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Ni based forged alloy, and turbine disc, turbine spacer and gas turbine each using the same

Ni based forged alloy, and turbine disc, turbine spacer and gas turbine each using the same

Date/App# patent app List of recent Nevi-related patents
12/11/14
20140363694
 Low density high strength steel and method for producing said steel patent thumbnailLow density high strength steel and method for producing said steel
A low density high strength steel sheet including 0.15% to 0.25% c, 2.5% to 4% mn, 0.02% or less p, 0.015% or less s, 6% to 9% al and 0.01% or less n, the balance being iron and inevitable impurities, wherein 1.7·(mn—al)+52.7·c is at least 3 and at most 4.5. A method of producing the low density and high strength steel sheet..
12/11/14
20140363328
 Ferritic stainless steel patent thumbnailFerritic stainless steel
Provided is ferritic stainless steel that realizes high corrosion resistance of a welded zone and that has high resistance to weld cracking. The ferritic stainless steel contains, by mass %, c: 0.001% to 0.030%, si: 0.03% to 0.80%, mn: 0.05% to 0.50%, p: 0.03% or less, s: 0.01% or less, cr: 19.0% to 28.0%, ni: 0.01% to less than 0.30%, mo: 0.2% to 3.0%, al: more than 0.15% to 1.2%, v: 0.02% to 0.50%, cu: less than 0.1%, ti: 0.05% to 0.50%, n: 0.001% to 0.030%, and nb: less than 0.05%.
12/11/14
20140363297
 Ni based forged alloy, and turbine disc, turbine spacer and gas turbine each using the same patent thumbnailNi based forged alloy, and turbine disc, turbine spacer and gas turbine each using the same
The ni based forged alloy has a composition containing, on the basis of mass percent, al: 0.5 to 1.0%, cr: 17 to 21%, fe: 17 to 19%, nb: 4.5 to 5.5%, ti: 0.8 to 1.3%, w: 3.0 to 6.0%, b: 0.001 to 0.03%, c: 0.001 to 0.015%, and mo: 1.0% or less, the balance being ni and inevitable impurities. The alloy includes carbide grains of the contained elements.
12/11/14
20140360869
 High-purity copper-chromium alloy sputtering target patent thumbnailHigh-purity copper-chromium alloy sputtering target
Provided is a high-purity copper-chromium alloy sputtering target comprising 0.1 to 10 wt % of cr and the remainder being cu and inevitable impurities, wherein when the number of precipitated cr grains in a 100 μm square area is counted at different five areas randomly selected on the surface of the target, the difference between the largest and the smallest numbers of counted precipitated cr grains is less than 40. The term “precipitated cr grains” refers to the grains each having a cr content of 70% or more and having a grain size of 1 to 20 μm.
12/11/14
20140360712
 Aluminum alloy material for heat exchanger fin, manufacturing method for same, and heat exchanger using the aluminum alloy material patent thumbnailAluminum alloy material for heat exchanger fin, manufacturing method for same, and heat exchanger using the aluminum alloy material
Disclosed is an aluminum alloy material for a heat exchanger fin, the aluminum alloy material containing si: 1.0% to 5.0% by mass, fe: 0.1% to 2.0% by mass, and mn: 0.1% to 2.0% by mass with balance being al and inevitable impurities, wherein 250 pieces/mm2 or more to 7×104 pieces/mm2 or less of si-based intermetallic compound particles having equivalent circle diameters of 0.5 to 5 μm are present in a cross-section of the aluminum alloy material; and wherein 10 pieces/mm2 or more and 1000 pieces/mm2 or less of the al—fe—mn—si-based intermetallic compounds having equivalent circle diameters of more than 5 μm are present in a cross-section of the aluminum alloy material. The aluminum alloy material may further contain one or more additive elements of mg, cu, zn, in, sn, ti, v, zr, cr, ni, be, sr, bi, na, and ca..
12/11/14
20140360634
 Hot rolled steel sheet for cold rolled steel sheet, hot rolled steel sheet for galvanized steel sheet, and method for producing the same patent thumbnailHot rolled steel sheet for cold rolled steel sheet, hot rolled steel sheet for galvanized steel sheet, and method for producing the same
A hot rolled steel sheet having a chemical composition containing, by mass %, c: 0.04% or more and 0.20% or less, si: 0.7% or more and 2.3% or less, mn: 0.8% or more and 2.8% or less, p: 0.1% or less, s: 0.01% or less, al: 0.1% or less, n: 0.008% or less, and the balance being fe and inevitable impurities. The microstructure of the hot rolled steel sheet includes ferrite and pearlites, in which the area ratio of the ferrite is 75% or more and less than 95%, the mean grain size of the ferrite is 5 μm or more and 25 μm or less, the area ratio of pearlite is 5% or more and less than 25%, the mean grain size of pearlite is 2.0 μm or more, and the mean free path of pearlite is 5 μm or more..
12/04/14
20140356647
 Aluminum alloy clad material for forming patent thumbnailAluminum alloy clad material for forming
The aluminum alloy clad material for forming of the present disclosure includes: an aluminum alloy core material containing mg: 0.2 to 1.5% (mass %, the same hereinafter), si: 0.2 to 2.5%, cu: 0.2 to 3.0%, and the remainder being al and inevitable impurities; an aluminum alloy surface material which is cladded on one side or both sides the core material, the thickness of the clad for one side being 3 to 30% of the total sheet thickness, and which has a composition including mg: 0.2 to 1.5%, si: 0.2 to 2.0%, cu being restricted to 0.1% or smaller, and the remainder being al and inevitable impurities; and an aluminum alloy insert material which is interposed between the core material and the surface material, and has a solidus temperature of 590° c. Or lower..
12/04/14
20140356224
 Copper alloy patent thumbnailCopper alloy
Provided is a copper alloy sheet excellent in strengths, electroconductivity, and bending workability. The copper alloy contains cr of 0.10% to 0.50%, ti of 0.010% to 0.30%, and si of 0.01% to 0.10%, where a ratio (in mass) of the cr content to the ti content is from 1.0 to 30, a ratio (in mass) of the cr content to the si content is from 3.0 to 30, with the remainder including copper and inevitable impurities.
12/04/14
20140356220
 Wear resistant austenitic steel having superior machinability and ductility, and method for producing same patent thumbnailWear resistant austenitic steel having superior machinability and ductility, and method for producing same
There are provided a wear resistant austenitic steel having superior machinability and toughness in weld heat affected zones and a method for producing the austenitic steel. The austenitic steel includes, by weight %, manganese (mn): 15% to 25%, carbon (c): 0.8% to 1.8%, copper (cu) satisfying 0.7c-0.56(%)≦cu≦5%, and the balance of iron (fe) and inevitable impurities, wherein the weld heat affected zones have a charpy impact value of 100 j or greater at −40° c.
12/04/14
20140356215
 Heat-resistant alloy and method of manufacturing the same patent thumbnailHeat-resistant alloy and method of manufacturing the same
A heat-resistant alloy of this invention includes a first phase, as a main component, containing a mo or w metal phase, a second phase containing a mo—si—b-based alloy, and a third phase containing titanium carbonitride, wherein the balance is inevitable compounds and inevitable impurities.. .
12/04/14
20140353546
Negative electrode active material for electric device
A negative electrode active material for an electric device includes an alloy containing, in terms of mass ratio, 35%≦si≦78%, 7%≦sn≦30%, 0%<ti≦37% and/or 35%≦si≦52%, 30%≦sn≦51%, 0%<ti≦35%, 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, tin and titanium as targets.
12/04/14
20140352851
Spheroidal graphite cast iron having excellent strength and toughness and its production method
A spheroidal graphite cast iron having (a) a composition comprising by mass 3.4-4% of c, 1.9-2.8% of si, 0.02-0.06% of mg, 0.2-1% of mn, 0.2-2% of cu, 0-0.1% of sn, 0.85-3% of (mn+cu+10×sn), 0.05% or less of p, and 0.02% or less of s, the balance being fe and inevitable impurities, and (b) a duplex matrix structure comprising by area 2-40% of fine ferrite phases and 60-98% of fine pearlite phases, the maximum length of the ferrite phases being 300 μm or less, and (c) the pearlite phases being formed around graphite particles dispersed in the duplex matrix structure.. .
12/04/14
20140352495
Sintered alloy superior in wear resistance
A sintered bearing has a structure in which ni—p alloy particles having an average diameter of 10 to 100 μm are dispersed in an amount of 1 to 20% by mass in a cu-based sintered alloy base, a fe—cu-based sintered alloy base or a cu—ni-based sintered alloy base. The ni—p alloy particles are derived from a raw material powder comprising 1 to 12% by mass of p; and a remainder composed of ni and inevitable impurities.
12/04/14
20140352350
Smarter cooler
The smarter cooler with its insert isolator design will provide cooling from four different large areas surrounding the food on all sides, as well as providing a cooler and better insulated bottom area of the cooler, and once the “ice” starts to melt and be stored in the “ice water reservoir” below the food and beverage storage area, an additional surface, five areas, not only has insulation qualities, but also cooling properties, to help keep food and beverages colder longer. The result will be a cooler that keeps the ice water isolated from the food and beverages in the cooler to prevent spoilage of the food, that inevitably drops into the melted ice water in any other cooler on the market.
11/27/14
20140346528
Vertical-channel type junction sic power fet and method of manufacturing same
In order to secure the performance of a sic-based jfet having an impurity diffusion rate lower than silicon-based one, a gate depth is secured while precisely controlling a distance between gate regions, instead of forming gate regions by ion implantation into the side wall of a trench. This means that a channel region defined by a gate distance and a gate depth should have a high aspect ratio.
11/27/14
20140345353
Centrifugally cast composite roll for hot rolling and its production method
A centrifugally cast composite roll for hot rolling comprising an outer layer having a composition comprising by mass 0.8-3.5% of c, 0.1-2.5% of si, 0.1-2.5% of mn, 1.2-15% of cr, 1-5% of ni, and 1-10% of mo+0.5×w, the balance being substantially fe and inevitable impurities, and an inner layer made of an iron-based alloy and integrally fused to the outer layer; the outer layer having shore hardness of 67-82 at the initial diameter of the composite roll; and the maximum shore hardness of the outer layer in a range 30 mm or more deep from the initial diameter being higher by 1 or more than the shore hardness of the outer layer at the initial diameter.. .
11/20/14
20140342183
High-strength hot-dip galvanized steel sheet and high-strength alloyed hot-dip galvanized steel sheet having excellent plating adhesion, formability, and hole expandability with tensile strength of 980 mpa or more and manufacturing method therefor
Provided is a high-strength hot-dip galvanized steel sheet having excellent plating adhesion, formability, and hole expandability with an ultimate tensile strength of 980 mpa or more, the hot-dip galvanized steel sheet comprising a hot-dip galvanized layer formed on a surface of a base steel sheet. The base steel sheet contains, by mass %, c: 0.05% to 0.4%; si: 0.01% to 3.0%; mn: 0.1% to 3.0%; al: 0.01 to 2.0%; in which si+al>0.5%, p: limited to 0.04% or less; s: limited to 0.05% or less; n: limited to 0.01% or less; and a balance including fe and inevitable impurities, a microstructure of the base steel sheet contains 40% or more by total volume fraction of martensite and bainite, 8% or more by volume fraction of residual austenite, and a balance of the microstructure being ferrite or ferrite and 10% or less by volume fraction of pearlite.
11/20/14
20140342150
Non-oriented electrical steel sheet
A non-oriented electrical steel sheet includes: c: 0.005 mass % or less; s: 0.003 mass % or less; n: 0.003 mass % or less; si: 2.0 mass % or more and less than 4.5 mass %; al: 0.15 mass % or more and less than 2.5 mass %; and cr: 0.3 mass % or more and less than 5.0 mass %; and a balance being composed of fe and inevitable impurities; and a cr-oxide-containing layer having a thickness of not less than 0.01 μm nor more than 0.5 μm on a surface side, in which when [si], [al], and [cr] are set to the si content, the al content, and the cr content (mass %) of the non-oriented electrical steel sheet respectively, and t is set to a sheet thickness (mm) of the non-oriented electrical steel sheet, 10 mass %≦2[si]+2[al]+[cr]<15 mass % and (2[al]+[cr])/2[si]−10t2≦0.35 are satisfied.. .
11/13/14
20140332123
High-strength steel sheet and method for producing the same
Provided are a high-strength steel sheet and a method for producing the same. A high-strength steel sheet has a composition containing 0.10% to 0.18% c, more than 0.5% to 1.5% si, 0.5% to 1.5% mn, 0.05% or less p, 0.005% or less s, and 0.05% or less al on a mass basis, the remainder being fe and inevitable impurities and also has a microstructure containing ferrite and pearlite.
11/13/14
20140332121
Magnesium alloy having high ductility and high toughness, and preparation method thereof
A magnesium alloy having high ductility and high toughness, and a preparation method thereof are provided, in which the magnesium alloy includes 1.0-3.5 wt % of tin, 0.05-3.0 wt % of zinc, and the balance of magnesium and inevitable impurities, and a preparation method thereof. Magnesium alloy with a relatively small tin content is added with zinc, and optionally, with one or more alloy elements selected from aluminum, manganese and rare earth metal, at a predetermined content ratio.
11/13/14
20140332119
High strength cold rolled steel sheet with high yield ratio and method for producing the same
A high strength cold rolled steel sheet has a chemical composition including, by mass %, c: 0.06 to 0.13%, si: 1.2 to 2.3%, mn: 0.6 to 1.6%, p: not more than 0.10%, s: not more than 0.010%, al: 0.01 to 0.10% and n: not more than 0.010%, the balance comprising fe and inevitable impurities. The steel sheet includes a microstructure containing not less than 90% in terms of volume fraction of ferrite with an average grain diameter of less than 20 μm and 1.0 to 10% in terms of volume fraction of pearlite with an average grain diameter of less than 5 μm.
10/30/14
20140322560
Build-up welding material and machinery part welded with weld overlay metal
Disclosed is a build-up welding material and a machinery part welded with a weld overlay metal. The build-up welding material contains c of 0.2 to 1.0 percent by mass, si of 0.2 to 0.5 percent by mass, mn of 0.5 to 2.0 percent by mass, cr of 15 to 30 percent by mass, mo of 0.2 to 6.0 percent by mass, and w of 0.1 to 1.5 percent by mass, with the remainder including fe and inevitable impurities..
10/30/14
20140322558
Aluminum alloy clad material for forming
An aluminum alloy clad material for forming includes: an aluminum alloy core material containing mg: 3.0 to 10% (mass %, the same hereinafter), and the remainder being al and inevitable impurities; an aluminum alloy surface material which is cladded on one side or both sides of the core material, the thickness of the clad for one side being 3 to 30% of the total sheet thickness, and which has a composition including mg: 0.4 to 5.0%, and the remainder being al and inevitable impurities; and an aluminum alloy insert material which is interposed between the core material and the surface material, and has a solidus temperature of 580° c. Or lower..
10/30/14
20140319660
Solid-state electronic device
A solid-state electronic device according to the present invention includes: an oxide layer (possibly containing inevitable impurities) that is formed by heating, in an atmosphere containing oxygen, a precursor layer obtained from a precursor solution as a start material including both a precursor containing bismuth (bi) and a precursor containing niobium (nb) as solutes, the oxide layer consisting of the bismuth (bi) and the niobium (nb); wherein the oxide layer is formed by heating at a heating temperature from 520° c. To 650° c..
10/30/14
20140319414
Negative electrode active material for electric device
A negative electrode active material for an electric device includes an alloy containing si in a range from 23% to 64% exclusive, sn in a range from 4% to 58% inclusive, zn in a range from 0% to 65% 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, tin and zinc as targets.
10/30/14
20140318827
Audio/video cable
An audio/video cable includes an insulated layer including a copper conductor for transmitting audio/video signals and an insulation layer formed on a periphery thereof. The copper conductor includes a soft dilute copper alloy material containing pure copper, ti as an additive element and an inevitable impurity as a balance.
10/23/14
20140315043
Sputtering target for forming protective film, and laminated wiring film
A sputtering target for forming protective film which is used to form a protective film on one surface or both surfaces of a cu wiring film contains ni: 5.0 to 15.0% by mass, mn: 2.0 to 10.0% by mass, zn: 30.0 to 50.0% by mass, al: 0.5 to 7.0% by mass, and a remainder composed of cu and inevitable impurities. A laminated wiring film is provided with a cu wiring film and the protective film formed on one surface or both surfaces of the cu wiring film, and the protective film is formed by the above-described sputtering target for forming protective film..
10/23/14
20140315015
Cubic boron nitride sintered body
A cubic boron nitride sintered body with excellent wear resistance and fracture resistance. The cubic boron nitride sintered body includes 85 to 95% by volume of cubic boron nitride, and 5 to 15% by volume of a binder phase and inevitable impurities.
10/23/14
20140314616
Hot-rolled steel sheet for high-strength galvanized steel sheet or high-strength galvannealed steel sheet and method for manufacturing the same (as amended)
Provided is a hot-rolled steel sheet having a composition containing 0.04 mass percent to 0.20 mass percent c, 0.7 mass percent to 2.3 mass percent si, 0.8 mass percent to 2.8 mass percent mn, 0.1 mass percent or less p, 0.01 mass percent or less s, 0.1 mass percent or less al, and 0.008 mass percent or less n, the remainder being fe and inevitable impurities. Internal oxides containing one or more selected from the group consisting of si, mn, and fe are present at grain boundaries and in grains in a base metal.
10/23/14
20140314612
R-t-b rare earth sintered magnet and method of manufacturing the same
A method of manufacturing an r-t-b rare earth sintered magnet includes a process of disposing and sintering a compact of a first alloy powder and an alloy material of a second alloy in a chamber of a sintering furnace. The first alloy consists of r which represents a rare earth element, t which represents a transition metal essentially containing fe, a metal element m which represents al and/or ga, b, cu, and inevitable impurities.
10/23/14
20140313303
Longitudinal dermoscopic study employing smartphone-based image registration
The evolution of a skin condition over time can be useful in its assessment. In an illustrative arrangement, a user captures skin images at different times, using a smartphone.
10/23/14
20140311631
High-strength steel sheet, hot-dipped steel sheet, and alloy hot-dipped steel sheet that have excellent fatigue, elongation, and collision characteristics, and manufacturing method for said steel sheets
This high-strength steel sheet includes: in terms of percent by mass, 0.03 to 0.10% of c; 0.01 to 1.5% of si; 1.0 to 2.5% of mn; 0.1% or less of p; 0.02% or less of s; 0.01 to 1.2% of al; 0.06 to 0.15% of ti; and 0.01% or less of n; and contains as the balance, iron and inevitable impurities, wherein a tensile strength is in a range of 590 mpa or more, and a ratio between the tensile strength and a yield strength is in a range of 0.80 or more, a microstructure includes bainite at an area ratio of 40% or more and the balance being either one or both of ferrite and martensite, a density of ti(c,n) precipitates having sizes of 10 nm or smaller is in a range of 1010 precipitates/mm3 or more, and a ratio (hvs/hvc) of a hardness (hvs) at a depth of 10 μm from a surface to a hardness (hvc) at a center of a sheet thickness is in a range of 0.85 or more.. .
10/16/14
20140310815
Systems, methods, and computer program products for adapting the security measures of a communication network based on feedback
An adaptable network security system includes trust mediator agents that are coupled to each network component. Trust mediator agents continuously detect changes in the security characteristics of the network and communicate the detected security characteristics to a trust mediator.
10/16/14
20140308541
Bonded body of aluminum alloy and copper alloy, and bonding method for same
A bonded body made of an aluminum alloy and a copper alloy and obtained by employing the aluminum alloy as one member to be bonded and the copper alloy as the other member to be bonded, the one bonded member and the other bonded member being bonded to each other through metallic connection, wherein the one bonded member is made of comprising an aluminum alloy containing cu: 3.0 mass % to 8.0 mass % and si: 0.1 mass % to 10 mass % with balance being al and unavoidable inevitable impurities, and satisfying the chemical formula: c+2.4×s≧7.8 where c (mass %) is a cu concentration and s (mass %) is a si composition concentration is satisfied, and the other bonded member comprises a copper alloy having a higher solidus temperature than the one bonded member. A bonding method for the bonded body is provided..
10/16/14
20140308156
Steel sheet for warm press forming, warm-pressed member, and manufacturing methods thereof
Provided are a steel sheet for warm press forming that can have high strength, good elongation, and thus improved crashworthiness after being warm pressed, and a warm-pressed member formed of the steel sheet, and manufacturing methods thereof. The steel sheet for warm press forming includes, by weight %, c: 0.01% to 0.5%, si: 3.0% or less (excluding 0%), mn: 3% to 15%, p: 0.0001% to 0.1%, s: 0.0001% to 0.03%, al: 3.0% or less (excluding 0%), n: 0.03% or less (excluding 0%), and the balance of fe and inevitable impurities..
10/16/14
20140308154
Ferritic stainless steel
The invention provides ferritic stainless steels exhibiting good weldability and excellent corrosion resistance even under such welding conditions that sensitization is induced. The ferritic stainless steel includes, by mass %, c: 0.001 to 0.030%, si: more than 0.3 to 0.55%, mn: 0.05 to 0.50%, p: not more than 0.05%, s: not more than 0.01%, cr: 19.0 to 28.0%, ni: 0.01 to less than 0.30%, mo: 0.2 to 3.0%, al: more than 0.08 to 1.2%, v: 0.02 to 0.50%, cu: less than 0.1%, nb: 0.005 to 0.50%, ti: 0.05 to 0.50%, and n: 0.001 to 0.030%, the balance being fe and inevitable impurities, the ferritic stainless steel satisfying equations (1) and (2)..
10/16/14
20140306389
Compression coil spring and method for producing same
A compression coil spring having high durability can be provided by using an inexpensive wire material. The present invention provides a compression coil spring formed by using a steel wire material, the steel wire material made of c: 0.45 to 0.85 mass %, si: 0.15 to 2.5 mass %, mn: 0.3 to 1.0 mass %, fe and inevitable impurities as a remainder, and a circle-equivalent diameter of 1.5 to 9.0 mm, wherein hardness of a freely selected cross-section of the wire material is 570 to 700 hv, and at an inner diameter side of the coil spring, unloaded compressive residual stress at a depth of 0.2 mm from a surface in an approximate maximal main stress direction in a case in which compressive load is loaded on the spring is 200 mpa or more, and unloaded compressive residual stress at a depth of 0.4 mm from surface is 100 mpa or more..
10/16/14
20140305731
Reducer and electric power steering apparatus having the same
Disclosed are a reducer and an electric power steering apparatus having the same. According to the present invention, an input shaft, a driving shaft, and a pinion shaft are coaxially arranged.
10/16/14
20140305553
High-strength cold-rolled steel sheet having small variations in strength and ductility and manufacturing method for the same
A high-strength cold-rolled steel sheet has a chemical composition including c of 0.05% to 0.30%, si of greater than 0% to 3.0%, mn of 0.1% to 5.0%, p of greater than 0% to 0.1%, s of greater than 0% to 0.02%, al of 0.01% to 1.0%, and n of greater than 0% to 0.01%, in mass percent, with the remainder including iron and inevitable impurities. The steel sheet has a microstructure containing ferrite as a soft primary phase in an area percentage of 20% to 50% with the remainder including tempered martensite and/or tempered bainite as a hard secondary phase.
10/09/14
20140302342
Copper wire and method of manufacturing the same
A copper wire includes a copper wire rod including 5 to 55 mass ppm of ti, 3 to 12 mass ppm of sulfur, and 2 to 30 mass ppm of oxygen with the balance copper and inevitable impurities, a first crystal including a [111] crystal orientation and at least one twin crystal therein, and a second crystal that includes one or more crystals adjacent to the first crystal, a [111] crystal orientation with a different rotation angle on an atomic plane from the first crystal, and at least one twin crystal therein.. .
10/02/14
20140295210
High strength hot rolled steel sheet and method for producing the same
(where ti and v are contents of the elements (by mass %)), the balance including fe and inevitable impurities, a matrix having a ferrite phase with an area ratio of 95% or more; and a structure where fine carbide is dispersedly precipitated in the matrix, the fine carbide containing ti and v has an average particle size of less than 10 nm, and a volume fraction of the fine carbide is 0.0020 or more, wherein the steel sheet has a tensile strength of 780 mpa or more.. .
10/02/14
20140294661
Ferritic stainless steel
The ferritic stainless steel has a chemical composition containing, by mass %, c: 0.003% or more and 0.012% or less, si: 0.30% or more and 0.60% or less, mn: 0.10% or more and 0.35% or less, p: 0.040% or less, s: 0.020% or less, cr: 17.0% or more and 19.0% or less, ni: more than 0.10% and 0.30% or less, ti: 0.10% or more and 0.40% or less, nb: 0.005% or more and less than 0.050%, mo: 0.20% or less, n: 0.005% or more and 0.015% or less, cu: 0.3% or more and 0.5% or less, mg: less than 0.0005%, and the balance being fe and inevitable impurities.. .
10/02/14
20140294658
Ferritic stainless steel
The chemical composition contains, by mass %, c: 0.020% or less, si: 3.0% or less, mn: 3.0% or less, p: 0.040% or less, s: 0.030% or less, cr: 10% to 25%, n: 0.020% or less, nb: 0.005% to 0.15%, al: less than 0.20%, ti: 5×(c %+n %) to 0.5%, mo: 0.1% or less, w: 0.1% or less, cu: 0.55% to 2.0%, b: 0.0002% to 0.0050%, ni: 0.05% to 1.0%, and the balance being fe and inevitable impurities, where c % and n % in the expression 5×(c %+n %) respectively represent the contents (mass %) of the chemical elements c and n.. .
10/02/14
20140294654
Iron-based sintered alloy for sliding member and production method therefor
An iron-based sintered alloy for sliding member, in which seizure resistance is improved, and a production method therefor, are provided. The iron-based sintered alloy for sliding member consists of, by mass %, 10 to 30% of cu, 0.2 to 2.0 % of c, 0.03 to 0.9 % of mn, 0.36 to 3.65% of s, and the balance of fe and inevitable impurities in the overall composition.
10/02/14
20140290810
High strength cold rolled steel sheet with excellent deep drawability and material uniformity in coil and method for manufacturing the same
A high strength cold rolled steel sheet includes a chemical composition containing, by mass %, c: 0.010% or more and 0.060% or less, si: more than 0.5% and 1.5% or less, mn: 1.0% or more and 3.0% or less, p: 0.005% or more and 0.100% or less, s: 0.010% or less, sol.al: 0.005% or more and 0.500% or less, n: 0.0100% or less, nb: 0.010% or more and 0.100% or less, ti: 0.015% or more and 0.150% or less and the balance comprising fe and inevitable impurities. The microstructure includes, in area fraction, 70% or more of a ferrite phase and 3% or more of a martensite phase.
10/02/14
20140290809
Aluminum alloy forged material for automobile and method for manufacturing the same
The aluminum alloy forged material for an automobile according to the present invention is composed of an aluminum alloy including si: 0.7-1.5 mass %, fe: 0.5 mass % or less, cu: 0.1-0.6 mass %, mg: 0.6-1.2 mass %, ti: 0.01-0.1 mass % and mn: 0.25-1.0 mass %, further including at least one element selected from cr: 0.1-0.4 mass % and zr: 0.01-0.2 mass %, restricting zn: 0.05 mass % or less, and a hydrogen amount: 0.25 ml/100 g-al or less, with the remainder being al and inevitable impurities, wherein the aluminum alloy forged material has an area ratio the <111> texture of 60% or more in a cross section parallel to the extrusion direction.. .
09/25/14
20140286812
Iron base sintered sliding member and method for producing same
An iron-based sintered sliding member is provided in which solid lubricating agent is dispersed uniformly inside of powder particles in addition to inside of pores and particle interfaces of the powder, the agent is strongly fixed, and sliding properties and mechanical strength are superior. The iron-based sintered sliding member contains s: 3.24 to 8.10 mass %, remainder: fe and inevitable impurities, as an overall composition; the metallic structure includes a ferrite base in which sulfide particles are dispersed, and pores; and the sulfide particles are dispersed at a ratio of 15 to 30 vol % versus the base..
09/18/14
20140271339
Copper alloy for electronic device, method for producing copper alloy for electronic device, and copper alloy rolled material for electronic device
One aspect of this copper alloy for an electronic device is composed of a binary alloy of cu and mg which includes mg at a content of 3.3 to 6.9 atomic %, with a remainder being cu and inevitable impurities, and a conductivity σ (% iacs) is within the following range when the content of mg is given as a atomic %, σ≦{1.7241/(−0.0347×a2+0.6569×a+1.7)}×100. Another aspect of this copper alloy is composed of a ternary alloy of cu, mg, and zn which includes mg at a content of 3.3 to 6.9 atomic % and zn at a content of 0.1 to 10 atomic %, with a remainder being cu and inevitable impurities, and a conductivity σ (% iacs) is within the following range when the content of mg is given as a atomic % and the content of zn is given as b atomic %, σ≦{1.7241/(x+y+1.7)}×100, x=−0.0347×a2+0.6569×a and y=−0.0041×b2+0.2503×b..
09/18/14
20140271335
Super elastic zirconium alloy for biological use, medical instrument and glasses
Provided is a super elastic alloy for biological use having a high biocompatibility, good processability and super elasticity, said super elastic alloy being a super elastic zirconium alloy for biological use comprising 27-54 mol % inclusive of titanium, 5-9 mol % inclusive of niobium which is a β phase-stabilizing element capable of stabilizing the β phase of zirconium, and 1-4 mol % inclusive in total of tin and/or aluminum which are ω phase-suppressing elements capable of suppressing the ω phase of zirconium, with the balance consisting of zirconium and inevitable impurities.. .
09/18/14
20140271320
Iron based sintered sliding member and method for producing same
An iron-based sintered sliding member is provided in which solid lubricating agent is dispersed uniformly inside of powder particles in addition to inside of pores and particle interfaces of the powder, the agent is strongly fixed, and sliding properties and mechanical strength are superior. The iron-based sintered sliding member contains s: 0.2 to 3.24 mass %, cu: 3 to 10 mass %, remainder: fe and inevitable impurities, as an overall composition; the metallic structure includes a base in which sulfide particles are dispersed, and pores; the base is a ferrite phase or a ferrite phase in which copper phase is dispersed; and the sulfide particles are dispersed at a ratio of 0.8 to 15.0 vol % versus the base..
09/18/14
20140271317
Biocompatible co-cr-mo alloy
The present invention is to provide a co—cr—mo alloy excellent in mechanical properties such as yield strength and tensile strength. The present invention is a biocompatible co—cr—mo alloy comprising, in mass %, more than 30% and not more than 36% of cr, 5 to 8% of mo, 0.20 to 0.65% of n, and the balance consisting of co and inevitable impurities, and produced by layered manufacturing.
09/18/14
20140259674
Brass alloys for use in turbocharger bearing applications
In accordance with an exemplary embodiment, a high-strength brass alloy includes, by mass %, about 1.3% to about 2.3% of aluminum (al), about 1.5% to about 3.0% of manganese (mn), about 1% maximum of iron (fe), about 1% maximum of nickel (ni), about 0.4% maximum of tin (sn), about 0.5% to about 2.0% of silicon (si), about 57% to about 60% of copper (cu), less than about 0.1% of lead (pb), and the balance of zinc (zn) and inevitable impurities, with the proviso that the ratio of si/mn is in the range of about 0.3 to about 0.7, and with the further proviso that the “zinc equivalent” content according to the following formula: zneq=zn+si*10−mn/2+al*5 is from about 51% to about 58%.. .
09/11/14
20140256584
Diagnosis of melanoma and solar lentigo by nucleic acid analysis
The present invention provides methods for diagnosing melanoma and/or solar lentigo in a subject by analyzing nucleic acid molecules obtained from the subject. The present invention also provides methods for distinguishing melanoma from solar lentigo and/or dysplastic nevi and/or normal pigmented skin.
09/11/14
20140255248
Copper alloy sheet and method for manufacturing copper alloy sheet
An aspect of the copper alloy sheet contains 5.0 mass % to 12.0 mass % of zn, 1.1 mass % to 2.5 mass % of sn, 0.01 mass % to 0.09 mass % of p and 0.6 mass % to 1.5 mass % of ni with a remainder of cu and inevitable impurities, and satisfies a relationship of 20≦[zn]+7×[sn]+15×[p]+4.5×[ni]≦32. The aspect of the copper alloy sheet is manufactured using a manufacturing process including a cold finishing rolling process in which a copper alloy material is cold-rolled, the average crystal grain diameter of the copper alloy material is 1.2 μm to 5.0 μm, round or oval precipitates are present in the copper alloy material, the average grain diameter of the precipitates is 4.0 nm to 25.0 nm or a proportion of precipitates having a grain diameter of 4.0 nm to 25.0 nm in the precipitates is 70% or more..
09/11/14
20140251513
High-strength hot rolled steel sheet with excellent bendability and low-temperature toughness, and method for manufacturing the same
A high-strength hot rolled steel sheet with excellent bendability and low-temperature toughness includes a chemical composition including, in mass %, c: 0.08 to 0.25%, si: 0.01 to 1.0%, mn: 0.8 to 2.1%, p: not more than 0.025%, s: not more than 0.005% and al: 0.005 to 0.10%, the balance including fe and inevitable impurities, and a microstructure having a bainite phase and/or a tempered martensite phase as a main phase, the average grain diameter of prior austenite grains being not more than 20 μm as measured with respect to a cross section parallel to a rolling direction and not more than 15 μm as measured with respect to a cross section perpendicular to the rolling direction.. .
09/11/14
20140251510
Cam ring of vane pump and method of manufacturing cam ring
A cam ring of a vane pump and a method of manufacturing a cam ring are provided. The cam ring may be formed of a material including approximately 3.0% to 3.5% of carbon (c), approximately 2.0% to 2.5% of silicon (si), approximately 0.5% to 1.0% of manganese (mn), approximately 0.5% to 1.0% of chromium (cr), approximately 0.2% to 0.5% of copper (cu), approximately 0.1% to 0.3% of phosphor (p), approximately 0.02% to 0.06% of boron (b), approximately 0.06% to 0.1% of sulfur (s), and approximately 0.043% or more of titanium (ti) by weight ratio, and iron (fe) and any inevitable impurity for the remainder, and may have a tempered martensite matrix including a carbide..
09/11/14
20140251488
Hot-forged copper alloy part
A hot-forged copper alloy part which has a tubular shape, in which an alloy composition contains 59.0 mass % to 84.0 mass % of cu and 0.003 mass % to 0.3 mass % of pb with a remainder of zn and inevitable impurities, a content of cu [cu] mass % and a content of pb [pb] mass % have a relationship of 59≦([cu]+0.5×[pb])≦64, a shape of the forged part satisfies a formula of 0.4≦(average inner diameter)/(average outer diameter)≦0.92, 0.04≦(average thickness)/(average outer diameter)≦0.3, and 1≦(tube axis direction length)/(average thickness))≦10, a forging material which is to be hot-forged has a tubular shape and satisfies 0.3≦(average inner diameter/average outer diameter)≦0.88, 0.06≦(average thickness)/(average outer diameter)≦0.35, and 0.8≦(tube axis direction length)/(average thickness))≦12, and 0%≦(degree of uneven thickness)≦30%, 0≦(degree of uneven thickness)≦75×1/((tube axis direction length)/(average thickness))1/2 in any location in a tube axis direction.. .
09/04/14
20140248511
Centrifugally cast composite roll and its production method
A centrifugally cast composite roll comprising an outer layer made of cast iron having a chemical composition comprising, by mass, 2.7-3.5% of c, 1.5-2.5% of si, 0.4-1.0% of mn, 3.7-5.1% of ni, 0.8-2.2% of cr, 1.5-4.5% of mo, 2.0-4.5% of v, and 0.5-2.0% of nb, the balance being fe and inevitable impurities, a mass ratio of nb/v being 0.18-0.65, and a mass ratio of mo/v being 0.7-2.5, and a structure comprising, by area, 15-45% of a cementite phase and 1-10% of a graphite phase, and an inner layer made of cast iron having excellent mechanical strength and metallurgically bonded to the outer layer; a usable region of the outer layer as deep as 10 mm or more from the surface containing substantially no speck-like-segregated dendrites of bainite and/or martensite having diameters of 1.5 mm or more.. .
09/04/14
20140248175
Leadless free-cutting copper alloy and method for producing the same
Disclosed is a leadless free-cutting copper alloy that exhibits superior machinability, cold workability and dezincification resistance and a method for producing the same. The leadless free-cutting copper alloy comprises 56 to 77% by weight of copper (cu), 0.1 to 3.0% by weight of manganese (mn), 1.5 to 3.5% by weight of silicon (si), and the balance of zinc (zn) and other inevitable impurities, thus exhibiting superior eco-friendliness, machinability, cold workability and dezincification resistance..
08/28/14
20140242415
High-strength hot-dip galvanized steel sheet and high-strength alloyed hot-dip galvanized steel sheet having excellent formability and small material anisotropy with ultimate tensile strength of 980 mpa or more and manufacturing method therefor
Provided is a high-strength hot-dip galvanized steel sheet having small material anisotropy and excellent formability with an ultimate tensile strength of 980 mpa or more. The hot-dip galvanized steel sheet includes a hot-dip galvanized layer formed on a surface of a base steel plate.
08/28/14
20140241932
Alloy for golf club heads
An alloy for golf club heads includes 3.0-5.5 wt % of silicon, 8.0-10.5 wt % of manganese, 14.5-17.0 wt % of chromium, 3.5-6.0 wt % of nickel, the rest being iron and inevitable impurities.. .
08/28/14
20140241931
Ferritic stainless steel
Provided is a ferritic stainless steel excellent in terms of thermal fatigue resistance, high-temperature fatigue resistance and oxidation resistance without adding mo or w, which is an expensive chemical element and with controlling nb content to be as small as possible. The chemical composition contains, by mass %, c: 0.020% or less, si: 3.0% or less, mn: 3.0% or less, p: 0.040% or less, s: 0.030% or less, cr: 10% to 25%, n: 0.020% or less, nb: 0.005% to 0.15%, al: 0.20% to 3.0%, ti: 5×(c %+n %) to 0.5%, mo: 0.1% or less, w: 0.1% or less, cu: 0.55% to 2.0%, b: 0.0002% to 0.0050%, ni: 0.05% to 1.0%, and the balance being fe and inevitable impurities, where c % and n % in the expression 5×(c %+n %) respectively represent the contents (mass %) of the chemical elements c and n..
08/28/14
20140241829
Steel wire for bolt, bolt, and manufacturing processes therefor
A steel wire for high-strength bolts is used for a non heat-treatment bolt with an excellent cold forgeability for which quenching and tempering steps have been omitted after bolt formation, and which has a tensile strength of 1200 mpa or more and an excellent delayed fracture resistance. The steel wire includes c, si, mn, p, s, cr, al, n, and b, at least one selected from the group consisting of ti, v, and nb with the balance consisting of iron and inevitable impurities.
08/21/14
20140236506
Method for detecting power theft in a power distribution system
A method detects power theft in a branch of a distribution system by distinguishing between technical losses that are inevitable during the course of normal operation of the system, and non-technical losses that can be attributed to power theft. The method assumes a specific circuit corresponding to that branch, collects data for energy consumed and currents at regular intervals by means of a smart or traditional power meter, estimates the likely resistances of the lines connecting the consumption points to the distribution transformed by means of least squares regression, and uses the estimated resistances to predict technical losses in future time intervals.
08/21/14
20140234161
High thermal conductivity al-mg-fe-si alloy for die casting
Disclosed is an aluminum alloy for die casting which comprises 1.0 weight % to 2.0 weight % of magnesium (mg), 0.5 weight % to 1.6 weight % of iron (fe), and 0.5 weight % to 0.9 weight % of silicon (si), with the remainder being aluminum (al) and inevitable impurities.. .
08/21/14
20140234159
High thermal conductivity al-si-fe-zn alloy for die casting
Disclosed is high thermal conductivity al—si—fe—zn alloy for die casting which comprises 1.0 weight % to 2.0 weight % of silicon (si), 0.5 weight % to 1.6 weight % of iron (fe), 0.6 weight % to 1.6 weight % of zinc (zn), with the remainder being aluminum (al) and inevitable impurities.. .
08/21/14
20140230971
High strength steel sheet having excellent formability and method for manufacturing the same
A method for manufacturing the high strength steel sheet having excellent formability includes hot-rolling a steel slab having a chemical composition containing, by mass %, c: 0.03% or more and 0.35% or less, si: 0.5% or more and 3.0% or less, mn: 3.5% or more and 10.0% or less, p: 0.1% or less, s: 0.01% or less, n: 0.008% or less and the balance comprising fe and inevitable impurities, coiling the hot-rolled steel sheet at a temperature range of the ar1 transformation point to the ar1 transformation point+(the ar3 transformation point−the ar1 transformation point)/2, cooling the coiled steel sheet down to 200° c. Or lower, heating and holding the cooled steel sheet at a temperature range of the ac1 transformation point−200° c.
08/14/14
20140227557
Sputtering target for forming protective film and laminated wiring film
A sputtering target for forming protective film according to the invention is used to form protective film on one surface or both surfaces of a cu wiring film, and includes 8.0 to 11.0% by mass of al, 3.0 to 5.0% by mass of fe, 0.5 to 2.0% by mass of ni and 0.5 to 2.0% by mass of mn with a remainder of cu and inevitable impurities. In addition, a laminated wiring film includes a cu wiring film and protective film formed on one surface or both surfaces of the cu wiring film, and the protective film is formed by using the above sputtering target..
08/14/14
20140227556
High-strength hot-dip galvanized steel sheet and process for producing the same
A high-strength hot-dip galvanized steel sheet containing a main component, the steel sheet having at least 40 wt. % of ferrite as a main phase in terms of the volumetric ratio, and 8-60% inclusive of residual austenite, the remaining structure comprising one or more of bainite, martensite, or pearlite.
08/14/14
20140227553
Preparation method of steel product having different strengths using laser heat treatment, and heat hardened steel used therein
Disclosed are a preparation method of a steel product capable of local reinforcement using laser heat treatment, and a heat hardened steel used in the method. According to the present invention, the preparation method of a steel part comprises the following steps: (a) preparing a material comprising 0.1-0.5 wt % of c, 0.1-0.5 wt % of si, 0.5-3.0 wt % of mn, 0.1 wt % or less of p, 0.05 wt % or less of s, 0.01-1.0 wt % of cr, 0.1 wt % or less of al, 0.2 wt % or less of ti, 0.0005-0.08 wt % of b, and the balance of fe and inevitable impurities; (b) preparing a formed product by forming the material into a predetermined shape; and (c) locally reinforcing the high strength portion by carrying out laser heat treatment on a portion requiring high strength at the formed product..
08/14/14
20140227130
Aluminum alloy and process for producing aluminum alloy extrusions
An aluminum alloy has a composition consisting of si: 0.03 to 0.6 mass %, fe: 0.1 to 0.7 mass %, cu: 0.05 to 0.20 mass %, mn: 1.0 to 1.5 mass %, mg: 0.01 to 0.1 mass %, zn: 0 to 0.1 mass %, ti: 0 to 0.1 mass %, and the balance being al and inevitable impurities.. .
08/14/14
20140227128
Copper alloy with high strength and high electrical conductivity
This copper alloy with high strength and high electrical conductivity includes: mg: more than 1.0% by mass to less than 4% by mass; and sn: more than 0.1% by mass to less than 5% by mass, with a remainder including cu and inevitable impurities, wherein a mass ratio mg/sn of a content of mg to a content of sn is in a range of 0.4 or more. This copper alloy with high strength and high electrical conductivity may further include ni: more than 0.1% by mass to less than 7% by mass..
08/14/14
20140227124
Iron-based alloy for powder injection molding
A ferrous alloy for powder injection molding is provided. The ferrous alloy for powder injection molding includes iron (fe) at 52.59-78.15 wt %, chromium (cr) at 16.45-37.34 wt %, boron (b) at 3.42-7.76 wt %, silicon (si) at 1.64-1.92 wt %, sulfur (s) at 0-0.21 wt %, carbon (c) at 0.16-0.18 wt %, and other inevitable impurities..


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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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