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1. 发明授权

US06866816B2 Wear and corrosion resistant austenitic iron base alloy 有权
标题翻译：耐磨和耐腐蚀奥氏体铁基合金
公开(公告)号：US06866816B2
公开(公告)日：2005-03-15
申请号：US10639713
申请日：2003-08-12
申请人： Xuecheng Liang , Gary R. Strong
发明人： Xuecheng Liang , Gary R. Strong
IPC分类号： C22C30/00 , C22C33/02 , C22C37/08 , C22C38/06 , C22C38/34 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/56 , C22C38/58
CPC分类号： C22C38/58 , C22C33/0285 , C22C38/04 , C22C38/06 , C22C38/34 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/56 , F01L3/02 , F01L3/04 , F01L2101/00 , F01L2103/00
摘要： A unique austenitic iron base alloy for wear and corrosion resistant applications, characterized by its excellent sulfuric acid corrosion resistance and good sliding wear resistance, is useful for valve seat insert applications when corrosion resistance is required. The alloy comprises 0.7-2.4 wt % carbon, 1.5-4 wt % silicon, 3-9 wt % chromium, less than 6 wt % manganese, 5-20 wt % molybdenum and tungsten combined, with the tungsten comprising not more than ⅓ of the total, 0-4 wt % niobium and vanadium combined, 0-1.5 wt % titanium, 0.01-0.5 wt % aluminum, 12-25 wt % nickel, 0-3 wt % copper, and at least 45 wt % iron.
摘要翻译：用于耐磨和耐腐蚀应用的独特的奥氏体铁基合金，其特征在于其优异的耐硫酸腐蚀性和良好的滑动耐磨性，对于需要耐腐蚀性的阀座插入应用是有用的。合金包含0.7-2.4重量％的碳，1.5-4重量％的硅，3-9重量％的铬，小于6重量％的锰，5-20重量％的钼和钨的组合，其中钨不超过1 / 总计3重量％，合并铌和钒0-4重量％，0-1.5重量％钛，0.01-0.5重量％铝，12-25重量％镍，0-3重量％铜和至少45重量％的铁。

2. 发明授权

US06200688B1 Nickel-iron base wear resistant alloy 失效
标题翻译：镍铁基耐磨合金
公开(公告)号：US06200688B1
公开(公告)日：2001-03-13
申请号：US09062799
申请日：1998-04-20
申请人： Xuecheng Liang , Gary R. Strong
发明人： Xuecheng Liang , Gary R. Strong
IPC分类号： C22C1905
CPC分类号： C22C19/056 , B22F2998/00 , C22C19/055 , C22C30/00 , C22C37/08 , C22C38/02 , C22C38/44 , F01L3/02 , Y10T428/12 , C22C1/04 , C22C32/0052
摘要： A wear resistant alloy is provided having a composition by weight of 1.0-2.5 C, 1.5-4.5 Si, 8.0-20.0 Cr, 9.0-20.0 W and/or Mo, 0.5-2.0 Nb, 20.0-40.0 Fe, and the balance being Ni (>25.0). This alloy provides excellent wear resistance and good hot hardness with relatively low cost compared to prior art nickel base alloys. The alloy has particular use as a valve seat insert materials in diesel fuel internal combustion engines.
摘要翻译：提供耐磨合金，其重量为1.0-2.5℃，1.5-4.5Si，8.0-20.0Cr，9.0-20.0W和/或Mo，0.5-2.0Nb，20.0-40.0Fe，余量为 Ni（> 25.0）。与现有技术的镍基合金相比，该合金具有优异的耐磨性和良好的热硬度，成本相对较低。该合金特别用作柴油机内燃机中的阀座插入材料。

3. 发明授权

US06485678B1 Wear-resistant iron base alloys 有权
标题翻译：耐磨铁基合金
公开(公告)号：US06485678B1
公开(公告)日：2002-11-26
申请号：US09596964
申请日：2000-06-20
申请人： Xuecheng Liang , Gary R. Strong
发明人： Xuecheng Liang , Gary R. Strong
IPC分类号： C22C3822
CPC分类号： F01L3/02 , B22F2998/00 , B23K35/3093 , C22C33/0285 , C22C38/22 , C22C38/30 , C22C38/34 , C22C38/44 , C22C38/52 , C23C30/00 , F01L3/04 , F01L2101/00 , F01L2103/00 , C22C33/0278
摘要： A unique iron base alloy for wear resistant applications, characterized in one aspect by its hardening ability when exposed to a certain temperature range, is useful for valve seat insert applications. The alloy also possesses excellent wear resistance, hot hardness and oxidation resistance. The alloy comprises less than 0.1 wt % carbon; about 18 to about 32 wt % molybdenum, about 6 to about 15 wt % chromium, about 1.5 to about 3% silicon, about 8 to about 15 wt % cobalt and at least 40% iron, with less than 0.5 wt % nickel. In another aspect, for lower temperature applications, the cobalt is optional, the nickel content can be up to 14 wt %, but the molybdenum must be in the range of about 29% to about 36%. In one further aspect, for higher temperature applications, the cobalt is optional, but may be used up to 15 wt %, nickel must be used at a level of between about 3 and about 14 wt %, and the molybdenum will be in the range of about 26 to about 36 wt %.
摘要翻译：用于耐磨应用的独特的铁基合金，其特征在于一个方面当其暴露于一定温度范围时的硬化能力，对于阀座插入应用是有用的。该合金还具有优异的耐磨性，耐热硬度和抗氧化性。该合金包含小于0.1重量％的碳; 约18至约32wt％的钼，约6至约15wt％的铬，约1.5至约3％的硅，约8至约15wt％的钴和至少40％的铁，以及小于0.5wt％的镍。另一方面，对于较低温度的应用，钴是任选的，镍含量可高达14重量％，但钼必须在约29％至约36％的范围内。另一方面，对于较高温度的应用，钴是任选的，但最多可使用15wt％，镍必须以约3至约14wt％的量使用，并且钼将在约26至约36重量％。

4. 发明授权

US5674449A Iron base alloys for internal combustion engine valve seat inserts, and the like 失效
标题翻译：用于内燃机阀座插入件的铁基合金等
公开(公告)号：US5674449A
公开(公告)日：1997-10-07
申请号：US450262
申请日：1995-05-25
申请人： Xuecheng Liang , Gary R. Strong
发明人： Xuecheng Liang , Gary R. Strong
IPC分类号： C22C33/02 , C22C38/24 , C22C38/30 , C22C38/22
CPC分类号： C22C33/0278 , C22C38/24 , C22C38/30
摘要： An iron base alloy having high wear resistance at elevated temperatures with good oxidation resistance contains 1-2.8 wt. % carbon, 3-16 wt. % chromium, 1-8 wt. % vanadium, 0.5-5 wt. % niobium, up to 14 wt. % molybdenum and up to 14 wt. % tungsten, the molybdenum and tungsten combined comprising 6-14 wt. % of the alloy.
摘要翻译：在具有良好抗氧化性的高温下具有高耐磨性的铁基合金含有1-2.8wt。％碳，3-16重量％％铬，1-8wt。％钒，0.5-5重量％％铌，最多14wt。％钼和至多14重量％％钨，组合的钼和钨包含6-14重量％％的合金。

5. 发明授权

US06916444B1 Wear resistant alloy containing residual austenite for valve seat insert 有权
标题翻译：含有用于阀座插入物的残余奥氏体的耐磨合金
公开(公告)号：US06916444B1
公开(公告)日：2005-07-12
申请号：US10074068
申请日：2002-02-12
申请人： Xuecheng Liang
发明人： Xuecheng Liang
IPC分类号： B22F5/02 , C22C30/00 , C22C38/08 , C22C38/12 , C22C38/34 , C22C38/44 , C22C38/56 , F01L3/02
CPC分类号： C22C38/44 , C22C38/02 , C22C38/04 , C22C38/34 , C22C38/46 , C22C38/48 , C22C38/56
摘要： This invention related to a novel iron base alloy using residual austenite to improve wear resistance for valve seat insert material for internal combustion engines. The residual austenite is stable even after heat treatment and liquid nitrogen chilling. The alloy comprises of 2.0-4.0 wt % carbon, 1.0-3.0 wt % silicon, 0-4.0 wt % manganese, 3.0-9.0 wt % chromium, 5.0-15.0 wt % molybdenum, 3.0-15.0 wt % nickel, 0-6.0 wt % vanadium, 0-4.0 wt % niobium, 0-6.0 wt % cobalt, and the balance being iron with impurities.
摘要翻译：本发明涉及一种使用残余奥氏体的新型铁基合金，以改善用于内燃机的阀座插入材料的耐磨性。残余奥氏体即使在热处理和液氮冷却后也是稳定的。该合金包括2.0-4.0重量％的碳，1.0-3.0重量％的硅，0-4.0重量％的锰，3.0-9.0重量％的铬，5.0-15.0重量％的钼，3.0-15.0重量％的镍，0-6.0重量％％钒，0-4.0重量％铌，0-6.0重量％钴，余量为铁与杂质。

6. 发明授权

US07754142B2 Acid resistant austenitic alloy for valve seat inserts 有权
标题翻译：用于阀座插入件的耐酸奥氏体合金
公开(公告)号：US07754142B2
公开(公告)日：2010-07-13
申请号：US11735286
申请日：2007-04-13
申请人： Xuecheng Liang
发明人： Xuecheng Liang
IPC分类号： C22C38/36 , C22C38/42 , C22C38/44 , C22C38/00 , C22C38/48 , C22C38/50 , C22C38/40 , C22C38/12 , C22C38/18 , C21D5/00
CPC分类号： C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/56
摘要： A high-carbon austenitic iron-base alloy with good corrosion and wear resistance, particularly useful for valve seat insert applications when corrosion resistance is required, comprises about 1.8-3.5 wt % carbon, about 12-24 wt % chromium, about 0.5-4 wt % silicon, about 12-25 wt % nickel, about 2-12 wt % molybdenum and tungsten combined, about 0.05-4 wt % niobium and vanadium combined, about 0-1 wt % titanium, about 0.01-0.2 wt % aluminum, about 0.05-3 wt % copper, and less than 1.5 wt % manganese, with the balance being iron and a small amount of impurities.
摘要翻译：具有良好耐蚀性和耐磨性的高碳奥氏体铁基合金，特别适用于需要耐腐蚀性的阀座插入件，其含有约1.8-3.5重量％的碳，约12-24重量％的铬，约0.5-4 约12-25重量％的镍，约2-12重量％的钼和钨的组合，约0.05-4重量％的铌和钒的组合，约0-1重量％的钛，约0.01-0.2重量％的铝，约0.05-3重量％的铜和小于1.5重量％的锰，余量为铁和少量的杂质。

7. 发明申请

US20080253918A1 ACID RESISTANT AUSTENITIC ALLOY FOR VALVE SEAT INSERTS 有权
标题翻译：用于阀座座的耐酸奥氏体合金
公开(公告)号：US20080253918A1
公开(公告)日：2008-10-16
申请号：US11735286
申请日：2007-04-13
申请人： Xuecheng Liang
发明人： Xuecheng Liang
IPC分类号： C22C38/56 , C22C38/36 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50
CPC分类号： C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/56
摘要： A high-carbon austenitic iron-base alloy with good corrosion and wear resistance, particularly useful for valve seat insert applications when corrosion resistance is required, comprises about 1.8-3.5 wt % carbon, about 12-24 wt % chromium, about 0.5-4 wt % silicon, about 12-25 wt % nickel, about 2-12 wt % molybdenum and tungsten combined, about 0.05-4 wt % niobium and vanadium combined, about 0-1 wt % titanium, about 0.01-0.2 wt % aluminum, about 0.05-3 wt % copper, and less than 1.5 wt % manganese, with the balance being iron and a small amount of impurities.
摘要翻译：具有良好耐蚀性和耐磨性的高碳奥氏体铁基合金，特别适用于需要耐腐蚀性的阀座插入件，其含有约1.8-3.5重量％的碳，约12-24重量％的铬，约0.5-4 约12-25重量％的镍，约2-12重量％的钼和钨的组合，约0.05-4重量％的铌和钒的组合，约0-1重量％的钛，约0.01-0.2重量％的铝，约0.05-3重量％的铜和小于1.5重量％的锰，余量为铁和少量杂质。

8. 发明授权

US07611590B2 Wear resistant alloy for valve seat insert used in internal combustion engines 有权
标题翻译：用于内燃机的阀座插件耐磨合金
公开(公告)号：US07611590B2
公开(公告)日：2009-11-03
申请号：US11159548
申请日：2005-06-23
申请人： Xuecheng Liang
发明人： Xuecheng Liang
IPC分类号： C22C38/44 , C21D9/00
CPC分类号： C22C38/44 , B22F5/008 , C22C33/0285 , C22C38/02 , C22C38/04 , C22C38/34 , C22C38/46 , C22C38/56 , F01L3/02 , F01L2101/00 , F01L2820/01
摘要： This invention related to a high carbon and high molybdenum/tungsten martenisitic type iron base alloy with excellent hot hardness and wear resistance for making valve seat insert. The alloy comprises of 2.05-3.60 wt % carbon, 0.1-3.0 wt % silicon, 0-2.0 wt % manganese, 3.0-10.0 wt % chromium, 11.0-25.0 wt % molybdenum and tungsten, 0.1-6.5 wt % nickel, 0-8.0 wt % vanadium, 0-6.0 wt % niobium, 0-8.0 wt % cobalt, and the balance being iron with impurities.
摘要翻译：本发明涉及一种具有优异的耐热硬度和耐磨性的高碳钼钨钨合金铁基合金，用于制作阀座插件。该合金包括2.05-3.60重量％的碳，0.1-3.0重量％的硅，0-2.0重量％的锰，3.0-10.0重量％的铬，11.0-25.0重量％的钼和钨，0.1-6.5重量％的镍， 8.0重量％钒，0-6.0重量％铌，0-8.0重量％钴，余量为铁与杂质。

9. 发明申请

US20070086910A1 Acid resistant austenitic alloy for valve seat insert 审中-公开
标题翻译：耐酸奥氏体合金阀座插件
公开(公告)号：US20070086910A1
公开(公告)日：2007-04-19
申请号：US11251308
申请日：2005-10-14
申请人： Xuecheng Liang
发明人： Xuecheng Liang
IPC分类号： C22C37/06
CPC分类号： C22C38/42 , B22F5/008 , C22C33/0285 , C22C38/04 , C22C38/06 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/56 , F01L3/02 , F01L2101/00
摘要： A high carbon austenitic iron base alloy for wear and corrosion resistant applications is developed for valve seat insert applications when corrosion resistance is required. The alloy comprises 1.8-2.8 wt % carbon, 0.5-3.5 wt % silicon, 10.0-25.0 wt % chromium, less than 1.5 wt % manganese, 2.0-10.0 wt % molybdenum and tungsten combined, 1.0-4.0 wt % niobium and vanadium combined, 0-1.0 wt % titanium, 0.01-0.2 wt % aluminum, 12-25 wt % nickel, 0.5-3.0 wt % copper, and the balance being iron and a small amount of impurities.
摘要翻译：开发了用于耐磨和耐腐蚀应用的高碳奥氏体铁基合金，用于需要耐腐蚀性的阀座插入件。该合金包含1.8-2.8重量％的碳，0.5-3.5重量％的硅，10.0-25.0重量％的铬，小于1.5重量％的锰，2.0-10.0重量％的钼和钨的组合，1.0-4.0重量％的铌和钒的组合，0-1.0重量％的钛，0.01-0.2重量％的铝，12-25重量％的镍，0.5-3.0重量％的铜，余量为铁和少量的杂质。

10. 发明申请

US20060283526A1 Wear resistant alloy for valve seat insert used in internal combustion engines 有权
公开(公告)号：US20060283526A1
公开(公告)日：2006-12-21
申请号：US11159548
申请日：2005-06-23
申请人： Xuecheng Liang
发明人： Xuecheng Liang
IPC分类号： C22C37/06
CPC分类号： C22C38/44 , B22F5/008 , C22C33/0285 , C22C38/02 , C22C38/04 , C22C38/34 , C22C38/46 , C22C38/56 , F01L3/02 , F01L2101/00 , F01L2820/01
摘要： This invention related to a high carbon and high molybdenum/tungsten martenisitic type iron base alloy with excellent hot hardness and wear resistance for making valve seat insert. The alloy comprises of 2.05-3.60 wt % carbon, 0.1-3.0 wt % silicon, 0-2.0 wt % manganese, 3.0-10.0 wt % chromium, 11.0-25.0 wt % molybdenum and tungsten, 0.1-6.5 wt % nickel, 0-8.0 wt % vanadium, 0-6.0 wt % niobium, 0-8.0 wt % cobalt, and the balance being iron with impurities.

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