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Date/App# patent app List of recent Nevi-related patents
04/17/14
20140105753
 Precipitation hardening martensitic stainless steel and long blade for steam turbine using the same patent thumbnailnew patent Precipitation hardening martensitic stainless steel and long blade for steam turbine using the same
A precipitation hardening martensitic stainless steel is provided with excellent mechanical property and corrosion resistance and contains, by mass, 0.1% or less of c; 0.1% or less of n; 10.0%˜15.0% of cr; 10.0%˜15.0% of ni; 0.5%˜2.5% of mo; 1.0%˜3.0% of al; 1.0% or less of si; 1.0% or less of mn, and the rest is fe and inevitable impurities. A steam turbine long blade is made of the precipitation hardening martensitic stainless steel..
04/10/14
20140099229
 Negative electrode active material for electric device patent thumbnailNegative electrode active material for electric device
A negative electrode active material for an electric device includes an alloy containing si in a range of greater than or equal to 27% by mass and less than 100% by mass, sn in a range of greater than 0% by mass and less than or equal to 73% by mass, v in a range of greater than 0% by mass and less than or equal to 73% by mass, and inevitable impurities as a residue. The negative electrode active material can be obtained with, for example, a multi dc magnetron sputtering apparatus by use of si, sn, and v as targets.
04/10/14
20140098965
 Method for measuring electroacoustic parameters of transducer patent thumbnailMethod for measuring electroacoustic parameters of transducer
A method discloses measuring electroacoustic parameters of transducer. With known voice-coil displacement, voice-coil current, transducer impedance and its stimulus signal as inputs, the five calculation procedures of direct problem, adjoint problem, sensitivity problem, conjugate gradient method, and constraint equations are involved in inversely solving electroacoustic parameters.
04/10/14
20140097084
 High-purity copper-manganese-alloy sputtering target patent thumbnailHigh-purity copper-manganese-alloy sputtering target
Provided is a high-purity copper-manganese-alloy sputtering target comprising 0.05 to 20 wt % of mn and the remainder being cu and inevitable impurities. The high-purity copper-manganese-alloy sputtering target is characterized in that the in-plane variation (cv value) in mn concentration of the target is 3% or less.
04/10/14
20140096875
 Abrasion resistant steel plate or steel sheet excellent in resistance to stress corrosion cracking and method for manufacturing the same patent thumbnailAbrasion resistant steel plate or steel sheet excellent in resistance to stress corrosion cracking and method for manufacturing the same
An abrasion resistant steel plate or steel sheet suitable for use in construction machines, industrial machines, and the like and a method for manufacturing the same. In particular, a steel plate or steel sheet has a composition containing 0.20% to 0.30% c, 0.05% to 1.0% si, 0.40% to 1.20% mn, p, s, 0.1% or less al, 0.01% or less n, and 0.0003% to 0.0030% b on a mass basis, the composition further containing one or more of cr, mo, and w, the composition further containing one or more of nb, ti, cu, ni, v, an rem, ca, and mg as required, the remainder being fe and inevitable impurities.
04/03/14
20140090755
 Abrasion resistant steel plate or steel sheet excellent in resistance to stress corrosion cracking and method for manufacturing the same patent thumbnailAbrasion resistant steel plate or steel sheet excellent in resistance to stress corrosion cracking and method for manufacturing the same
Provided is an abrasion resistant steel plate or steel sheet, suitable for use in construction machines, industrial machines, and the like, and a method for manufacturing the same. A steel plate or steel sheet has a composition containing 0.20% to 0.27% c, 0.05% to 1.0% si, 0.30% to 0.90% mn, p, s, 0.005% to 0.025% nb, 0.008% to 0.020% ti, 0.1% or less al, and 0.0010% to 0.0060% n on a mass % basis, the composition further containing one or more of cr, mo, w, and b, the composition containing one or more of cu, ni, v, an rem, ca, and mg as required, the remainder being fe and inevitable impurities.
03/27/14
20140087606
 Copper alloy for electronic/electric device, copper alloy thin plate for electronic/electric device, method of producing copper alloy for electronic/electric device, conductive component for electronic/electric device and terminal patent thumbnailCopper alloy for electronic/electric device, copper alloy thin plate for electronic/electric device, method of producing copper alloy for electronic/electric device, conductive component for electronic/electric device and terminal
What is provided is a copper alloy for electronic/electric device comprising: in mass %, more than 2% and 36.5% or less of zn; 0.1% or more and 0.9% or less of sn; 0.05% or more and less than 1.0% of ni; 0.001% or more and less than 0.10% of fe; 0.005% or more and 0.10% or less of p; and the balance cu and inevitable impurities, wherein a content ratio of fe to ni, fe/ni satisfies 0.002≦fe/ni<1.5, a content ratio of a sum of ni and fe, (ni+fe), to p satisfies 3<(ni+fe)/p<15, a content ratio of sn to a sum of ni and fe, (ni+fe) satisfies 0.3<sn/(ni+fe)<5, an average crystal grain diameter of α phase containing cu, zn, and sn is in a range of 0.1 to 50 μm, and the copper alloy includes a precipitate containing p and one or more elements selected from fe and ni.. .
03/27/14
20140086788
 Negative electrode active material for electric device, negative electrode for electric device and electric device patent thumbnailNegative electrode active material for electric device, negative electrode for electric device and electric device
A negative electrode active material for an electric device includes an alloy containing si in a range from greater than or equal to 17% by mass to less than 90% by mass, ti in a range from 10% by mass to 83% by mass exclusive, ge in a range from 0% by mass to 73% by mass exclusive, and inevitable impurities as a residue. The negative electrode active material can be obtained with a multi dc magnetron sputtering apparatus by use of, for example, si, ti and ge as targets.
03/27/14
20140083574
 Heat-hardened steel with excellent crashworthiness and method for manufacturing heat-hardenable parts using same patent thumbnailHeat-hardened steel with excellent crashworthiness and method for manufacturing heat-hardenable parts using same
Disclosed are heat-hardened steel with excellent crashworthiness and a method for manufacturing heat-hardenable parts using the same. The heat-hardened steel according to the invention comprises, based on wt %; c: 0.12-0.8%; cr: 0.01-2%; mo: 0.2% or less; b: 0.0005-0.08%; ca: 0.01 or less; sb: 1.0% or less; and ti and/or nb: 0.2%; and the reminder being fe and inevitable impurities.
03/13/14
20140072471
 Non-oriented electrical steel sheet patent thumbnailNon-oriented electrical steel sheet
A non-oriented electrical steel sheet, containing: c: 0.01 mass % or less; si: 1.0 mass % or more and 3.5 mass % or less; al: 0.1 mass % or more and 3.0 mass % or less; mn: 0.1 mass % or more and 2.0 mass % or less; p: 0.1 mass % or less; s: 0.005 mass % or less; ti: 0.001 mass % or more and 0.01 mass % or less; n: 0.005 mass % or less; and y: more than 0.05 mass % and 0.2 mass % or less, with the balance being iron and inevitable impurities.. .
03/13/14
20140071557
Pixellated display devices
A method of producing a plurality of pixellated display devices, each device including a first component comprising an array of independently controllable pixel electrodes; and a second component comprising an array of pixel filters comprising at least two different types of pixel filters of differing optical transmission characteristics, each pixel filter being associated with a respective one of said pixel electrodes; wherein the method comprises: producing said first component by a production method that inevitably results in some distortion within the array of pixel electrodes causing up to a maximum degree of variation in pixel electrode pitch between different regions of said array of pixel electrodes; applying said second component to said first component by a technique that can result in up to a maximum degree of misalignment between an alignment reference position on the first component and an alignment reference position on the second component; and configuring said array of pixel filters as an array of pixel filters in a neutral framework, said neutral framework defining a separation distance between each pixel filter that is sufficiently large to prevent any pixel filter of the array of pixel filters overlapping with more than one of said pixel electrodes even with said maximum variation in pixel electrode pitch between different regions of said array of pixel electrodes and with said maximum degree of misalignment between said alignment reference position on the first component and said alignment reference position on the second component.. .
03/06/14
20140065441
Co-si based copper alloy plate
A co—si based copper alloy plate, comprising: co: 0.5 to 3.0% by mass, si: 0.1 to 1.0% by mass and the balance cu with inevitable impurities, wherein the co—si based copper alloy plate satisfies the relationship {(60 degree specular gloss g(rd) in a rolling direction)−(60 degree specular gloss g(td) in a direction transverse to rolling direction)}≧90%.. .
03/06/14
20140064982
Ni base alloy and gas turbine blade and gas turbine utilizing the same
An ni base alloy uses gtd-111 as a base to improve high-temperature strength while maintaining the weldability and corrosion resistance and a gas turbine blade utilizes the ni base alloy. The ni base alloy contains al of 2.5 to 3.5%, co of 1.5 to 5.5%, cr of 11.8 to 13.8%, mo of 0.4 to 1.4%, ta of 3.0 to 5.0%, ti of 5.1 to 6.1%, w of 3.3 to 4.3%, b of 0.01 to 0.02%, c of 0.08 to 0.12% in mass % and remainder containing ni and inevitable impurities and does not substantially contain nb..
03/06/14
20140064981
Ni base forged alloy and gas turbine utilizing the same
An ni base forged alloy is easy to make hot forging and miniaturization of crystal grains while excellent high-temperature strength and segregation property are compatible. The ni base forged alloy has solid solution temperature of a precipitation strengthening phase lower than or equal to 970° c., difference in the solid solution temperature between a δ-phase and the precipitation strength phase larger than or equal to 50° c., al of 0.5 to 1.0%, cr of 17 to 21%, fe of 17 to 19%, nb of 4.5 to 5.5%, ti of 0.8 to 1.3%, w of 3.0 to 6.0%, b of 0.001 to 0.03%, c of 0.001 to 0.1% and mo of 1.0% or less in mass percentage [%] and remainder made of ni and inevitable impurities..
02/20/14
20140050941
High strength steel sheet having excellent formability and stability of mechanical properties and method for manufacturing the same
A high strength steel sheet including, by mass, c: 0.03% or more and 0.25% or less, si: 0.4% or more and 2.5% or less, mn: 3.5% or more and 10.0% or less, p: 0.1% or less, s: 0.01% or less, al: 0.01% or more and 2.5% or less, n: 0.008% or less, si+al: 1.0% or more, the balance being fe and inevitable impurities. The area ratio of ferrite is 30% or more and 80% or less, the area ratio of martensite is 0% or more and 17% or less, the volume fraction of retained austenite is 8% or more, and the average grain size of retained austenite is 2 μm or less..
02/13/14
20140044989
High-strength cold-rolled steel sheet having excellent uniform elongation and hole expandability and manufacturing method thereof
This high-strength cold-rolled steel sheet having excellent uniform elongation and hole expandability contains, c: 0.01 to 0.4%; si: 0.001 to 2.5%; mn: 0.001 to 4.0%; p: 0.001 to 0.15%; s: 0.0005 to 0.03%; al: 0.001 to 2.0%; n: 0.0005 to 0.01%; and o: 0.0005 to 0.01%; in which si+al is limited to less than 1.0%, and a balance being composed of iron and inevitable impurities, in which at a sheet thickness center portion, an average value of pole densities of the {100}<011> to {223}<110> orientation group is 5.0 or less, and a pole density of the {332}<113> crystal orientation is 4.0 or less, a metal structure contains 5 to 80% of ferrite, 5 to 80% of bainite, and 1% or less of martensite in terms of an area ratio and the total of martensite, pearlite, and retained austenite is 5% or less, and an r value (rc) in a direction perpendicular to a rolling direction is 0.70 or more and an r value (r30) in a direction 30° from the rolling direction is 1.10 or less.. .
02/13/14
20140044673
Classifying skin lesions using mass spectrometry proteomic approach
The present invention provides for a mass spectrometry proteomic approach to distinguishing spitz nevi from spitzoid malignant melanoma. Histology directed mass spectral profiling allows for targeted analysis of sites of melanocytic lesion within formalin-fixed, paraffin embedded excisional biopsies.
02/13/14
20140041767
Hot-rolled flat steel product produced from a complex phase steel and method for the production thereof
A hot-rolled flat steel product having a tensile strength of at least 1100 mpa, good elongation properties, and good deformation properties. The flat steel product is produced from a complex phase steel, which contains, in addition to iron and inevitable impurities (in % by weight), c: 0.13-0.2%, mn: 1.8-2.5%, si: 0.70-1.3%, al: 0.01 to 0.1%, p: up to 0.1%, s: up to 0.01%, cr: 0.25-0.70%, optionally mo, the total of the cr and mo contents being 0.25-0.7%, ti: 0.08-0.2%, b: 0.0005-0.005%, and a structure which consists of at the most 10% by volume of residual austenite, 10-60% by volume of martensite, at the most 30% by volume of ferrite and at least 10% by volume of bainite.
02/13/14
20140041760
Pb-free solder paste
The solder paste formed by mixing a solder alloy and a flux, the solder alloy consisting of, based on the total mass of the solder alloy as 100 mass %: 0.4 to 13.5 mass % of zn, at least one of 0.01 to 2.0 mass % of cu or 0.03 to 0.7 mass % of al, and a balance being bi except for inevitable impurities.. .
02/06/14
20140038815
Noble metal-oxide combined nanoparticle, and, method of producing the same with high purity
A method of producing a composite nanoparticle (m-axoy), having: generating, in an inert gas, an alloy (a-m) nanoparticle, which contains 0.1 at. % to 30 at.
02/06/14
20140034195
Steel sheet for can with high barrel-part buckling strength under external pressure and with excellent formability and excellent surface properties after forming, and process for producing same
A steel sheet containing c: 0.0005% or more and 0.0035% or less, si: 0.05% or less, mn: 0.1% or more and 0.6% or less, p: 0.02% or less, s: less than 0.02%, al: 0.01% or more and less than 0.10%, n: 0.0030% or less, b: 0.0010% or more, in which the relationship b/n≦3.0 is satisfied and the balance being fe and inevitable impurities, and a microstructure in which the average integrated intensity f in the (111)[1-10] to (111)[-1-12] orientations on a plane parallel to a sheet surface at a position located at ¼ of the thickness of the steel sheet is 7.0 or more, in which an average ferrite grain size is 6.0 μm or more and 10.0 μm or less, and the relationships eave≧215 gpa, e0≧210 gpa, e45≧210 gpa, e90≧210 gpa, and −0.4≦Δr≦0.4 are satisfied.. .
01/30/14
20140030546
High-strength cold-rolled steel sheet having excellent local deformability and manufacturing method thereof
This high-strength cold-rolled steel sheet contains, in mass %, c: 0.02% to 0.20%; si: 0.001% to 2.5%; mn: 0.01% to 4.0%; p: 0.001% to 0.15%; s: 0.0005% to 0.03%; al: 0.001% to 2.0%; n: 0.0005% to 0.01%; and o: 0.0005% to 0.01%; in which si+al is limited to less than 1.0%, and a balance being composed of iron and inevitable impurities, in which an area ratio of bainite in a metal structure is 95% or more, at a sheet thickness center portion being a range of ⅝ to ⅜ in sheet thickness from the surface of the steel sheet, an average value of pole densities of the {100}<011> to {223}<110> orientation group is 4.0 or less, and a pole density of the {332}<113> crystal orientation is 5.0 or less, and a mean volume diameter of crystal grains in the metal structure is 7 μm or less.. .
01/23/14
20140023551
Process for setting the thermal conductivity of a steel, tool steel, in particular hot-work steel, and steel object
A tool steel, in particular a hot-work steel, has the following composition: 0.26 to 0.55% by weight c; less than 2% by weight cr; 0 to 10% by weight mo; 0 to 15% by weight w; wherein the w and mo contents in total amount to 1.8 to 15% by weight; carbide-forming elements ti, zr, hf, nb, ta forming a content of from 0 to 3% by weight individually or in total; 0 to 4% by weight v; 0 to 6% by weight co; 0 to 1.6% by weight si; 0 to 2% by weight mn; 0 to 2.99% by weight ni; 0 to 1% by weight s; remainder: iron and inevitable impurities. The hot-work steel has a significantly higher thermal conductivity than known tool steels..
01/23/14
20140021418
Bi-substituted rare earth iron garnet single crystal, method for producing same, and optical device
A bi-substituted rare earth iron garnet single crystal has a composition of r3-xbixfe5-wawo12 (wherein r denotes one or more rare earth elements among tb, y, eu, gd, ho, yb, lu, nd, tm, la, sm, dy, er, ce, and pr and inevitably include tb; a denotes one or more elements among ga, al, in, sc, co, ni, cr, v, ti, si, ge, mg, zn, nb, ta, sn, zr, hf, pt, rh, te, os, ce, and lu, 0.7<x≦1.5, and 0<w≦1.5), contains pt and does not contain pb, and additionally contains mn or at least one group 2 element, wherein the coefficient α is set at a value within a numerical range of 0.91±0.05 and Δ (which means [m]−(α×[pt])) is set from −7.23 atppm to 1.64 atppm.. .
01/16/14
20140014240
Cu-si-co-based copper alloy for electronic materials and method for producing the same
A cu—si—co-based alloy having an enhanced spring limit is provided. The copper alloy comprises 0.5-2.5 mass % of co, 0.1-0.7 mass % of si, the balance cu and inevitable impurities, wherein, from a result obtained from measurement of an x ray diffraction pole figure, using a rolled surface as a reference plane, a peak height at β angle of 90° among diffraction peaks in {111} cu plane with respect to {200} cu plane by β scanning at α=35° is at least 2.5 times that of a standard copper powder..
01/09/14
20140011696
Bap1 mutational analysis in determining susceptibility to, prognosis of, and treatment of melanocytic neoplasia
Methods and compositions for diagnosing and prognosing neoplasms, particularly malignant melanomas, and for identifying patients at high risk for melanocytic nevi and/or melanomas or other cancers are provided. Methods for distinguishing between nevi at high and low risk for malignant transformation and for characterizing or classifying lesions or nevi are also disclosed.
01/09/14
20140007990
Steel sheet for aerosol can bottom having high pressure resistance and excellent workability and method for producing same
A steel sheet containing c: 0.02% or more and 0.10% or less, si: 0.01% or more and 0.5% or less, p: 0.001% or more and 0.100% or less, s: 0.001% or more and 0.020% or less, n: 0.007% or more and 0.025% or less, al: 0.01% or more and {−4.2×n (%)+0.11} % or less, mnf: 0.10% or more and less than 0.30% where mnf is defined by equation mnf=mn−1.71×s, and the balance being fe and inevitable impurities, in which the steel sheet has a thickness of 0.35 (mm) or less, the product of the lower yield point (n/mm2) of the steel sheet and the thickness (mm) is 160 (n/mm) or less, and the product of the upper yield point (n/mm2) of the steel sheet is 52.0 (n) or more.. .
01/02/14
20140001401
Negative electrode active material for electric device, negative electrode for electric device and electric device
A negative electrode active material for an electric device includes an alloy containing silicon in a range from 27% by mass to 100% by mass exclusive, aluminum in a range from 0% by mass to 73% by mass exclusive, niobium in a range from 0% by mass to 58% by mass exclusive, and inevitable impurities as a residue. The negative electrode active material can be obtained with a multi dc magnetron sputtering apparatus by use of, for example, silicon, aluminum and niobium as targets.
01/02/14
20140000932
Soft dilute-copper alloy wire, soft dilute-copper alloy twisted wire, and insulated wire, coaxial cable, and composite cable using these
Provided are a soft dilute-copper alloy wire and soft dilute-copper alloy twisted wire which have high electrical conductivity and high bending life and can limit disconnection during use compared with oxygen-free copper wire, and also provided are an insulated wire, coaxial cable, and composite cable using the soft dilute-copper alloy wire and soft dilute-copper alloy twisted wire. The soft dilute-copper alloy wire is subjected to annealing treatment by elongation processing of soft dilute-copper alloy material comprising copper and an additive element selected from the group consisting of ti, mg, zr, nb, ca, v, ni, hf, fe, mn and cr, with inevitable impurities as the balance, wherein the soft dilute-copper alloy wire has an average grain size that is 20 μm or less in a surface layer having a depth of 50 μm from the surface, and an elongation value that is at least 1% higher than the average elongation value of oxygen-free copper wire that has been subjected to the aforementioned annealing treatment..
12/26/13
20130341560
Negative electrode active material for electric device
A negative electrode active material for an electric device includes an alloy containing silicon in a range from 25% to 54% exclusive, carbon in a range from 1% to 47% exclusive, zinc in a range from 13% to 69% exclusive in terms of mass ratio, and inevitable impurities as a residue. For example, the negative electrode active material can be obtained with a multi dc magnetron sputtering apparatus by use of silicon, carbon and zinc as targets.
12/19/13
20130333436
Method for manufacturing warm pressed-formed members
The invention provides methods for manufacturing warm press-formed members which can ensure post-coating corrosion resistance. A method for manufacturing warm press-formed members includes heating a steel sheet to a temperature in the range from 200 to 800° c.
12/12/13
20130331198
Golf swing training device
A training device used by a golfer to visually analyze their body position during their golf swing. The device generally includes a base with a first indicator, and a front plate with a second indicator.
12/12/13
20130330227
Copper-zinc alloy for a valve guide
A novel copper-zinc alloy is particularly suited for a valve guide. The copper-zinc alloy is formed of 59 to 73% copper, 3.1 to 8.3% manganese, 2 to 6% aluminum, 0.5 to 2% silicon, 0.2 to 1.2% iron, and the remainder zinc and inevitable impurities..
12/12/13
20130327452
High strength steel sheet and method for manufacturing the same
The invention provides a high strength steel sheet which exhibits excellent chemical convertibility and corrosion resistance after electrodeposition coating even in the case where the steel sheet has a high si content, and a method for manufacturing such steel sheets. The method includes continuous annealing of a steel sheet which includes, in terms of mass %, c at 0.01 to 0.18%, si at 0.4 to 2.0%, mn at 1.0 to 3.0%, al at 0.001 to 1.0%, p at 0.005 to 0.060% and s at ≦0.01%, the balance being represented by fe and inevitable impurities, while controlling the dew-point temperature of the atmosphere to become not less than −10° c.
12/05/13
20130326073
Distributed synchronous batch reconfiguration of a network
A novel alternative concept for handling dynamic provisioning changes and ongoing network reconfiguration and incremental reoptimization in general. A prime motivation is concern about the dependency of existing concepts for dynamic provisioning on the real-time coherence of databases of network state at diverse geographic locations.
12/05/13
20130319581
Pressure resistant and corrosion resistant copper alloy, brazed structure, and method of manufacturing brazed structure
A pressure resistant and corrosion resistant copper alloy contains 73.0 mass % to 79.5 mass % of cu and 2.5 mass % to 4.0 mass % of si with a remainder composed of zn and inevitable impurities, in which the content of cu [cu] mass % and the content of si [si] mass % have a relationship of 62.0≦[cu]−3.6×[si]≦67.5. In addition, the area fraction of the α phase “α”%, the area fraction of a β phase “β”%, the area fraction of a γ phase “γ”%, the area fraction of the κ phase “κ”%, and the area fraction of a μ phase “μ”% satisfy 30≦“α”≦84, 15≦“κ”≦68, “α”+“κ”≧92, 0.2≦“κ”/“α”≦2, “β”≦3, “μ”≦5, “β”+“μ”≦6, 0≦“γ”≦7, and 0≦“β”+“μ”+“γ”≦8.
11/28/13
20130316262
Ferritic stainless steel excellent in corrosion resistance and conductivity and method for manufacturing the same, separator of proton-exchange membrane fuel cell and proton-exchange membrane fuel cell
A ferritic stainless steel excellent in corrosion resistance and conductivity and a method for manufacturing the same, the stainless steel having a chemical composition containing, by mass %, c: 0.001% or more and 0.05% or less, si: 0.001% or more and 0.5% or less, mn: 0.001% or more and 1.0% or less, al: 0.001% or more and 0.5% or less, n: 0.001% or more and 0.05% or less, cr; 17% or more and 23% or less, mo: 0.1% or less and the balance being fe and inevitable impurities and a passivation film on the surface of the stainless steel which is obtained by immersing the stainless steel in a solution for an immersion treatment, said solution mainly contains hydrofluoric acid or a liquid mixture of hydrofluoric acid and nitric acid.. .
11/28/13
20130315660
Pressure resistant and corrosion resistant copper alloy, brazed structure, and method of manufacturing brazed structure
A pressure resistant and corrosion resistant copper alloy contains 73.0 mass % to 79.5 mass % of cu and 2.5 mass % to 4.0 mass % of si with a remainder composed of zn and inevitable impurities, in which the content of cu [cu] mass % and the content of si [si] mass % have a relationship of 62.0≦[cu]−3.6×[si]≦67.5. In addition, the area fraction of the α phase “α”%, the area fraction of a β phase “β”%, the area fraction of a γ phase “γ”%, the area fraction of the κ phase “κ”%, and the area fraction of a μ phase “μ”% satisfy 30≦“α”≦84, 15≦“κ”≦68, “α”+“κ”≧92, 0.2≦“κ”/“α”≦2, “β”≦3, “μ”≦5, “β”+“μ”≦6, 0≦“γ”≦7, and 0≦“β”+“μ”+“γ”≦8.
11/21/13
20130309468
Cbn sintered body tool and coated cbn sintered body tool
A cbn sintered body tool has a cbn sintered body which includes 40 to 85% by volume of cbn, the remainder being a binder phase including at least one selected from at least one metal selected from ti, zr, hf, v, nb, ta, cr, mo, w, co, ni and al, and at least one of a carbide, a nitride, a carbonitride, a boride and an oxide of these metals and mutual solid solutions thereof, and inevitable impurities. An amount of a mo element contained in the cbn sintered body is 0.2 to 3.0% by weight based on a whole amount of the cbn sintered body..
11/21/13
20130306203
High strength steel sheet and method for manufacturing the same
The invention provides a high strength steel sheet which exhibits excellent chemical convertibility and corrosion resistance after electrodeposition coating even in the case where the steel sheet has a high si content, and a method for manufacturing such steel sheets. The method includes continuous annealing of a steel sheet which includes, in terms of mass %, c at 0.01 to 0.18%, si at 0.4 to 2.0%, mn at 1.0 to 3.0%, al at 0.001 to 1.0%, p at 0.005 to 0.060% and s at ≦0.01%, the balance being represented by fe and inevitable impurities, while controlling the dew-point temperature of the atmosphere to become not more than −40° c.
11/14/13
20130304184
Nickel-free stainless steel stent
A nickel-free stainless steel stent using a stainless steel which does not substantially contain ni in the stainless steel, has a metal allergy onset-preventing effect, and is excellent in terms of precision workability, strength, and ductility, is provided. The nickel-free stainless steel stent is characterized by using a stainless steel containing, as a chemical composition, from 15 to 30% by mass of cr, from 0.97 to 2% by mass of mo, and from 0.5 to 1% by mass of n, with the remainder being fe, and optionally containing inevitable impurities..
11/07/13
20130295409
Austenitic, lightweight, high-strength steel sheet having high yield ratio and ductility, and method for producing the same
Provided is an austenitic, lightweight, high-strength steel sheet having a high yield ratio and ductility and a method for producing the same, and more particularly, to a high-strength steel sheet for automotive interior panels, exterior panels, and structural parts, and a method for producing the steel sheet. The steel sheet may be a hot-rolled steel sheet, a cold-rolled steel sheet, or a plated steel sheet.
11/07/13
20130295402
Steel sheet for formed member having enhanced ductility, formed member, and method for manufacturing the formed member
Provided is a steel sheet for a formed member having enhanced ductility, a formed member, and a method for manufacturing the formed member, and more particularly, to a steel sheet for making a formed member having high strength and ductility such as an automotive structural member and a reinforcing member, a formed member, and a method for manufacturing the formed member. The steel sheet for a formed member has enhanced ductility, and includes, by weight %, c: 0.1% to 1.0%, si+al: 0.4% to 3.0%, mn: 0.1% to 5.0%, p: 0.0001% to 0.1%, s: 0.0001% to 0.03%, n: 0.03% or less (but not 0%), and the balance of fe and inevitable impurities.
11/07/13
20130292006
Grain-oriented electrical steel sheet and manufacturing method thereof
A grain-oriented electrical steel sheet being a grain-oriented electrical steel sheet containing si of 0.8 mass % to 7 mass %, mn of 0.05 mass % to 1 mass %, b of 0.0005 mass % to 0.0080 mass %, each content of al, c, n, s, and se of 0.005 mass % or less, and a balance being composed of fe and inevitable impurities and having a glass coating film made of composite oxide mainly composed of forsterite on the steel sheet surface, in which when glow discharge optical emission spectrometry (gds) to the surface of a secondary coating film formed on the surface of the glass coating film under a predetermined condition is performed, a peak, of b, in emission intensity having a peak position in emission intensity different from a peak position, of mg, in emission intensity is obtained and the peak position, of b, in emission intensity from the steel sheet surface is deeper than the peak position, of mg, in emission intensity.. .
10/31/13
20130288838
Steel for belt-type cvt pulley and belt-type cvt pulley
A steel for a belt-type cvt pulley made of chromium steel or chromium molybdenum steel according to the present invention has a component composition that satisfies predetermined formulae regarding the mass % of mn, ni, cr, mo, si, nb and ti. In addition, the steel for a belt-type cvt pulley contains, in terms of mass %, as essentially added elements, 0.15% to 0.25% of c, 0.40% to 1.00% of mn, more than 1.80% and 2.20% or less of cr, 0.005% to 0.030% of n, and 0.010% to 0.060% of al, and as arbitrarily added elements, 0.20% or less of si, 0.03% or less of p, 0.05% or less of s, 0.3% or less of cu, 0.3% or less of ni, and 0.2% or less of mo, with the remainder being fe and inevitable impurities..
10/31/13
20130288074
Alloying element-saving hot rolled duplex stainless steel material, clad steel plate having duplex stainless steel as cladding material therefor, and production method for same
This alloying element-saving hot rolled duplex stainless steel material contains, by mass %, c: 0.03% or less, si: 0.05% to 1.0%, mn: 0.5% to 7.0%, p: 0.05% or less, s: 0.010% or less, ni: 0.1% to 5.0%, cr: 18.0% to 25.0%, n: 0.05% to 0.30% and al: 0.001% to 0.05%, with a remainder being fe and inevitable impurities, wherein the alloying element-saving hot rolled duplex stainless steel material is produced by hot rolling, a chromium nitride precipitation temperature tn is in a range of 960° c. Or lower, a yield strength is 50 mpa or more higher than that of a hot rolled steel material which is subjected to a solution heat treatment, and the alloying element-saving hot rolled duplex stainless steel material is as hot rolled state, and is not subjected to a solution heat treatment.
10/24/13
20130280552
Aluminum coated steel sheet having excellent oxidation resistance and heat resistance
Provided is an aluminum coated steel sheet having excellent oxidation and heat resistance. The aluminum coated steel sheet includes an aluminum coating layer and an alloy layer.
10/17/13
20130272914
Steel wire material and method for manufacturing same
The steel wire material of the present invention contains 0.05 to 1.2% of c (mass %; same for the chemical components hereafter), 0.01 to 0.5% of si, 0.1 to 1.5% of mn, 0.02% or less (but not 0%) of p, 0.02% or less (but not 0%) of s, and 0.005% or less (but not 0%) of n, with the balance being iron and inevitable impurities. The wire material has a scale layer that is no thicker than 7.0 μm or less.
10/17/13
20130272912
Ferritic stainless steel excellent in oxidation resistance
An object is to provide a ferritic stainless steel having excellent oxidation resistance, while preventing a deterioration in formability, without adding expensive chemical elements such as mo and w. Specifically, the ferritic stainless steel excellent in oxidation resistance having a chemical composition containing, by mass%, c: 0.015% or less, si: 0.40% or more and 1.00% or less, mn: 1.00% or less, p: 0.040% or less, s: 0.010% or less, cr: 12.0% or more and 23.0% or less, n: 0.015% or less, nb: 0.30% or more and 0.65% or less, ti: 0.150% or less, mo: 0.10% or less, w: 0.10% or less, cu: less than 1.00%, al: 0.20% or more and 1.00% or less, while the relationship si≧al is satisfied, and the balance being fe and inevitable impurities..
10/10/13
20130266821
High-strength galvanized steel sheet with high yield ratio having excellent ductility and stretch flange formability and method for manufacturing the same
A high-strength galvanized steel sheet with high yield ratio having excellent ductility and stretch flange formability, the steel sheet having a chemical composition containing, by mass %, c: 0.04% or more and 0.13% or less, si: 0.9% or more and 2.3% or less, mn: 0.8% or more and 2.4% or less, p: 0.1% or less, s: 0.01% or less, al: 0.01% or more and 0.1% or less, n: 0.008% or less, and the balance being fe and inevitable impurities and a microstructure including, in terms of area ratio, 94% or more of a ferrite phase and 2% or less of a martensite ferrite phase, wherein mean grain size of ferrite is 10 μm or less, vickers hardness of ferrite is 140 or more, mean grain size of carbide particles existing at grain boundaries of ferrite is 0.5 μm or less, and aspect ratio of carbide particles existing at the grain boundaries of ferrite is 2.0 or less.. .
10/10/13
20130263981
Method of producing non-oriented electrical steel sheet
A non-oriented electrical steel sheet having a high magnetic flux density in a rolling direction of the steel sheet is produced by hot rolling a raw steel material including c: not more than 0.03 mass %, si: not more than 4 mass %, mn: 0.03˜3 mass %, al: not more than 3 mass %, s: not more than 0.005 mass %, n: not more than 0.005 mass % and the balance being fe and inevitable impurities, and then cold rolling and finishing annealing to produce a non-oriented electrical steel sheet, characterized in that a crystal grain size before the cold rolling is rendered into not more than 100 μm and the finishing annealing is conducted by rapidly heating up to a temperature exceeding recrystallization temperature at an average temperature rising rate of not less than 100° c./sec.. .
10/10/13
20130263979
Ferritic stainless steel for use as conduit members for emission of automotive exhaust gas
A ferritic stainless steel useful as conduit members for emission of automotive exhaust gas consists of c up to 0.03 mass %, si up to 1.0 mass %, mn up to 1.5 mass %, ni up to 0.6 mass %, 10-20 mass % of cr, nb up to 0.50 mass %, 0.8-2.0 mass % of cu, al up to 0.03 mass %, 0.03-0.20 mass % of v, n up to 0.03 mass % and the balance being fe except inevitable impurities with a provision that at least 90% of cu contained is dissolved in a steel matrix and that nb□8(c+n). The steel may further contain 0.05-0.30 mass % of ti and/or 0.0005-0.02 mass % of b.
10/10/13
20130263975
Wire rod, steel wire, and manufacturing method thereof
The present invention provides a wire rod with a composition at least including: c: 0.95-1.30 mass %; si: 0.1-1.5 mass %; mn: 0.1-1.0 mass %; al: 0-0.1 mass %; ti: 0-0.1 mass %; p: 0-0.02 mass %; s: 0-0.02 mass %; n: 10-50 ppm; o: 10-40 ppm; and a balance including fe and inevitable impurities, wherein 97% or more of an area in a cross-section perpendicular to the longitudinal direction of the wire rod is occupied by a pearlite, and 0.5% or less of an area in a central area in the cross-section and 0.5% or less of an area in a first surface layer area in the cross-section are occupied by a pro-eutectoid cementite.. .
10/03/13
20130259733
Sintered alloy for valve seat and manufacturing method of exhaust valve seat using the same
A sintered alloy for a valve seat may be manufactured using a method including: mixing mns with an alloy powder for a valve seat including c at 0.8-1.2 wt %, ni at 2.0-4.5 wt %, cr at 3.0-5.0 wt %, mo at 16.0-20.0 wt %, co at 9.0-13.0 wt %, v at 0.05-0.15 wt %, s at 0.2-0.8 wt %, fe, and additional inevitable impurities; making a first shape by forming the mixed materials; pre-sintering the first formed shape; making a secondary shape by re-pressing the first pre-sintered shape; main-sintering the secondary shape; and tempering the main-sintered secondary shape.. .
10/03/13
20130255842
Aluminum alloy forged material for automotive vehicles and production method for the material
An aluminum alloy forged material for automotive vehicles comprises 0.6˜1.2 mass % of mg, 0.7˜1.5 mass % of si, 0.1.˜0.5 mass % of fe, 0.01˜0.1 mass % of ti, 0.3˜1.0 mass % of mn, at least one of 0.1˜0.4 mass % of cr and 0.05˜0.2 mass % of zr, a restricted amount of cu that is less than or equal to 0.1 mass %, a restricted amount of zn that is less than or equal to 0.05 mass %, a restricted amount of h that is less than or equal to 0.25 ml in 100 g al and a remainder of al and inevitably contained impurities, and the material includes precipitated crystalline particles among which the largest one has a maximum equivalent circle diameter equal to or less than 8 μm and an area ratio of the precipitated crystalline particles is equal to or less than 3.6%.. .
10/03/13
20130255839
Aluminium-copper-lithium products
The present invention relates to extruded, rolled and/or forged products. Also provided are methods of making such products based on aluminum alloy wherein a liquid metal bath is prepared comprising 2.0 to 3.5% by weight of cu, 1.4 to 1.8% by weight of li, 0.1 to 0.5% by weight of ag, 0.1 to 1.0% by weight of mg, 0.05 to 0.18% by weight of zr, 0.2 to 0.6% by weight of mn and at least one element selected from cr, sc, hf and ti, the quantity of said element selected, being 0.05 to 0.3% by weight for cr and for sc, 0.05 to 0.5% by weight for hf and 0.01 to 0.15% by weight for ti, the remainder being aluminum and inevitable impurities.
10/03/13
20130255442
Ni-based alloy for welding material and welding wire, rod and power
A ni-based alloy for a welding material including, by mass, 0.001 to 0.1% of c, 18 to 25% of co, 16 to 20% of cr, 2.5 to 3.5% of al, 9.0 to 15.0% of mo+w, 0.001 to 0.03% of b and the balance being ni and inevitable impurities.. .
09/26/13
20130252017
Steel sheet for hot pressing and method for manufacturing hot-pressed member using the same
A steel sheet for hot pressing that is capable of suppressing formation of scales or zno in hot pressing and excellent in oxidation resistance, and a method for manufacturing a hot-pressed member using the steel sheet are provided. The steel sheet for hot pressing includes a base steel sheet and a plating layer that is formed on a surface of the base steel sheet at a coating weight of 10 to 90 g/m2 and contains 10 to 25% by mass of ni and the balance zn with inevitable impurities..
09/26/13
20130251587
Pb-free solder alloy mainly containing zn
The pb-free solder alloy mainly containing zn consists of: 1.0 to 9.0 mass %, preferably 3.0 to 7.0 mass % of al, 0.002 to 0.800 mass %, preferably 0.005 to 0.500 mass % of p, and a balance being zn except for inevitable impurities incorporated during a manufacturing stage. The pb-free solder alloy may include at least one of 0.3 to 4.0 mass % of mg or 0.3 to 3.0 mass % of ge..
09/26/13
20130251585
Sintered alloy and production method therefor
A sintered alloy has an overall composition consisting of, by mass %, 13.05 to 29.62% of cr, 6.09 to 23.70% of ni, 0.44 to 2.96% of si, 0.2 to 1.0% of p, 0.6 to 3.0% of c, and the balance of fe and inevitable impurities; a metallic structure in which carbides are precipitated and uniformly dispersed in an iron alloy matrix having dispersed pores; and a density of 6.8 to 7.4 mg/m3. The carbides include specific carbides having maximum diameter of 1 to 10 μm and area ratio of 90% or more with respect to the total carbides..
09/26/13
20130248060
Strain aging hardening type steel sheet excellent in aging resistance, and manufacturing method thereof
A strain aging hardening type steel sheet excellent in aging resistance, and manufacturing method thereof, said steel sheet comprises: in mass %, c: 0.0010 to 0.010%; si: 0.005 to 1.0%; mn: 0.08 to 1.0%; p: 0.003 to 0.10%; s: 0.0005 to 0.020%; al: 0.010 to 0.10%; cr: 0.005 to 0.20%; mo: 0.005 to 0.20%; ti: 0.002 to 0.10%; nb: 0.002 to 0.10%; n: 0.001 to 0.005%; and a balance being composed of fe and inevitable impurities, in which a ferrite fraction is 98% or more, an average grain diameter of ferrite is 5 to 30 μm, a minimum value of dislocation density in a portion having a ½ thickness of a sheet thickness and a minimum value of dislocation density in a surface layer portion are each 5×1012/m2 or more, and an average dislocation density falls within a range of 5×1012 to 1×1015/m2.. .
09/19/13
20130244056
High strength galvanized steel sheet having excellent formability and method for manufacturing the same
A high strength galvanized steel sheet having excellent formability, includes a steel sheet which is a base sheet and a galvanized layer on a surface of the steel sheet, wherein the steel sheet is a high strength steel sheet which has a composition including, by mass %, 0.08 to 0.15% of c, 0.5 to 1.5% of si, 0.5 to 1.5% of mn, 0.1% or less of p, 0.01% or less of s, 0.01 to 0.1% of al, 0.005% or less of n, and the balance fe with inevitable impurities, and a microstructure composed of 75 to 90% of a ferrite phase as a main phase and 10 to 25% of a second phase including at least pearlite in terms of an area fraction with respect to the entire microstructure; an average grain size of the pearlite is 5 μm or smaller; and the pearlite has an area fraction of 70% or greater with respect to the total area of the second phase.. .
09/19/13
20130243639
Tool steel for extrusion
The present invention relates to a steel for extrusion tools characterized for lower cost and tempering resistance higher than that of conventional steel h13, whose chemical composition, in percentage by mass, comprises the following: carbon between 0.40 and 0.60, silicon below 1.0, phosphorus below 0.030; chromium between 2.5 and 4.5; molybdenum between 0.5 and 0.7, considering that molybdenum can be replaced by tungsten in a ratio=2w/1mo; vanadium between 0.10 and 1.0; manganese below 1.0; the remainder consisting essentially of fe and inevitable deleterious substances. As an option to provide high hardness after nitriding, the al content of the steel of the present invention can be ≦1.0; for high toughness purposes, however, this al content should be kept below 0.10..
09/12/13
20130237445
Methods and kits for detecting melanoma
This invention is directed to a method for detecting melanoma in a tissue sample by measuring a level of methylation of one or more regulatory elements differentially methylated in melanoma and benign nevi. The invention provides methods for detecting melanoma, related kits, and methods of screening for compounds to prevent or treat melanoma..
08/29/13
20130224063
Steel plate for pipeline, having excellent hydrogen induced crack resistance, and preparation method thereof
Disclosed are a steel plate for a line pipe having excellent hydrogen induced crack resistance with a tensile strength of 450 mpa or more, and a preparation method thereof. According to the present invention, the steel plate for a line pipe, having excellent hydrogen induced crack resistance comprises: 0.03-0.05 wt % of carbon (c); 0.2-0.3 wt % of silicon (si); 0.5-1.3 wt % of manganese (mn); 0.010 wt % or less of phosphorus (p); 0.005 wt % or less of sulfur (s); 0.02-0.05 wt % of aluminum (al); 0.2-0.5 wt % of nickel (ni); 0.2-0.3 wt % of chromium (cr); 0.03-0.05 wt % of niobium (nb); 0.02-0.05 wt % of vanadium (v); 0.01-0.02 wt % of titanium (ti); 0.001-0.004 wt % of calcium (ca); and a balance of iron (fe) and inevitable impurities, and has a tensile strength of 450 mpa or more..
08/29/13
20130224033
Steam turbine rotor
There is provided a steam turbine rotor with high reliability and corresponding to increase in length of a high strength steel blade, in which only a low-pressure last stage is highly strengthened. The steam turbine rotor includes a steam turbine low-pressure last stage long blade made of a precipitation hardening type martensitic stainless steel containing, in mass, 0.1% or less of c, 0.1% or less of n, 9.0% to 14.0% inclusive of cr, 9.0% to 14.0% inclusive of ni, 0.5% to 2.5% inclusive of mo, 0.5% or less of si, 1.0% or less of mn, 0.25% to 1.75% inclusive of ti, 0.25% to 1.75% inclusive of al, and the balance consisting of fe and inevitable impurities, and a disk having a specific alloy composition is joined to a last stage section of the turbine rotor made of a low-alloy steel..
08/29/13
20130223774
Cu-based oil-impregnated sintered bearing
There is provided a cu-based oil-impregnated sintered bearing which can be used for high-load applications such as an abs system and a wiper motor system in automobile, can be manufactured at low cost, and is excellent in abrasion resistance and seizure resistance. The bearing contains 5 to 40% by mass of ni, 3 to 15% by mass of sn, 0.5 to 4.0% by mass of p, or further 0.3 to 5.0% by mass of a solid lubricant, and a remainder comprising cu and inevitable impurities, and has a metallic structure in which a phase mainly composed of ni and p is dispersed in a matrix, and has a 5 to 25% porosity..
08/29/13
20130220490
Steel sheet and method for manufacturing steel sheet
The present invention provides a steel sheet with chemical components including, by mass%, 0.18-0.35% of c, 1.0%-3.0% of mn, 0.01%-1.0% of si, 0.001%-0.02% of p, 0.0005%-0.01% of s, 0.001%-0.01% of n, 0.01%-1.0% of al, 0.005%-0.2% of ti, 0.0002%-0.005% of b, and 0.002%-2.0% of cr, and the balance of fe and inevitable impurities, wherein: by volume%, a fraction of the ferrite is 50% or more, and a fraction of a non-recrystallized ferrite is 30% or less; and crθ/crm is 2 or less, where crθ is a concentration of cr subjected to solid solution in iron carbide and crm is a concentration of cr subjected to solid solution in a base material, or mn0/mnm is 10 or less, where mn0 is a concentration of mn subjected to solid solution in an iron carbide, and mnm is a concentration of mn subjected to solid solution in a base material.. .
08/22/13
20130216423
High carbon steel wire rod having excellent drawability
This high carbon steel wire rod, which has excellent drawability in addition to high strength required for a wire rod, contains 0.6-1.5% of c, 0.1-1.5% of si, 0.1-1.5% of mn, 0.02% or less of p (excluding 0%), 0.02% or less of s (excluding 0%), 0.03-0.12% of ti, 0.001-0.01% of b and 0.001-0.005% of n, with solid-solved b being 0.0002% or more, solid-solved n being 0.0010% or less, and the balance being made up of iron and inevitable impurities. In addition, the content of ti solid-solved in the steel is 0.002% by mass or more, and the content of ti that formed carbides is 0.020% by mass or more..
08/22/13
20130213528
Magnesium-alloy member, compressor for use in air conditioner, and method for manufacturing magnesium-alloy member
A magnesium alloy member capable of achieving a mechanical strength and a high-temperature fatigue strength sufficient for a compressor for in automotive air conditioners the magnesium alloy member is formed by subjecting a cast material of a magnesium alloy containing, on the basis of mass %, from 0.3% to 10% calcium (ca), from 0.2% to 15% aluminum (al), and from 0.05% to 1.5% manganese (mn), and containing calcium (ca) and aluminum (al) at a calcium/aluminum mass ratio of from 0.6 to 1.7, with the balance being magnesium (mg) and inevitable impurities to plastic working (extrusion processing) at from 250° c. To 500° c.
08/22/13
20130213527
High-strength transmission gear and method of manufacturing the same
Disclosed herein is a high-strength transmission gear, manufactured by gas-nitriding a nitriding steel having a composition including iron (fe) as a main component, 0.25˜0.40 wt % of carbon (c), 0.50˜1.0 wt % of manganese (mn), 2.0˜3.0 wt % of chromium (cr), 0.3˜1.0 wt % of molybdenum (mo), 0.2˜0.7 wt % of copper (cu), 0.03˜0.1 wt % of niobium (nb), 0.03˜0.1 wt % of aluminum (al), 0.05˜0.15 wt % of vanadium (v), 0.001˜0.005 wt % of boron (b) and other inevitable impurities. More specifically, while gas-nitriding of the nitriding steel, the temperature is increased in steps, and the ratio of nitrogen gas in the nitriding steel is decreased in steps..
08/22/13
20130213199
Method of cutting steel for machine structural use
In the method of cutting steel for machine structural use, steel for machine structural use, in which chemical components contain, by mass %, 0.01% to 1.2% of c, 0.005% to 3.0% of si, 0.05% to 3.0% of mn, 0.001% to 0.2% of p, 0.001% to 0.35% of s, 0.002% to 0.035% of n and 0.05% to 1.0% of al, in a case in which [al%] and [n%] represent the mass % of al and n in the steel respectively, [al%]−(27/14)×[n%]≧0.05% is satisfied, is the other elements are included as necessary, and a balance consisting of fe and inevitable impurities, is used, and a cutting process is carried out on the steel for machine structural use using water-insoluble cutting oil in which the amount of dissolved oxygen is 4 volume % to 16 volume %.. .


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Nevi topics: Ferritic Stainless Steel, Molybdenum, Automotive, Metallic Compound, Phosphorus, Longitudinal Direction, Exhaust Gas, Electrical Steel, Aspect Ratio, Crystallin, Dislocation, Overall Composition

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