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1.发明申请公开(公告)号：US20200216925A1
公开(公告)日：2020-07-09
申请号：US16647894
申请日：2018-10-11
发明人： Janko Banik , Maria Köyer , Dirk Rosenstock , Manuela Ruthenberg
IPC分类号： C21D9/48 , C21D8/04 , C21D6/00 , C23C2/06 , C23C2/40 , C23C2/28 , C22C38/32 , C22C38/28 , C22C38/26 , C22C38/22 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00 , B21D22/02
摘要： A method for producing a steel component from a flat steel sheet is provided. The produced steel component includes a substrate and a coating. The method ensures that the steel component has an Hdiff content below a certain level. The low Hdiff content minimizes the risk of hydrogen-induced cracking of the steel component after hot forming, including during subsequent use of the steel component. The Hdiff content in the hot-formed steel component is ensured to be below a certain level by selecting furnace parameters depending on the rolling degree and the sheet thickness of the flat steel sheet.
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公开(公告)号：US10449597B2
公开(公告)日：2019-10-22
申请号：US14610233
申请日：2015-01-30
发明人： Maria Köyer , Janko Banik
摘要： A method for the surface treatment of a metal workpiece, in particular of a coated metal workpiece, for hot forming includes partially or completely heating the workpieces to a temperature of at least Ac1, cleaning at least one surface of the heated workpiece with at least one pressurized air jet, forming the heated and cleaned workpiece, and cooling down the formed workpiece.
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公开(公告)号：US11891676B2
公开(公告)日：2024-02-06
申请号：US17978246
申请日：2022-11-01
发明人： Maria Köyer , Fred Jindra , Dirk Czupryna
CPC分类号： C21D9/46 , B21D22/022 , C21D8/0226 , C21D8/0236 , C21D8/0273 , C22C21/02 , C22C38/04 , C23C2/12 , C23C2/40 , C21D2211/008
摘要： A flat steel product for production of a sheet metal component by hot forming includes a steel substrate consisting of a steel including 0.1-3% by weight of Mn and optionally up to 0.01% by weight of B, an aluminium-based coating disposed on at least one side of the steel substrate. A coating here has an applied layer weight of 15-30 g/m2. In addition, the coating has an Al base layer consisting of 1.0-15% by weight of Si, optionally 2-4% by weight of Fe, 0.1-5.0% by weight of alkali metals or alkaline earth metals, and optional further constituents, the contents of which are limited to a total of not more than 2.0% by weight, and aluminium as the balance.
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公开(公告)号：US20230366057A1
公开(公告)日：2023-11-16
申请号：US18027201
申请日：2021-09-17
发明人： Jennifer Schulz , Maria Köyer , Manuela Ruthenberg
IPC分类号： C21D9/46 , C22C38/22 , C22C38/28 , C22C38/32 , C22C38/14 , C22C38/12 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00 , C22C21/02 , C21D1/18 , C21D8/02 , C21D6/00 , C23C2/12 , C23C2/40 , C23C2/28
CPC分类号： C21D9/46 , C22C38/22 , C22C38/28 , C22C38/32 , C22C38/14 , C22C38/12 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/002 , C22C21/02 , C21D1/18 , C21D8/0205 , C21D8/0226 , C21D8/0236 , C21D8/0263 , C21D8/0278 , C21D6/002 , C21D6/005 , C21D6/008 , C23C2/12 , C23C2/40 , C23C2/28
摘要： A sheet metal component made of a hot-formed flat steel product including a steel substrate consisting of, in mass. %, C: 0.1-0.4%, Mn: 0.5-3.0%, Si: 0.05-0.5% Cr: 0.005-1.0%, B: 0.0005-0.01% and optionally one or more of V, Ti, Nb, Al, Ni, Cu, Mo, and W, where the contents of the respective optionally present alloy element are V: 0.001-0.2%, Ti: 0.001-0.1%, Nb: 0.001-0.1%, Al: 0.01-0.2%, Ni: 0.01-0.4%, Co: 0.01-0.8% Mo: 0.001-1.0%, W: 0.001-1.0%, and the remainder iron and unavoidable impurities, wherein the unavoidable impurities include contents less than 0.1% P, less than 0.05% S, and less than 0.01% N, and an Al corrosion protection layer applied to the steel substrate, wherein the component is optionally hardened. An adhesive section having an SDR value of 3-30%, determined according to ISO 25178 is provided on the free outer face of the corrosion protection coating for adhering the sheet metal component to another component.
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公开(公告)号：US20240117458A1
公开(公告)日：2024-04-11
申请号：US18543606
申请日：2023-12-18
发明人： Maria Köyer , Fred Jindra , Dirk Czupryna
CPC分类号： C21D9/46 , B21D22/022 , C21D8/0226 , C21D8/0236 , C21D8/0273 , C22C21/02 , C22C38/04 , C23C2/12 , C23C2/40 , C21D2211/008
摘要： A flat steel product for production of a sheet metal component by hot forming includes a steel substrate consisting of a steel including 0.1-3% by weight of Mn and optionally up to 0.01% by weight of B, an aluminium-based coating disposed on at least one side of the steel substrate. A coating here has an applied layer weight of 15-30 g/m2. In addition, the coating has an Al base layer consisting of 1.0-15% by weight of Si, optionally 2-4% by weight of Fe, 0.1-5.0% by weight of alkali metals or alkaline earth metals, and optional further constituents, the contents of which are limited to a total of not more than 2.0% by weight, and aluminium as the balance.
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6.发明公开公开(公告)号：US20230366056A1
公开(公告)日：2023-11-16
申请号：US18024126
申请日：2021-08-27
发明人： Maria Köyer , Manuela Ruthenberg , Janko Banik
IPC分类号： C21D9/46 , C22C38/02 , C22C38/06 , C22C38/00 , C22C38/22 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/38 , C23C2/12 , C23C2/28 , C23C2/40 , C22C21/02 , C21D8/02 , C23C28/00
CPC分类号： C21D9/46 , C22C38/02 , C22C38/06 , C22C38/002 , C22C38/22 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/38 , C23C2/12 , C23C2/28 , C23C2/40 , C22C21/02 , C21D8/0236 , C21D8/0278 , C23C28/321
摘要： A flat steel product is provided, including a steel substrate made of a steel which consists of, in % by weight, 0.07-0.4% C, 1.0-2.5% Mn, 0.06-0.9% Si, ≤0.03% P, ≤0.01% S, ≤0.1% Al, ≤0.15% Ti, ≤0.6% Nb, ≤0.005% B, ≤0.5% Cr, 50.5% Mo, where the sum of Cr and Mo is ≤0.5%, and, as the remainder, Fe and unavoidable impurities, and including an anti-corrosion coating which is formed from, in % by weight, ≤15% Si, ≤5% Fe, ≤5% of at least one alkaline earth or transition metal and, as the remainder, Al and unavoidable impurities. If the anti-corrosion coating contains ≤0.1% by weight of the alkaline earth or transition metal, a solution containing at least one alkaline earth or transition metal is applied to the anti-corrosion coating of the flat steel product. Then, the flat steel product is flexibly cold-rolled to produce the portions of different thicknesses. Then, it is heated to 800-1000° C. in an atmosphere with >15% by volume O2 until an amount of thermal energy Js of >44,000 kJs and ≤400,000 kJs has been introduced.
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公开(公告)号：US20230136262A1
公开(公告)日：2023-05-04
申请号：US17978246
申请日：2022-11-01
发明人： Maria Köyer , Fred Jindra , Dirk Czupryna
摘要： A flat steel product for production of a sheet metal component by hot forming includes a steel substrate consisting of a steel including 0.1-3% by weight of Mn and optionally up to 0.01% by weight of B, an aluminium-based coating disposed on at least one side of the steel substrate. A coating here has an applied layer weight of 15-30 g/m2. In addition, the coating has an Al base layer consisting of 1.0-15% by weight of Si, optionally 2-4% by weight of Fe, 0.1-5.0% by weight of alkali metals or alkaline earth metals, and optional further constituents, the contents of which are limited to a total of not more than 2.0% by weight, and aluminium as the balance.
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公开(公告)号：US12104218B2
公开(公告)日：2024-10-01
申请号：US18027201
申请日：2021-09-17
发明人： Jennifer Schulz , Maria Köyer , Manuela Ruthenberg
IPC分类号： C21D9/46 , C21D1/18 , C21D6/00 , C21D8/02 , C22C21/02 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/22 , C22C38/28 , C22C38/32 , C23C2/12 , C23C2/26 , C23C2/28 , C23C2/40
CPC分类号： C21D9/46 , C21D1/18 , C21D6/002 , C21D6/005 , C21D6/008 , C21D8/0205 , C21D8/0226 , C21D8/0236 , C21D8/0263 , C21D8/0278 , C22C21/02 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/22 , C22C38/28 , C22C38/32 , C23C2/12 , C23C2/26 , C23C2/28 , C23C2/40
摘要： A sheet metal component made of a hot-formed flat steel product including a steel substrate consisting of, in mass. %, C: 0.1-0.4%, Mn: 0.5-3.0%, Si: 0.05-0.5%, Cr: 0.005-1.0%, B: 0.00050.01% and optionally one or more of V, Ti, Nb, Al, Ni, Cu, Mo, and W, where the contents of the respective optionally present alloy element are V: 0.001-0.2%, Ti: 0.01-0.1%, Nb: 0.001-0.1%, Al: 0.01-0.2%, Ni: 0.01-0.4%, Cu: 0.01-0.8%, Mn: 0.002-1.0%, W: 0.001-1.0%, and the remainder iron and unavoidable impurities, wherein the unavoidable impurities include contents of less than 0.1% P, less than 0.05% S, and less than 0.01% N, and an Al corrosion protection layer applied to the steel substrate, wherein the component is optionally hardened. An adhesive section having an SDR value of 3-30%, determined according to ISO 25178, is provided on the free outer face of the corrosion protection coating for adhering the sheet metal component to another component.
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公开(公告)号：US12098441B2
公开(公告)日：2024-09-24
申请号：US18543606
申请日：2023-12-18
发明人： Maria Köyer , Fred Jindra , Dirk Czupryna
IPC分类号： C21D9/46 , B21D22/02 , C21D8/02 , C22C21/02 , C22C38/00 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/50 , C22C38/58 , C23C2/12 , C23C2/40
CPC分类号： C21D9/46 , B21D22/022 , C21D8/0226 , C21D8/0236 , C21D8/0273 , C22C21/02 , C22C38/04 , C23C2/12 , C23C2/40 , C21D2211/008
摘要： A flat steel product for production of a sheet metal component by hot forming includes a steel substrate consisting of a steel including 0.1-3% by weight of Mn and optionally up to 0.01% by weight of B, an aluminium-based coating disposed on at least one side of the steel substrate. A coating here has an applied layer weight of 15-30 g/m2. In addition, the coating has an Al base layer consisting of 1.0-15% by weight of Si, optionally 2-4% by weight of Fe, 0.1-5.0% by weight of alkali metals or alkaline earth metals, and optional further constituents, the contents of which are limited to a total of not more than 2.0% by weight, and aluminium as the balance.
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10.发明公开公开(公告)号：US20240133014A1
公开(公告)日：2024-04-25
申请号：US18400261
申请日：2023-12-29
发明人： Maria Köyer , Manuela Ruthenberg , Janko Banik , Ulrich Etzold
IPC分类号： C23C2/12 , C21D9/46 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/14 , C22C38/32 , C23C2/28 , C23C2/40 , C23F15/00
CPC分类号： C23C2/12 , C21D9/46 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/14 , C22C38/32 , C23C2/28 , C23C2/40 , C23F15/00
摘要： A method for manufacturing a sheet metal component including: annealing a flat steel product comprising 0.05-0.5% C, 0.5-3% Mn, 0.06-1.7% Si, ≤0.06% P, ≤0.01% S, ≤1.0% Al, ≤0.15% Ti, ≤0.6% Nb, ≤0.01% B, ≤1.0% Cr, ≤1.0% Mo, ≤1.0% Cr+Mo, ≤0.2% Ca, ≤0.1% V, remainder iron and impurities in a continuous furnace under an atmosphere consisting of 0.1-15% hydrogen and remainder nitrogen with a specific dew point and temperature profile; applying a coating consisting of Ac3 and ≤1000° C. for a time sufficient to introduce a heat energy quantity >100,000-800,000 kJs; hot-forming the flat steel product to form the component; and cooling at least one section of the component at a cooling rate sufficient to generate hardening structures.
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