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公开(公告)号：US11181014B2
公开(公告)日：2021-11-23
申请号：US16352204
申请日：2019-03-13
发明人： Yuki Kamo , Kimihiko Ando
摘要： Provided is cladding alloy powder that can keep enough corrosion resistance of the cladding portion on the engine valve and can suppress adherence of the cladding portion to the valve seat. Cladding alloy powder is to form a cladding portion at an engine valve that comes in contact with a valve seat of an engine. The cladding alloy powder includes 22 to 27 mass % of Cr; 10 to 30 mass % of Mo; 2.0 to 6.0 mass % of W; 0.40 to 1.30 mass % of C; 3.0 mass % or less of Si; 15.0 mass % or less of Ni; 30.0 mass % or less of Fe; and 0.4 mass % or less of S as well as Co and unavoidable impurity as a remainder, and satisfies Cr(−0.53C+1.2)+Mo(−1.2C+2.8)≥24 and 23W+2.7Mo≥73.
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公开(公告)号：US10190195B2
公开(公告)日：2019-01-29
申请号：US14856628
申请日：2015-09-17
发明人： Kimihiko Ando , Nobuyuki Shinohara
摘要： According the present invention, an alloy powder for overlay welding that prevents generation of gas defects in a weld overlay alloy in order to improve the toughness and wear resistance of the weld overlay alloy is provided. The alloy powder is an alloy powder for overlay welding on a steel surface containing nitrogen, which is characterized in that it contains 30% to 45% by mass of Mo, 10% to 30% by mass of Ni, 0.2% to 0.6% by mass of C, and 0.30% to 2.0% by mass of Al, with the balance made up of incidental impurities and Co.
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公开(公告)号：US09988699B2
公开(公告)日：2018-06-05
申请号：US15858573
申请日：2017-12-29
发明人： Kimihiko Ando , Nobuyuki Shinohara
CPC分类号： C22C33/0278 , B22F3/12 , B22F2201/02 , B22F2998/10 , B22F2999/00 , C22C1/045 , C22C27/04 , C22C33/0207 , C22C38/04 , C22C38/12 , B22F9/082 , B22F1/0003 , B22F3/02 , B22F3/1007 , B22F9/04
摘要： Hard particles are incorporated as a starting material in a sintered alloy. The hard particles may contain 20 to 60 mass % Mo, 3 to 15 mass % Mn, and more than 0.01 to 0.5 mass % C, the balance being Fe and unavoidable impurities.
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公开(公告)号：US10213830B2
公开(公告)日：2019-02-26
申请号：US15412597
申请日：2017-01-23
摘要： A sintered alloy is produced from mixed powder containing first hard particles, second hard particles, graphite particles, and iron particles. The first hard particles are Fe—Mo—Ni—Co—Mn—Si—C-based alloy particles, the second hard particles are Fe—Mo—Si-based alloy particles, the mixed powder contains 5 to 50 mass % of the first hard particles, 1 to 8 mass % of the second hard particles, and 0.5 to 1.5 mass % of the graphite particles, when total mass of the first hard particles, the second hard particles, the graphite particles, and the iron particles is set as 100 mass %.
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5.发明申请公开(公告)号：US20150211097A1
公开(公告)日：2015-07-30
申请号：US14423805
申请日：2013-10-30
发明人： Kimihiko Ando , Nobuyuki Shinohara
CPC分类号： C22C33/0278 , B22F3/12 , B22F2201/02 , B22F2998/10 , B22F2999/00 , C22C1/045 , C22C27/04 , C22C33/0207 , C22C38/04 , C22C38/12 , B22F9/082 , B22F1/0003 , B22F3/02 , B22F3/1007 , B22F9/04
摘要： Hard particles are incorporated as a starting material in a sintered alloy. The hard particles contain 20 to 60 mass % Mo and 3 to 15 mass % Mn, the balance being Fe and unavoidable impurities.
摘要翻译： 硬质颗粒作为原料掺入烧结合金中。 硬质粒子含有20〜60质量％的Mo和3〜15质量％的Mn，余量为Fe和不可避免的杂质。
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公开(公告)号：US10260128B2
公开(公告)日：2019-04-16
申请号：US15430707
申请日：2017-02-13
摘要： Provided is a copper-base alloy with excellent wear resistance. The wear-resistant copper-base alloy includes, by mass %: 5.0 to 30.0% nickel; 0.5 to 5.0% silicon; 3.0 to 20.0% iron; less than 1.0% chromium; less than or equal to 5.0% niobium; less than or equal to 2.5% carbon; 3.0 to 20.0% of at least one element selected from the group consisting of molybdenum, tungsten, and vanadium; 0.5 to 5.0% manganese and/or 0.5 to 5.0% tin; balance copper; and inevitable impurities, and has a matrix and hard particles dispersed in the matrix, when niobium is contained, the hard particles contain niobium carbide and at least one compound selected from the group consisting of Nb—C—Mo, Nb—C—W, and Nb—C—V around the niobium carbide, and when niobium is not contained, the hard particles contain at least one compound selected from the group consisting of molybdenum carbide, tungsten carbide, and vanadium carbide.
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公开(公告)号：US09950369B2
公开(公告)日：2018-04-24
申请号：US15421787
申请日：2017-02-01
发明人： Nobuyuki Shinohara , Kimihiko Ando , Yoshihisa Ueda , Yusaku Yoshida , Masaru Sugimoto , Toshiyuki Sawada , Shingo Fukumoto
IPC分类号： B22F7/00 , B22F3/16 , C22C38/38 , C22C27/04 , C22C38/04 , C22C38/02 , C22C38/22 , B32B15/18 , B32B15/01 , C22C27/06 , C22C1/05 , C22C1/04 , C22C29/02 , C22C38/00 , C22C1/10 , C22C45/10 , C22C45/02 , C22C30/00 , C22C38/12 , C22C38/44
CPC分类号： B22F7/008 , B22F3/16 , B22F5/106 , B22F2301/35 , B22F2302/40 , B22F2304/10 , B22F2998/10 , B22F2999/00 , B32B15/01 , B32B15/18 , C22C1/04 , C22C1/05 , C22C1/051 , C22C1/053 , C22C1/055 , C22C1/10 , C22C27/04 , C22C27/06 , C22C29/02 , C22C30/00 , C22C33/0285 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/12 , C22C38/22 , C22C38/38 , C22C38/44 , C22C45/02 , C22C45/10 , Y10T428/12028 , Y10T428/12042 , Y10T428/12056 , Y10T428/1209 , Y10T428/12125 , Y10T428/12132 , Y10T428/12139 , Y10T428/12146 , Y10T428/12153 , Y10T428/12229 , Y10T428/12479 , Y10T428/12951 , Y10T428/12958 , Y10T428/12972 , Y10T428/12979 , C22C1/058 , C22C1/045 , B22F1/0003 , B22F3/02 , B22F3/1039
摘要： Mixed powder that contains first hard particles, second hard particles, graphite particles, and iron particles is used to manufacture a sintered alloy. The first hard particle is a Fe—Mo—Cr—Mn based alloy particle, the second hard particle is a Fe—Mo—Si based alloy particle. The mixed powder contains 5 to 50 mass % of the first hard particles, 1 to 8 mass % of the second hard particles, and 0.5 to 1.0 mass % of the graphite particles when total mass of the first hard particles, the second hard particles, the graphite particles, and the iron particles is set as 100 mass %.
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