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公开(公告)号：US10053764B2
公开(公告)日：2018-08-21
申请号：US14422726
申请日：2013-08-19
申请人： AKTIEBOLAGET SKF
IPC分类号： C23C8/32 , C21D1/06 , C21D9/36 , C23C8/80 , C23C8/34 , C21D9/40 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/22 , C23C8/56 , C23F17/00
CPC分类号： C23C8/32 , C21D1/06 , C21D9/36 , C21D9/40 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/22 , C23C8/34 , C23C8/56 , C23C8/80 , C23F17/00
摘要： A method for heat treating a steel component, which comprises the steps of: (a) carbonitriding the steel component, and (b) austenitically nitrocarburizing the steel component.
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公开(公告)号：US09834837B2
公开(公告)日：2017-12-05
申请号：US14422738
申请日：2013-08-19
申请人： AKTIEBOLAGET SKF
发明人： Staffan Larsson , Walter Datchary , Peter Neuman
摘要： A method for heat treating a steel component, which comprises the steps of: (a) carburizing the steel component with a carbon potential above 1.0, (b) carburizing the steel component with a carbon potential above 0.6, (c) quenching the steep component, and (d) subjecting the steel component to a bainitic treatment.
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公开(公告)号：US20170081738A1
公开(公告)日：2017-03-23
申请号：US15311412
申请日：2015-06-05
申请人： Aktiebolaget SKF
CPC分类号： C21D9/36 , C21D1/06 , C21D1/10 , C21D1/42 , C21D9/38 , C21D9/40 , C22C38/44 , C23C8/22 , C23C8/32 , C23C8/80 , F16C33/64 , F16C2223/12 , F16C2223/16 , F16C2223/18 , Y02P10/253
摘要： A method for surface hardening at least one part of a surface of a metal component is provided. The steps include a) enriching the at least one part of a surface of a metal component with at least one of carbon and nitrogen, and b) induction hardening the at least one part of the surface of the metal component.
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公开(公告)号：US11821465B2
公开(公告)日：2023-11-21
申请号：US17673942
申请日：2022-02-17
申请人： AKTIEBOLAGET SKF
发明人： Feizhou Zhang , Staffan Larsson
CPC分类号： F16C33/62 , C21D9/38 , F16C33/34 , F16C2204/72 , F16C2223/12 , F16C2223/16
摘要： An inner ring or and outer ring for a roller bearing includes: 0.30-0.45 wt. % carbon, 0.1-0.7 wt. % silicon, 0.6-0.9 wt. % manganese, 0.9-1.2 wt. % chromium, 0.15-0.7 wt. % molybdenum, 0-2.0 wt. % nickel, 0-0.02 wt. % phosphorus, and 0-0.02 wt. % sulfur, the balance being iron and unavoidable impurities. The microstructure of the steel composition contains bainite, and a carbonitrided case layer is provided on a surface of the inner ring or outer ring.
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公开(公告)号：US20150225835A1
公开(公告)日：2015-08-13
申请号：US14422722
申请日：2013-08-19
申请人： AKTIEBOLAGET SKF
CPC分类号： C23C8/80 , C21D1/06 , C21D1/18 , C21D9/36 , C21D9/38 , C21D9/40 , C22C38/00 , C23C8/32 , C23C8/56 , C23C8/76
摘要： A method for heat treating a steel component, the method comprising steps of: (a) carbonitriding the steel component and (b) ferritically nitrocarburizing the steel component.
摘要翻译： 一种钢组件热处理方法，所述方法包括以下步骤：（a）对所述钢组分进行碳氮共渗和（b）对所述钢组分进行铁氧体碳氮共渗。
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公开(公告)号：US20220268315A1
公开(公告)日：2022-08-25
申请号：US17673942
申请日：2022-02-17
申请人： AKTIEBOLAGET SKF
发明人： Feizhou Zhang , Staffan Larsson
摘要： An inner ring or and outer ring for a roller bearing includes: 0.30-0.45 wt. % carbon, 0.1-0.7 wt. % silicon, 0.6-0.9 wt. % manganese, 0.9-1.2 wt. % chromium, 0.15-0.7 wt. % molybdenum, 0-2.0 wt. % nickel, 0-0.02 wt. % phosphorus, and 0 -0.02 wt. % sulfur, the balance being iron and unavoidable impurities. The microstructure of the steel composition contains bainite, and a carbonitrided case layer is provided on a surface of the inner ring or outer ring.
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公开(公告)号：US09828664B2
公开(公告)日：2017-11-28
申请号：US14422722
申请日：2013-08-19
IPC分类号： C23C8/32 , C21D1/06 , C23C8/80 , C21D9/36 , C21D9/38 , C21D9/40 , C21D1/18 , C22C38/00 , C23C8/56 , C23C8/76
CPC分类号： C23C8/80 , C21D1/06 , C21D1/18 , C21D9/36 , C21D9/38 , C21D9/40 , C22C38/00 , C23C8/32 , C23C8/56 , C23C8/76
摘要： A method for heat treating a steel component, the method comprising steps of: (a) carbonitriding the steel component and (b) ferritically nitrocarburizing the steel component.
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8.发明申请公开(公告)号：US20160348206A1
公开(公告)日：2016-12-01
申请号：US15163729
申请日：2016-05-25
申请人： Aktiebolaget SKF
发明人： Staffan Larsson
IPC分类号： C21D9/40 , C21D8/10 , C21D1/613 , C21D1/607 , C21D1/60 , C21D1/78 , B23K11/04 , C22C38/60 , C22C38/50 , C22C38/44 , C22C38/42 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00 , C21D9/50
CPC分类号： C21D9/40 , B23K11/04 , B23K11/16 , B23K2101/20 , B23K2103/04 , C21D1/60 , C21D1/607 , C21D1/613 , C21D1/785 , C21D8/105 , C21D9/505 , C21D2211/002 , C21D2211/009 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/50 , C22C38/60
摘要： The present disclosure relates to a method for restoring a steel structure for a steel component, such as a soft annealed steel component, a welding joint comprising the steps of welding the steel component to form a welding joint, quenching the steel component to a temperature of above the martensite start temperature (Ms) and maintaining the steel component at that temperature for a holding time sufficient for transformation of all austenite, re-heating the steel component to a temperature of 950 to 1110° C., quenching the steel component to a temperature of above the martensite start temperature (Ms) to form bainite, and maintaining the steel component at that temperature for a holding time sufficient for transformation of all austenite to bainite, re-heating the steel component to a temperature of at least 580° C. but below the Ac1 transformation temperature, and maintaining the steel component at that temperature for a holding time sufficient for the steel component to exhibit Brinell hardness number of between 215 and 320 HB10/3000, and cooling the steel component.
摘要翻译： 本公开涉及一种用于恢复诸如软质退火钢部件的钢部件的钢结构的方法，焊接接头包括以下步骤：焊接钢部件以形成焊接接头，将钢部件淬火至 高于马氏体开始温度（Ms），并将钢组分在该温度下保持足以转化所有奥氏体的保持时间，将钢组分再加热至950至1110℃的温度，将钢组分淬火至 高于马氏体开始温度（Ms）的温度以形成贝氏体，并将钢组分在该温度下保持足以将所有奥氏体转变成贝氏体的保持时间，将钢组分再加热至至少580℃的温度 但低于Ac1转变温度，并将钢组分保持在该温度下保持足以使钢组分显示B的保持时间 雷氏硬度在215〜320 HB10 / 3000之间，冷却钢组件。
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公开(公告)号：US20180073113A1
公开(公告)日：2018-03-15
申请号：US15695648
申请日：2017-09-05
发明人： Mohamed Sherif , John Beswick , Staffan Larsson , Yves Maheo
IPC分类号： C22C38/52 , F16C33/62 , F16C33/64 , C22C38/46 , C22C38/44 , C22C38/04 , C22C38/02 , C22C38/48 , C23C8/22 , C21D1/06 , C21D9/40
CPC分类号： C22C38/52 , C21D1/06 , C21D9/40 , C21D2211/001 , C22C38/02 , C22C38/04 , C22C38/44 , C22C38/46 , C22C38/48 , C23C8/22 , F16C33/303 , F16C33/62 , F16C33/64 , F16C2204/62 , F16C2204/72 , F16C2206/40 , F16C2223/16
摘要： A steel alloy for a bearing, the alloy having a composition having from 0.04 to 0.1 wt. % carbon, from 10.5 to 13 wt. % chromium, from 1.5 to 3.75 wt. % molybdenum, from 0.3 to 1.2 wt. % vanadium, from 0.3 to 2.0 wt .% nickel, from 6 to 9 wt. % cobalt, from 0.05 to 0.4 wt. % silicon, from 0.2 to 0.8 wt. % manganese, from 0.02 to 0.06 wt. % niobium, from 0 to 2.5 wt. % copper, from 0 to 0.1 wt. % aluminium, from 0 to 250 ppm nitrogen, from 0 to 30 ppm boron, and the balance iron, together with any unavoidable impurities.
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公开(公告)号：US20150240341A1
公开(公告)日：2015-08-27
申请号：US14422726
申请日：2013-08-19
申请人： AKTIEBOLAGET SKF
IPC分类号： C23C8/32 , C23F17/00 , C21D9/40 , C21D9/36 , C22C38/00 , C22C38/08 , C22C38/06 , C22C38/04 , C22C38/02 , C23C8/56 , C22C38/22
CPC分类号： C23C8/32 , C21D1/06 , C21D9/36 , C21D9/40 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/22 , C23C8/34 , C23C8/56 , C23C8/80 , C23F17/00
摘要： A method for heat treating a steel component, which comprises the steps of: (a) carbonitriding the steel component, and (b) austenitically nitrocarburizing the steel component.
摘要翻译： 一种钢组分热处理方法，包括以下步骤：（a）对钢组分进行碳氮共渗，（b）对钢组分进行奥氏体氮碳共渗。
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