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Date/App# patent app List of recent Nevi-related patents
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 patent thumbnailnew patent 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 patent thumbnailnew patent 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 patent thumbnailnew patent 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 patent thumbnailnew patent 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 patent thumbnailMethod 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 patent thumbnailHigh 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 patent thumbnailHigh 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 patent thumbnailHigh 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 patent thumbnailSputtering 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 patent thumbnailHigh-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..
08/07/14
20140219907
Single-crystal diamond and manufacturing method thereof
Single-crystal diamond is composed of carbon in which a concentration of a carbon isotope 12c is not lower than 99.9 mass % and a plurality of inevitable impurities other than carbon. The inevitable impurities include nitrogen, boron, hydrogen, and nickel, and a total content of nitrogen, boron, and hydrogen of the plurality of inevitable impurities is not higher than 0.01 mass %.
08/07/14
20140219856
Duplex stainless steel
The invention relates a duplex ferritic austenitic stainless steel having high formability utilizing the trip effect and high corrosion resistance with the balanced pitting resistance equivalent. The duplex stainless steel contains less than 0.04 weight % carbon, less than 0.7 weight % silicon, less than 2.5 weight % manganese, 18.5-22.5 weight % chromium, 0.8-4.5 weight % nickel, 0.6-1.4 weight % molybdenum, less than 1 weight % copper, 0.10-0.24 weight % nitrogen, the rest being iron and inevitable impurities occurring in stainless steels..
08/07/14
20140216612
Steel, for hot forming or quenching in a tool, having improved ductility
The invention relates to a steel part, the composition of the steel of which comprises, the contents being expressed by weight: 0.040%≦c≦0.100%; 0.80%≦mn≦2.00%; si≦0.30%; s≦0.005%; p≦0.030%; 0.010%≦al≦0.070%; 0.015%≦nb≦0.100%; 0.030%≦ti≦0.080%; n≦0.009%; cu≦0.100%; ni≦0.100%; cr≦0.100%; mo≦0.100%; and ca≦0.006%, the balance of the composition consisting of iron and inevitable impurities resulting from the smelting, the microstructure of the steel consisting of at least 75% equiaxed ferrite, martensite in an amount not less than 5% but not exceeding 20%, and bainite in an amount not exceeding 10%.. .
08/07/14
20140216606
Non-oriented electrical steel strip having excellent magnetic properties and production method thereof
The present invention relates to a non-oriented electrical steel strip, which is used as a core for electrical devices such as motors and transformers, and a production method thereof. In accordance with one embodiment of the invention, there is provided a method for producing a (100) [0vw] non-oriented electrical steel strip having excellent magnetic properties, in which a slab having a composition comprising 0.0001-0.035 wt % of s and the balance of fe and inevitable impurities, thereby showing a ferrite structure throughout the entire temperature range, is hot-rolled, pickled and cold-rolled, and the cold-rolled steel strip is annealed so that the selective growth of (100) grains on the surface of the cold-rolled steel strip occurs and the surface of the annealed steel strip is composed of the (100) [0vw] orientation..
07/31/14
20140212684
High-strength galvanized steel sheet excellent in bendability and manufacturing method thereof
The present invention provides a high-strength galvanized steel sheet with maximum tensile strength of 900 mpa or more. The high-strength galvanized steel sheet has an alloyed galvanized layer formed on a surface of a base steel sheet containing predetermined amounts of c, si, mn, p, s, al, n, o with a balance being constituted of iron and inevitable impurities, in which in a structure of the base steel sheet, retained austenite is limited to 8% or less in volume fraction, kurtosis k* of the hardness distribution between 2% hardness and 98% hardness is −0.30 or less, a ratio between vickers hardness of surface layer of the base steel sheet and vickers hardness of ¼ thickness of the base steel sheet is 0.35 to 0.70, and a content of iron in the alloyed galvanized layer is 8 to 12% in mass %..
07/31/14
20140212660
Medium carbon steel sheet for cold working and method for manufacturing the same
Disclosed is a medium carbon steel sheet for cold working that has a hardness of 500 hv to 900 hv when subjected to high-frequency quenching in which a temperature is raised at an average heating rate of 100° c./second, the temperature is held at 1,000° c. For 10 seconds, and a quick cooling to a room temperature is carried out at an average cooling rate of 200° c./second.
07/31/14
20140209350
Plate-like electric conductor for a busbar and the busbar formed therefrom
The electric conductor formed from an aluminum alloy plate having a thickness of 0.5-12 mm is obtained by subjecting an aluminum alloy consisting essentially of fe: 0.05-2.0%; si: 0.05-0.6%; cu: 0.01-0.35%; by mass, and the balance comprising al and inevitable impurities to a hot rolling process. The electric conductor has the electric conductivity of 55-60% iacs, tensile strength not lower than 170 mpa and yield strength not lower than 155 mpa, in the as-rolled state at the room temperature, and does not suffer from cracking upon bending by 90° with an inner bending radius equal to its thickness, while having the electric conductivity of 55-60% iacs, tensile strength not lower than 160 mpa, and yield strength not lower than 145 mpa, after a heat treatment at 140-160° c.
07/31/14
20140209220
Two-phase stainless steel, method of manufacturing the same, and diaphragm, pressure sensor, and diaphragm valve using two-phase stainless steel
It is an object of the present invention to provide a metal diaphragm capable of achieving a higher strength, excellent corrosion resistance, and a smooth surface condition, and a pressure sensor including the diaphragm. The diaphragm according to the present invention includes a two-phase stainless steel having a composition of 24 to 26 mass % cr, 2.5 to 3.5 mass % mo, 5.5 to 7.5 mass % ni, 0.03 mass % or less c, 0.08 to 0.3 mass % n, and the balance fe and inevitable impurities, and having a 0.2% proof stress of 1300 mpa or higher..
07/24/14
20140205858
High strength hot dip galvanised steel strip
A high strength hot dip galvanised steel strip having, in mass percent, the following elements: 0.13-0.19% c; 1.70-2.50% mn; max 0.15% si; 0.40-1.00% al; 0.05-0.25% cr; 0.01-0.05% nb; max 0.10% p; max 0.004% ca; max 0.05% s; max 0.007% n; and optionally at least one of the following elements: max 0.50% ti, max 0.40% v, max 0.50% mo, max 0.50% ni, max 0.50% cu, max 0.005% b, the balance being fe and inevitable impurities; wherein 0.40%<al+si<1.05% and mn+cr>1.90%. This steel offers improved formability at a high strength, has a good weldability, and surface quality together with a good producability and coatability..
07/24/14
20140205855
High-strength steel sheet excellent in impact resistance and manufacturing method thereof, and high-strength galvanized steel sheet and manufacturing method thereof
[summary] the present invention provides a high-strength steel sheet excellent in impact resistance. The high-strength steel sheet contains predetermined contents of c, si, mn, p, s, al, ti, n, and o, with the balance being iron and inevitable impurities, and has a steel sheet structure in which, in a ⅛ thickness to ⅜ thickness region across ¼ of a sheet thickness, 1 to 8% retained austenite is contained in volume fraction, an average aspect ratio of the retained austenite is 2.0 or less, an amount of solid-solution mn in the retained austenite is 1.1 times an average amount of mn or more, and tin grains having a 0.5 μm average grain diameter or less are contained, and a density of aln grains with a 1 μm grain diameter or more is 1.0 pieces/mm2 or less, wherein a maximum tensile strength is 900 mpa or more..
07/24/14
20140205802
Cast product having alumina barrier layer
To provide a cast product having an alumina barrier layer and method for producing the same. A cast product having an alumina barrier layer of the present invention is a cast product in which an alumina barrier layer containing al2o3 is formed on the surface of a cast body, and the cast body contains c: 0.3 mass % to 0.7 mass %, si: 0.1 mass % to 1.5 mass %, mn: 0.1 mass % to 3 mass %, cr: 15 mass % to 40 mass %, ni: 20 mass % to 55 mass %, al: 2 mass % to 4 mass %, rare earth element: 0.005 mass % to 0.4 mass %, w: 0.5 mass % to 5 mass % and/or mo: 0.1 mass % to 3 mass %, and 25 mass % or more of fe in the remainder and an inevitable impurity, and 80 mass % or more of the rare earth element is la..
07/24/14
20140205491
Copper alloy material
A copper alloy material includes an additional element m including ti, and a balance having copper and an inevitable impurity. An atomic ratio of the additional element m to oxygen is in a range of 0.33≦m/o≦1.5..
07/24/14
20140205488
Ultra fine-grained advanced high strength steel sheet having superior formability
A cold rolled, annealed trip steel sheet which has a composition including (in wt. %): c: 0.1-0.3; mn: 4-10, al: 0.05-5, si: 0.05-5; and nb: 0.008-0.1, the remainder being iron and inevitable residuals.
07/24/14
20140205486
Boron-containing stainless steel having excellent hot workability and surface property
A boron-containing stainless steel having excellent hot workability and weldability and a good surface quality is proposed and is a boron-containing stainless steel comprising c: 0.001˜0.15 mass %, si: 0.1˜2 mass %, mn: 0.1˜2 mass %, ni: 5˜25 mass %, cr: 11˜27 mass %, b: 0.05˜2.5 mass %, al: 0.005˜0.2 mass %, o: 0.0001˜0.01 mass %, n: 0.001˜0.1 mass %, s: not more than 0.005 mass %, one or both of mg: 0.0001˜0.005 mass % and ca: 0.0001˜0.005 mass % and the remainder being fe and inevitable impurities provided that a part of si, al, mg, ca and s is included as a non-metallic inclusion made of sulfide and/or oxysulfide.. .
07/24/14
20140202730
Soft dilute-copper alloy insulated twisted wire and coil
A soft dilute-copper alloy insulated twisted wire includes a plurality of insulated wires twisted together and each including a conductor and an insulating cover layer thereon. The conductor includes a soft dilute-copper alloy wire including a soft dilute-copper alloy material including an additional element selected from the group consisting of ti, mg, zr, nb, ca, v, ni, mn and cr with a balance consisting a copper and an inevitable impurity.
07/24/14
20140202602
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 satisfied 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..
07/24/14
20140202600

A method for producing a high fatigue life quenched/tempered steel pipe comprises a quenching treatment of keeping an unquenched starting steel pipe having a composition that comprises, % by mass, c: 0.1 to 0.4%, si: 0.5 to 1.5%, mn: 0.3 to 2%, p: at most 0.02%, s: at most 0.01%, cr: 0.1 to 2%, ti: 0.01 to 0.1%, nb: 0.01 to 0.1%, al: at most 0.1%, b: 0.0005 to 0.01%, and n: at most 0.01%, with a balance of fe and inevitable impurities, at 900 to 1100° c. For 10 to 60 seconds and then rapidly cooling it.
07/10/14
20140193668
Stainless steel for fuel cell separator
Stainless steel for fuel cell separators are provided which exhibit stable contact resistance characteristics and excellent practical utility. The stainless steel contains not less than 16 mass % of cr.
07/10/14
20140193667
High-strength cold-rolled steel sheet having excellent stretch flangeability and precision punchability and manufacturing method thereof
A high-strength cold-rolled steel sheet having excellent stretch flangeability and precision punchability containing predetermined components and a balance being composed of iron and inevitable impurities, in which in 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 represented by respective crystal orientations of {100}<011>, {116}<110>, {114}<110>, {113}<110>, {112}<110>, {335}<110>, and {223}<110> is 6.5 or less, and a pole density of the {332}<113> crystal orientation is 5.0 or less, and a metal structure contains, in terms of an area ratio, greater than 5% of pearlite, the sum of bainite and martensite limited to less than 5%, and a balance composed of ferrite.. .
07/10/14
20140193491
Pharmaceutical antiretroviral composition
The present invention relates to a pharmaceutical antiretroviral composition comprising (i) a nucleoside reverse-transcriptase inhibitor selected from lamivudine and emtricitabine, (ii) extended release nevirapine, and (iii) tenofovir; a process for preparing such composition and the use of such composition in medicine, particularly for the prophylaxis and/or treatment of diseases caused by retroviruses.. .
07/10/14
20140193293
Copper alloy
Disclosed is a copper alloy containing 1.0% to 3.6% of ni, 0.2% to 1.0% of si, 0.05% to 3.0% of sn, 0.05% to 3.0% of zn, with the remainder including copper and inevitable impurities. The copper alloy has an average grain size of 25 pm or less and has a texture having an average area percentage of cube orientation of 20% to 60% and an average total area percentage of brass orientation, s orientation and copper orientation of 20% to 50%.
07/10/14
20140191831
R-t-b rare earth sintered magnet, alloy for r-t-b rare earth sintered magnet, and method of manufacturing the same
An r-t-b rare earth sintered magnet contains 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 the r-t-b rare earth sintered magnet including 13.4 to 17 at % of r, 4.5 to 5.5 at % of b, and 0.1 to 2.0 at % of m, and t as the balance; in which the r-t-b rare earth sintered magnet is formed of a sintered body which includes a main phase composed of r2fe14b and a grain boundary phase including a larger amount of r than the main phase; in which the magnetization direction of the main phase is a c-axis direction, in which crystal grains of the main phase have one of an elliptical shape and an oval shape extended in such a direction so as to cross the c-axis direction; and in which the grain boundary phase includes an r-rich phase in which the total atomic concentration of the rare earth elements is 70 at % or greater and a transition metal-rich phase in which the total atomic concentration of the rare earth elements is 25 to 35 at %.. .
07/03/14
20140186629
Polycrystalline diamond and manufacturing method thereof, scribe tool, scribing wheel, dresser, rotating tool, orifice for water jet, wiredrawing die, cutting tool, and electron emission source
Nano polycrystalline diamond is composed of carbon, an element of different type which is an element other than carbon and is added to be dispersed in carbon at an atomic level, and an inevitable impurity. The polycrystalline diamond has a crystal grain size not greater than 500 nm.
07/03/14
20140182750
Method for producing an aluminum alloy casting
A method for manufacturing an aluminum alloy casting includes obtaining the aluminum alloy casting by casting an aluminum alloy into a mold, performing solution heat treatment, rapidly cooling the casting, performing aging treatment, and cooling the casting. The aluminum alloy includes, in terms of mass ratios, 4.0 to 7.0% of si, 0.5 to 2.0% of cu, 0.25 to 0.5% of mg, no more than 0.5% of fe, and no more than 0.5% of mn, and at least one component selected from the group consisting of 0.002 to 0.02% of na, 0.002 to 0.02% of ca and 0.002 to 0.02% of sr, a remainder being al and inevitable impurities.
06/19/14
20140170439
Steel sheet with high mechanical strength, ductility and formability properties, production method and use of such sheets
The present invention provides a cold rolled steel sheet. The steel sheet has a strength greater than 1000 mpa, a uniform elongation greater than 12% and a v-bendability greater than 90°.
06/19/14
20140166481
Fe-al based alloy sputtering target
Provided is a fe—al alloy sputtering target having an al content of 1 to 23 at %, an oxygen content of 100 wt ppm or less, and the balance being fe and inevitable impurities. Also, provided is a method of producing a fe—al alloy sputtering target having an al content of 1 to 23 at %, an oxygen content of 100 wt ppm or less, and the balance being fe and inevitable impurities, the method in which: a fe raw material and an al raw material, i.e., 1 to 23 at % of al and the balance being fe and inevitable impurities, are melted at a melting temperature of 1200 to 1600° c.
06/19/14
20140166158
High-mn austenitic stainless steel and metal parts for clothing ornament
High-mn austenitic stainless steels having a chemical composition comprising c: 0.02-0.12 mass %, si: 0.05-1.5 mass %, mn: 10.0-22.0 mass %, s: not more than 0.0028 mass %, ni: 4.0-12.0 mass %, cr: 14.0-25.0 mass % and n: 0.07-0.17 mass % with the balance being fe and inevitable impurities, provided that these components are contained so that δ cal represented by the following equation is not more than 5.5%: δ cal (mass %)=(cr+0.48si)−(ni+0.11mn−0.0101mn2+26.4c+20.1n)−4.7, wherein each element symbol in the equation is a content of the respective element (mass %), and having a magnetic permeability of not more than 1.003 under a magnetic field of 200 ka/m.. .
06/12/14
20140161657
Compacted graphite iron, engine cylinder head and vehicle
A compacted graphite iron having composition comprising: fe as a major ingredient, c: of about 3.4˜4.2 wt %, si: of about 1.5˜2.5 wt %, p: 0.10 wt % or less (not including 0), s: of about 0.10 wt % or less (not including 0), cr: of about 0.10 wt % or less (not including 0), mn: of about 0.1˜0.6 wt %, cu: of about 0.2˜1.6 wt %, sn: of about 0.1 wt % or less (not including 0), mg: of about 0.05 wt % or less (not including 0), mo: of about 0.05˜0.5 wt %, at least one ingredient of v: of about 0.05˜0.5 wt % and ti: of about 0.05˜0.5 wt %, and other inevitable impurities; an engine cylinder head; and a vehicle.. .
06/12/14
20140158532
High-purity copper-manganese-alloy sputtering target
Provided is a high-purity copper-manganese-alloy sputtering target comprising 0.05 to 20 wt. % of mn, 2 wt ppm or less of c, and the remainder being cu and inevitable impurities, wherein in formation of a film on a wafer by sputtering the target, the number of particles composed of c, at least one element selected from mn, si, and mg, or a compound composed of c and at least one element selected from mn, si, and mg and having a diameter of 0.20 μm or more is 30 or less on average.
06/05/14
20140154684
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.
06/05/14
20140154129
Stainless steel for fuel cell separator
Stainless steel for fuel cell separators contains c: ≦0.03%, si: ≦1.0%, mn: ≦1.0%, s: ≦0.01%, p: ≦0.05%, al: ≦0.20%, n: ≦0.03%, cr: 16 to 40%, and one or more of ni: ≦20%, cu: ≦0.6% and mo: ≦2.5%, the balance being fe and inevitable impurities. According to x-ray photoelectron spectroscopy, the surface of the stainless steel contains fluorine and provides a 3.0 or higher ratio of the total of atomic concentrations of cr and fe in other than the metallic forms calculated from data resulting from the separation of peaks of cr and fe into metallic peaks and peaks other than the metallic peaks to the total of atomic concentrations of cr and fe in the metallic forms calculated from data resulting from the separation of peaks of cr and fe into metallic peaks and peaks other than the metallic peaks..
06/05/14
20140150934
Wire rod having superior hydrogen delayed fracture resistance, method for manufacturing same, high strength bolt using same and method for manufacturing bolt
The wire rod comprises, 0.3-0.7 wt % c, 0.05-2.0 wt % si, 0.7-1.5 wt % mn, 0.01-0.1 wt % ni, and 30-70 ppm la, and the remainder thereof is comprised by fe and inevitable impurities.. .
05/29/14
20140144613
Aluminum alloy clad member adopted to heat exchanger, and core material for the same
A core material for an aluminum alloy clad material contains si in a content of 0.3% to 1.5% (hereinafter “%” means “percent by mass”), mn in a content of 0.3% t 2.0%, cu in a content of 0.3% to 1.5%, ti in a content of 0.01% to 0.5%, and b in a content of 0.001% to 0.1%, with the remainder including al and inevitable impurities. The core material and an aluminum alloy clad material using the same ensure sufficient corrosion resistance and give a product having an extended life..
05/29/14
20140144559
Method for production of martensitic steel having a very high yield point and sheet or part thus obtained
The present invention provides a method for the fabrication of a martensitic steel sheet with a yield stress greater than 1300 mpa. The method includes the steps of obtaining a semi-finished steel product, the composition of which includes, whereby the contents are expressed in percent by weight: 0.15%≦c≦0.40%, 1.5%≦mn≦3%, 0.005%≦si≦2%, 0.005%≦al≦0.1%, s≦0.05%, p≦0.1%, 0.025%≦nb≦0.1%, and optionally: 0.01%≦ti≦0.1%, 0%≦cr≦4%, 0%≦mo≦2%, 0.0005%≦b≦0.005%, 0.0005%≦ca≦0.005%.
05/29/14
20140144556
Steel plate with low yield-tensile ratio and high toughness and method of manufacturing the same
A steel plate with a low yield ratio and high toughness. The steel plate comprises components of, by weight: c (0.05-0.08%), si (0.15-0.30%), mn (1.55-1.85%), p (less than or equal to 0.015%), s (less than or equal to 0.005%), al (0.015-0.04%), nb (0.015-0.025%), ti (0.01-0.02%), cr (0.20-0.40%), mo (0.18-0.30%), n (less than or equal to 0.006%), o (less than or equal to 0.004%), ca (0.0015-0.0050%), and ni (less than or equal to 0.40%), a ratio of ca to s being greater than or equal to 1.5, and the residual being fe and inevitable impurities..
05/22/14
20140141281
Heat-resistant molybdenum alloy
A heat-resistant molybdenum alloy of this invention comprises a first phase containing mo as a main component and a second phase comprising a mo—si—b-based intermetallic compound particle phase, wherein the balance is an inevitable impurity and wherein the si content is 0.05 mass % or more and 0.80 mass % or less and the b content is 0.04 mass % or more and 0.60 mass % or less.. .
05/22/14
20140138250
Aluminum wheel and method for producing the same
Disclosed is an aluminum wheel comprising: al as a major ingredient, si: about 0˜2 wt % (excluding 0), fe: about 0˜0.15 wt% (excluding 0), cu : about 0.5˜1 wt %, mn: about 0.03˜0.2 wt %, mg: about 0.8˜1.2 wt %, cr: about 0.05˜0.35 wt %, zn: about 0.2˜0.6 wt %, ti: about 0.01˜0.1 wt %, sr: about 0.001˜0.05 wt %, p: about 0˜0.001 wt % (excluding 0) and inevitable impurities; and a method for producing the same.. .
05/15/14
20140135201
Transparent, colorless, tin-fined las glass-ceramics with improved microstructure and optical properties
Transparent, essentially colorless and non-diffusing β-quartz glass-ceramics and glass compositions for forming the same have a composition, free of arsenic oxide, antimony oxide and rare earth oxides except for inevitable trace amounts, which contains, expressed as percentages by weight of oxides 62-72% of sio2, 20-23% of al2o3, 2.8-5% of li2o, 0.1-0.6% of sno2, 1.9-4% of tio2, 1.6-3% of zro2, less than 0.4% of mgo, 2.5-6% of zno and/or bao and/or sro, less than 250 ppm of fe2o3; and their crystallites present in the β-quartz solid solution have an average size of less than 35 nm. The glass-ceramics exhibit low thermal expansion and are easily obtained at an industrial scale..
05/15/14
20140132014
Multi functional retrieval tool encopassing an array of uses to accomodate treestand hunters
A handy compact multifunctional tool used primarily by tree stand hunters, to help make every day hunting from an elevated position more enjoyable as well as to help get you out of the inevitable pinches that hunting throws your way. Having a series of rotatable grapples used for various purposes, including: retrieval of dropped or left behind items, grappling of tree limbs to be removed from the hunter's line of sight, a place to hang weapons or accessories while not in use.
05/08/14
20140127531
High-corrosion-resistance hot-dip galvanized steel sheet having excellent appearance uniformity and manufacturing method thereof
The present invention provides a high-corrosion-resistance hot-dip galvanized steel sheet having excellent appearance uniformity. The steel sheet includes: a coating layer containing al: 4 to 22 mass %, mg: 1 to 6 mass %, and si: 0.001 to 1 mass %, and a balance being composed of zn and inevitable impurities formed on a surface, in which at an interface between the coating layer and a base steel sheet, mg2si phases and ca phases each mainly composed of ca or a ca compound exist, and at least part of the mg2si phases precipitate by using the ca phases as a nucleus..
05/08/14
20140127525
Ni-based casting alloy and steam turbine casting part using the same
To provide, in producing a large product through casting, a ni-based alloy with a composition that minimizes variations in strength at different locations even when the solidification rate becomes slow and the amount of micro segregation increases. The ni-based casting alloy of the present invention has a composition of, in mass %, 0.001% to 0.1% c, 15% to 23% cr, 0% to 11.5% mo, 3% to 18% w, 5 or less % fe, 10 or less % co, 0.4 or less % ti, 0.4 or less % al, and nb and ta (where 0.5%≦nb+ta≦4.15%), in which 7%≦mo+1/2w≦13% is satisfied, and the composition also contains inevitable impurities and ni..
05/08/14
20140124106
Silver-white copper alloy and method of producing silver-white copper alloy
Provided are a silver-white copper alloy which has superior mechanical properties such as hot workability, cold workability, or press property, color fastness, bactericidal and antibacterial properties, and ni allergy resistance; and a method of producing such a silver-white copper alloy. The silver-white copper alloy includes 51.0 mass % to 58.0 mass % of cu; 9.0 mass % to 12.5 mass % of ni; 0.0003 mass % to 0.010 mass % of c; 0.0005 mass % to 0.030 mass % of pb; and the balance of zn and inevitable impurities, in which a relationship of 65.5≦[cu]+1.2×[ni]≦70.0 is satisfied between a content of cu [cu] (mass %) and a content of ni [ni] (mass %).
05/08/14
20140124101
High-strength hot-rolled steel sheet having excellent local deformability and manufacturing method thereof
This high-strength hot-rolled steel sheet having excellent local deformability contains, in mass %, c: 0.07% 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%; 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 5/8 to 3/8 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 10 μm or less.. .
05/01/14
20140120371
Cold-rolled steel plate coated with zinc or a zinc alloy, method for manufacturing same, and use of such a steel plate
The present invention provides a “trip effect” cold-rolled and annealed steel sheet which has improved formability and weldability, strength between 780 and 900 mpa and elongation at fracture greater than 19%, the composition of which includes the following elements in percentages expressed by weight: 0.17%≦c≦0.25%, 1.5%≦mn≦2%, 0.50%≦si≦1%, 0.50%≦al≦1.2%, whereby si+al≧1.30%, the remainder of the composition including iron and the inevitable impurities resulting from processing. The microstructure of the sheet includes 65 to 85% ferrite and 15 to 35% islands of martensite and residual austenite.
05/01/14
20140120365
Steel sheet for hot pressing and process for manufacturing hot pressed member using the steel sheet
A hot-pressing steel sheet has excellent oxidation resistance to be capable of suppressing the formation of scales and zno during hot pressing as well as is excellent in cold pressing properties. A process of manufacturing a hot pressed member uses the steel sheet.
04/24/14
20140112822
Silver-white copper alloy and method of producing silver-white copper alloy
Provided are a silver-white copper alloy which has superior mechanical properties such as hot workability, cold workability, or press property, color fastness, bactericidal and antibacterial properties, and ni allergy resistance; and a method of producing such a silver-white copper alloy. The silver-white copper alloy includes 51.0 mass % to 58.0 mass % of cu; 9.0 mass % to 12.5 mass % of ni; 0.0003 mass % to 0.010 mass % of c; 0.0005 mass % to 0.030 mass % of pb; and the balance of zn and inevitable impurities, in which a relationship of 65.5≦[cu]+1.2×[ni]≦70.0 is satisfied between a content of cu [cu] (mass %) and a content of ni [ni] (mass %).
04/24/14
20140110628
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 33% by mass to 50% by mass, zinc in a range of greater than 0% by mass and less than or equal to 46% by mass exclusive, vanadium in a range from 21% by mass to 67% by mass, 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, zinc, and vanadium as targets.
04/24/14
20140110578
Self-powered gamma detector
A self-powered gamma detector which can hold the influence of neutron rays to the minimum, and can measure the dose of gamma rays accurately under a high neutron environment in the reactor is disclosed. The self-powered gamma detector has a columnar emitter member; a collector member arranged in surroundings of the emitter member through an insulating member, and the strength of gamma rays is measured by detecting the value of a current which flows between the emitter member and an mi cable connected with the emitter member, and the collector member.
04/17/14
20140105753
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
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
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
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
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
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.


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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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