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公开(公告)号：US11634790B2
公开(公告)日：2023-04-25
申请号：US17434988
申请日：2020-04-16
IPC分类号： C22C18/04 , C23C2/06 , C23C2/02 , B32B15/01 , C23C2/40 , C23C28/02 , C22C18/00 , C23C28/00 , C23C2/28 , C23C2/26 , C23C30/00 , B32B15/04 , B32B15/18 , C22C21/00 , C23C2/12 , C22C38/06 , C21D9/46 , C22C38/02 , C22C38/04 , C22C38/00
摘要： A plated steel sheet includes: a steel sheet; and a plating layer that is formed on at least a part of a surface of the steel sheet, in which a chemical composition of the plating layer includes, by mass %, Al: more than 5.00% and 35.00% or less, Mg: 3.00% to 15.00%, Si: 0% to 2.00%, Ca: 0% to 2.00%, and a remainder of Zn and impurities, in which in a cross section of the plating layer in a thickness direction, the area ratio of a lamellar structure in which an (Al—Zn) phase and a MgZn2 phase are arranged in layers is 10% to 90%, a lamellar spacing of the lamellar structure is 2.5 μm or less, and the area ratio of an (Al—Zn) dendrite is 35% or less.
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公开(公告)号：US11572607B2
公开(公告)日：2023-02-07
申请号：US16956743
申请日：2018-12-20
申请人： POSCO
发明人： Heung-Yun Kim , Myung-Soo Kim
IPC分类号： C22C18/04 , C23C2/06 , C23C2/14 , C23C2/26 , C23C2/18 , C23C2/02 , C23C30/00 , C23C2/40 , C23C2/28 , B32B15/01 , C22C18/00 , B32B15/04 , B32B15/18
摘要： Provided is a plated steel to be used for automobiles, electric home appliances, building materials and the like and, more specifically, to a zinc alloy-plated steel having excellent corrosion resistance and surface smoothness, and a method for manufacturing the same.
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13.发明申请公开(公告)号：US20230030466A1
公开(公告)日：2023-02-02
申请号：US17787182
申请日：2020-12-03
申请人： POSCO
发明人： Young-Jin Kwak , Woo-Sung Jung
IPC分类号： B32B15/01 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00 , C22C18/00 , C23C14/16 , C23C14/26
摘要： The present disclosure relates to a zinc-based coated steel material having excellent corrosion resistance and spot weldability and, more particularly, to a zinc-based coated steel material plated with a multilayer zinc alloy, which has two or more layers, and having excellent corrosion resistance and spot weldability. A zinc-based coated steel material according to an aspect of the present disclosure includes: a base steel; and a multilayer zinc-based plating layer composed of two or more discriminated plating layers, in which the multilayer zinc-based plating layer may include Mg of 0.12˜0.64 percent by weight.
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公开(公告)号：US11512364B2
公开(公告)日：2022-11-29
申请号：US16941192
申请日：2020-07-28
发明人： Ingwer Denks , Christian Pelz , Maik Habermann , Michael Braun , Stefan Mecke , Ansgar Geffert , Nils Köpper
IPC分类号： C21D9/52 , C21D6/00 , C21D8/02 , C23C2/06 , C23C2/40 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C18/00 , C22C38/00 , C23C2/02 , C22C18/04 , C22C38/24 , C23C30/00 , C22C38/44 , B32B15/18 , C22C38/46 , B32B15/01 , C22C38/50 , C23C2/26 , C22C38/22 , B32B15/04 , C22C38/48 , C23C2/28 , G09G3/3208 , G06V40/13 , G06V40/12
摘要： The invention relates to a method for producing a hot-rolled strip composed of a bainitic multi-phase steel and having a Zn—Mg—Al coating, comprising the following steps: melting a steel melt containing (in weight percent): C: 0.04-0.11, Si:
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公开(公告)号：US20220305555A1
公开(公告)日：2022-09-29
申请号：US17656065
申请日：2022-03-23
发明人： Gleb YUSHIN , Wenqiang HU , Samik JHULKI , Wenbin FU , Kostiantyn TURCHENIUK
摘要： Aspects relate to method of zinc-comprising nanowire fabrication, the method comprising forming a starting material comprising zinc metal or zinc metal alloy and at least one reactive metal, and exposing the starting material to one or more alcohols to obtain a reaction product comprising zinc-comprising nanowires, wherein the at least one reactive metal is more reactive than zinc to the one or more alcohols.
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公开(公告)号：US20220251695A1
公开(公告)日：2022-08-11
申请号：US17622085
申请日：2019-06-26
发明人： Tae-Chul Kim , Jong-Sung Kim , Sung-Hoon Kang , Gwang-Weon Yu , Il-Ryoung Sohn , Jong-Sang Kim
摘要： A plated steel wire, according to one aspect of the present invention, comprises: a base steel wire; and a zinc alloy plated layer. The zinc alloy plated layer comprises, in percentage by weight: 1.0% to 3.0% of AI; 1.0% to 2.0% of Mg; 0.5% to 5.0% of Fe; and the balance being Zn and unavoidable impurities, and includes a Zn/MgZn2/AI ternary eutectic structure, a Zn single-phase structure, and an Fe—Zn-AI-based crystal structure, wherein the Fe—Zn-AI-based crystal structure is formed adjacent to the base steel wire, and can have an average thickness of ⅕ to ½ with respect to an average thickness of the zinc alloy plated layer.
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公开(公告)号：US11408476B2
公开(公告)日：2022-08-09
申请号：US16776483
申请日：2020-01-29
申请人： TUNGALOY CORPORATION
发明人： Mitsuo Kamei
IPC分类号： F16D69/02 , B32B15/01 , B32B15/04 , C22C13/00 , C22C18/00 , C23C28/00 , C22C9/06 , C22C19/05 , C22C38/02 , C22C38/00 , C22C19/00 , C22C19/03 , C22C38/04 , C22C38/08 , C22C38/16 , C23C28/02 , F16C33/12 , C23C30/00 , B32B15/20 , C22C18/02 , C22C9/00 , B32B15/18 , F16D69/00
摘要： A friction material comprises an Fe part which contains Fe as a main component, a coating layer formed on a surface of the Fe part, and a friction part formed on a surface of at least a part of the coating layer, and the coating layer comprises a first coating layer and a second coating layer which have a specific average thickness and a specific component in order from Fe part side, and in the second coating layer, in order of positions at which the thickness is 20%, 40%, 60% and 80% of the second coating layer from the side of the first coating layer to the side opposite thereto, a Cu content increases and a Ni content decreases.
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公开(公告)号：US20220234330A1
公开(公告)日：2022-07-28
申请号：US17614400
申请日：2020-05-28
发明人： Yuji SAKIYAMA , Yuri TODA , Kazuo HIKIDA
IPC分类号： B32B15/01 , C22C18/00 , C22C38/18 , C22C38/14 , C22C38/12 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00 , C21D9/46 , C21D8/02 , C21D6/00
摘要： A hot-stamped article according to the present invention has a plating layer being attached to a single surface in an amount of 10 g/m2 or more and 90 g/m2 or less and having a Ni content of 10 mass % or more and 25 mass % or less with a remainder including Zn and impurities on a surface of a base steel sheet having a predetermined chemical composition, in a surface layer region, a metallographic structure includes 80.0% or more of martensite and 8.0% or more of residual austenite in terms of area percentage, and the concentration of Ni in the surface layer region is 8 mass % or more.
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公开(公告)号：US11312212B2
公开(公告)日：2022-04-26
申请号：US15561962
申请日：2016-03-22
申请人： ArcelorMittal
发明人： Laurence Dosdat , Matthieu Amblard
摘要： The present invention provides a panel for a vehicle including a coated steel sheet locally reinforced. A method for preparing the panel and the use of the panel are also provided.
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20.发明授权公开(公告)号：US11248287B2
公开(公告)日：2022-02-15
申请号：US16773101
申请日：2020-01-27
申请人： POSCO
发明人： Min-Suk Oh , Sang-Heon Kim , Tae-Chul Kim , Jong-Sang Kim , Hyun-Chu Yun , Bong-Hwan Yoo , Il-Ryoung Sohn
IPC分类号： B32B15/01 , B32B15/04 , B32B15/18 , C22C38/04 , C22C38/02 , C22C38/06 , C22C18/04 , C23C30/00 , C23C28/02 , C23C2/06 , C23C2/40 , C23C2/16 , C23C2/28 , C23C2/02 , C22C18/00 , C23C2/26 , C22C38/08
摘要： Zn alloy plated steel material having excellent weldability and processed-part corrosion resistance and a method for production of Zn alloy plated steel material are provided. In the Zn alloy plated steel material comprising base steel material and a Zn alloy plating layer, the Zn alloy plating layer includes, by wt %, Al: 0.1-5.0%, Mg: 0.1-5.0%, as well as a remainder of Zn and inevitable impurities. The Zn alloy plated steel material includes a lower interface layer and an upper interface layer between the base steel material and the Zn alloy plating layer, wherein the lower interface layer is formed on the base steel material and has a dense structure, and the upper interface layer is formed on the lower interface layer and has a network-type or island-type structure.
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