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公开(公告)号：US20240072266A1
公开(公告)日：2024-02-29
申请号：US17823608
申请日：2022-08-31
发明人： Muhammad FEBRY , Takayoshi YANO , Tetsuyuki NAKAMURA , Akito MIZUTANI , Masataka YOSHINO , Reiko SUGIHARA , Conghua WANG
IPC分类号： H01M8/021 , H01M8/0217 , H01M8/0245
CPC分类号： H01M8/021 , H01M8/0219 , H01M8/0245 , H01M2008/1293
摘要： Disclosed is a component for solid oxide fuel cells that is excellent in both electrical conductivity and chromium poisoning resistance. As a substrate, a ferritic stainless steel having a chemical composition containing, in mass %, Cr: 14.0% to 32.0% and Al: 2.50% to 7.00% is used. Precious metal particles are coated on a surface of the substrate. The precious metal particles have: an average particle size of 1 μm or more and 10 μm or less; a coating thickness of 0.5 μm or more and 10 μm or less; and a surface coverage of 1.0% or more.
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公开(公告)号：US20170292176A1
公开(公告)日：2017-10-12
申请号：US15518190
申请日：2015-10-08
发明人： Masami TSUJIMOTO , Takumi TANAKA , Tomonari HIRAGUCHI , Katsumi KOJIMA , Makoto ARATANI , Reiko SUGIHARA , Fumio AOKI , Toshihiro KIKUCHI , Hiroki NAKAMARU
摘要： A steel sheet for a crown cap having sufficient strength and formability suitable for forming crown caps even when reduced in gauge, and a method for producing the steel sheet for a crown cap. The steel sheet for a crown cap having a composition that includes, in terms of % by mass: C: 0.002% or more and 0.010% or less, Si: 0.05% or less, Mn: 0.05% or more and 0.30% or less, P: 0.030% or less, S: 0.020% or less, Al: less than 0.0100%, N: 0.0050% or less, and the balance being Fe and unavoidable impurities. The C content is more than 0.003% when the Al content is 0.005% or more. The yield strength in the rolling direction is 500 MPa or more. The average Lankford value is 1.3 or more.
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公开(公告)号：US20210102279A1
公开(公告)日：2021-04-08
申请号：US16970017
申请日：2019-01-21
发明人： Takayoshi YANO , Manami ICHIKAWA , Tetsuyuki NAKAMURA , Kunio FUKUDA , Shin ISHIKAWA , Reiko SUGIHARA , Katsuhisa YAMAUCHI , Hideya MATSUMOTO
IPC分类号： C22C38/54 , C22C38/52 , C22C38/50 , C22C38/48 , C22C38/46 , C22C38/44 , C22C38/42 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00 , C21D9/46 , C21D8/02 , C21D6/00
摘要： A ferritic stainless steel having good corrosion resistance and good brazability in the case where brazing is performed with a Ni-containing brazing filler metal at a high temperature. The ferritic stainless steel has a chemical composition comprising, by mass %, C: 0.003% to 0.020%, Si: 0.05% to 0.60%, Mn: 0.05% to 0.30%, P: 0.040% or less, S: 0.020% or less, Cr: 17.0% to 22.0%, Ni: 0.20% to 0.80%, Cu: 0.30% to 0.80%, Mo: 0.01% to 0.10%, Al: 0.001% to 0.015%, Nb: 0.25% to 0.60%, N: 0.020% or less, and the balance being Fe and inevitable impurities. The expression 4Ni−(Si+Mn)≥0.00% is satisfied, where each of Ni, Si, and Mn denotes a content, by mass %, of a corresponding element.
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公开(公告)号：US20190226067A1
公开(公告)日：2019-07-25
申请号：US16326784
申请日：2017-08-29
IPC分类号： C22C38/60 , C22C38/16 , C22C38/14 , C22C38/12 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/34 , C22C38/36 , C23C2/06 , C23C2/40 , C21D8/02 , C21D9/46
摘要： A high-strength steel sheet having a TS of 780 MPa or more, excellent stretch flangeability, and excellent in-plane anisotropy of TS is provided. A high-strength steel sheet comprises: a predetermined chemical composition; a steel microstructure including, in area fraction, ferrite: 20% or more and 50% or less, lower bainite: 5% or more and 40% or less, martensite: 1% or more and 20% or less, and tempered martensite: 20% or less, and including, in volume fraction, retained austenite: 5% or more, the retained austenite having an average grain size of 2 μm or less; and a texture having an inverse intensity ratio of γ-fiber to α-fiber of 3.0 or less.
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公开(公告)号：US20230119504A1
公开(公告)日：2023-04-20
申请号：US17904954
申请日：2021-02-19
IPC分类号： C22C38/54 , C22C38/52 , C22C38/50 , C22C38/48 , C22C38/46 , C22C38/44 , C22C38/42 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00
摘要： Having a chemical composition (1) containing 0.15 mass % to 1.00 mass % of Nb, and (2) containing 0.0005 mass % to 0.0100 mass % of Mg, where (3) the Al content is controlled in a range of 0.55 mass % to 2.00 mass %, and (4) a relationship of 0.0004≤[Mg]/[Al]≤0.0050 is further satisfied.
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公开(公告)号：US20210032731A1
公开(公告)日：2021-02-04
申请号：US16966711
申请日：2019-01-25
IPC分类号： C22C38/42 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/52 , C22C38/60 , C22C38/54 , C21D8/00
摘要： A ferritic stainless steel having excellent creep resistance and thermal fatigue resistance. The ferritic stainless steel has a chemical composition comprising, by mass %, C: 0.020% or less, Si: 0.1 to 1.0%, Mn: 0.05 to 0.60%, P: 0.050% or less, S: 0.008% or less, Ni: 0.02 to 0.60%, Al: 0.001 to 0.25%, Cr: 18.0 to 20.0%, Nb: 0.30 to 0.80%, Mo: 1.80 to 2.50%, N: 0.015% or less, Sb: 0.002 to 0.50%, and the balance being Fe and inevitable impurities. The expression Nb+Mo: 2.3 to 3.0% is satisfied, where Nb and Mo in the expression represent the contents, by mass %, of the respective elements.
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公开(公告)号：US20190264298A1
公开(公告)日：2019-08-29
申请号：US16341450
申请日：2017-10-06
IPC分类号： C21D9/46 , C22C38/54 , C22C38/50 , C22C38/48 , C22C38/46 , C22C38/44 , C22C38/42 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00 , C21D8/02 , C21D6/00 , C22C38/52
摘要： A martensitic stainless steel sheet comprises a chemical composition containing, in mass %, C: 0.035% to 0.090%, Si: 0.01% to 1.0%, Mn: 0.01% to 0.90%, P: 0.050% or less, S: 0.050% or less, Cr: 10.0% to 14.0%, Ni: 0.01% to 0.40%, Al: 0.001% to 0.50%, V: 0.05% to 0.50%, and N: 0.050% to 0.20%, with the balance being Fe and inevitable impurities, wherein a content of C and a content of N in the chemical composition satisfy C %+N % 0.10% and N % C %, the number of precipitates with a major axis length of 200 nm or more in a surface layer of the martensitic stainless steel sheet is 25 or less per 100 μm2, and the martensitic stainless steel sheet has a tensile strength of 1300 MPa or more, a proof stress of 1100 MPa or more, and an elongation of 8.0% or more.
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8.发明申请公开(公告)号：US20170204492A1
公开(公告)日：2017-07-20
申请号：US15329026
申请日：2015-07-31
发明人： Keiji UEDA , Shinjiro KANEKO , Masami IWASAKI , Reiko SUGIHARA , Takeshi YOKOTA , Kazuhiro SETO
IPC分类号： C21D9/46 , C21D1/26 , C22C38/58 , C22C38/50 , C22C38/48 , C22C38/42 , C22C38/38 , C22C38/28 , C22C38/26 , C22C38/22 , C22C38/20 , C22C38/24 , C22C38/06 , C22C38/02 , C22C38/00 , C21D8/02
CPC分类号： C21D9/46 , C21D1/26 , C21D8/0205 , C21D8/0226 , C21D8/0236 , C21D8/0263 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/06 , C22C38/20 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/38 , C22C38/42 , C22C38/48 , C22C38/50 , C22C38/58
摘要： A cold-rolled steel sheet having excellent spot weldability suitable for use in vehicles, electric appliances, etc. is provided. The cold-rolled steel sheet has a steel composition containing, in mass%: C: 0.05% to 0.13%; Si: 0.05% to 2.0%; Mn: 1.5% to 4.0%; P: 0.05% or less; S: 0.005% or less; Al: 0.01% to 0.10%; Cr: 0.05% to 1.0%; Nb: 0.010% to 0.070%; Ti: 0.005% to 0.040%; and N: 0.0005% to 0.0065%, with a mass ratio Ti/N of Ti and N being 2.5 or more and 7.5 or less, and a balance being Fe and incidental impurities, wherein 70 mass % or more of Ti in steel exists as a precipitate, and 15 mass % or more of Nb in the steel exists as solute Nb, and a tensile strength is 980 MPa or more.
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