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公开(公告)号：US20180204677A1
公开(公告)日：2018-07-19
申请号：US15742456
申请日：2016-06-29
发明人： Tuncay CELIK
CPC分类号： H01F41/0293 , C22C33/025 , C22C38/005 , C22C2200/04 , H01F1/0577
摘要： Magnets and systems, methods, and techniques for manufacturing magnets are provided. In some embodiments, methods of manufacturing magnets comprise providing a rare earth magnetic body, cold spray depositing a layer of dysprosium or terbium onto the magnetic body to form a magnet, and heat-treating the magnet. Some embodiments provide a magnet comprising a magnetic body and a layer of dysprosium or terbium. In some embodiments, the magnetic body contains grains of rare earth magnet alloy, and the layer of dysprosium or terbium is deposited onto a surface of the magnetic body by a cold spray process.
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公开(公告)号：US09581056B2
公开(公告)日：2017-02-28
申请号：US14361182
申请日：2012-06-14
申请人： Yoshio Koyama , Fusanobu Hanada , Shohtaroh Hara
发明人： Yoshio Koyama , Fusanobu Hanada , Shohtaroh Hara
CPC分类号： F01L3/02 , B22F5/008 , B22F5/106 , C22C33/025 , C22C33/0278 , C22C33/0292 , F01L3/22 , F01L2101/00
摘要： Provided is a valve seat having excellent strength and wear resistance. In a valve seat using an iron-based sintered alloy, an oxide mains composed of triiron tetroxide is formed by oxidation treatment on the surface and interior of the iron-based sintered alloy, and the average area ratio of the oxide mainly composed of triiron tetroxide in a cross section of the iron-based, sintered alloy in the state prior to installation on a cylinder head is 5 to 20%. Preferably, the iron-based sintered alloy contains hard particles formed from at least one compound of carbides, silicides, nitrides, borides, and intermetallic compounds containing one or more elements selected from groups 4a to 6a of the periodic table, and the average area ratio of the hard particles in the cross section of the iron-based sintered alloy in the state prior to installation on a cylinder head is 5 to 45%.
摘要翻译： 具有优异的强度和耐磨性的阀座。 在使用铁基烧结合金的阀座中，通过在铁基烧结合金的表面和内部进行氧化处理形成由四氧化三铁组成的氧化物主链，主要由四氧化三铁组成的氧化物的平均面积比 在安装在气缸盖上的状态下的铁基烧结合金的截面为5〜20％。 优选地，铁基烧结合金含有由至少一种碳化物，硅化物，氮化物，硼化物和含有选自元素周期表4a至6a族中的一种或多种元素的金属间化合物形成的硬颗粒，平均面积比 在安装在气缸盖上的状态下的铁基烧结合金的横截面中的硬质颗粒为5〜45％。
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3.发明公开公开(公告)号：US20230271224A1
公开(公告)日：2023-08-31
申请号：US18300948
申请日：2023-04-14
发明人： Frank Winter , Hermann Sickel , Wilhelm Fernengel
IPC分类号： B07B13/00 , B22F3/12 , H01F1/057 , B22F3/24 , B22F9/04 , B07B13/04 , C22C28/00 , H01F1/053 , B22F1/052 , H01F41/02
CPC分类号： B07B13/003 , B07B13/04 , B22F1/052 , B22F3/12 , B22F3/24 , B22F9/04 , C22C28/00 , H01F1/0536 , H01F1/0577 , H01F41/0246 , H01F41/0253 , B22F2009/044 , C22C33/025
摘要： A method for producing a powdered starting material, which is provided for production of rare earth magnets, including the following steps: pulverizing an alloy, including at least one rare earth metal, wherein a powdered intermediate product is formed from the alloy including at least one rare earth metal, and carrying out at least one classification aimed at particle size and/or density for the powdered intermediate product, wherein a fraction of the powdered intermediate product, which is formed by means of the at least one classification, for fabrication of rare earth magnets. Furthermore, at least one dynamic classifier is provided, implementing at least one classification directed at particle size and/or density for the powdered intermediate product and thereby separates the fraction from the powdered intermediate product, which forms the starting material provided for manufacturing rare earth magnets.
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公开(公告)号：US08603213B1
公开(公告)日：2013-12-10
申请号：US12072298
申请日：2008-02-25
申请人： Iver E. Anderson , Joel Rieken
发明人： Iver E. Anderson , Joel Rieken
CPC分类号： B22F9/082 , B22F2009/0888 , B22F2009/0896 , B22F2999/00 , C22C1/056 , C22C32/0015 , C22C32/0047 , C22C33/025 , B22F2201/11 , B22F2201/03 , B22F2201/02 , B22F2201/30
摘要： A method of making dispersion-strengthened alloy particles involves melting an alloy having a corrosion and/or oxidation resistance-imparting alloying element, a dispersoid-forming element, and a matrix metal wherein the dispersoid-forming element exhibits a greater tendency to react with an introduced reactive species than does the alloying element and wherein one or more atomizing parameters is/are modified to controllably reduce the amount of the reactive species, such as oxygen, introduced into the atomized particles so as to reduce anneal times and improve reaction (conversion) to the desired strengthening dispersoids in the matrix. The atomized alloy particles are solidified as solidified alloy particles or as a solidified deposit of alloy particles. Bodies made from the dispersion strengthened alloy particles, deposit thereof, exhibit enhanced fatigue and creep resistance and reduced wear as well as enhanced corrosion and/or oxidation resistance at high temperatures by virtue of the presence of the corrosion and/or oxidation resistance imparting alloying element in solid solution in the particle alloy matrix.
摘要翻译： 制造分散强化合金颗粒的方法包括熔化具有腐蚀和/或抗氧化性赋予合金元素，分散质形成元素和基质金属的合金，其中分散质形成元素表现出更大的与 引入反应性物质，并且其中一个或多个雾化参数被修饰以可控地减少引入到雾化颗粒中的反应物质如氧的量，以减少退火时间并改善反应（转化） 到基质中所需的强化分散体。 雾化的合金颗粒作为固化合金颗粒固化，或作为合金颗粒的固化沉积物固化。 由分散强化的合金颗粒，其沉积物，由于存在耐腐蚀和/或抗氧化性赋予的合金元素，在高温下表现出增强的疲劳和抗蠕变性和降低的磨损以及增强的耐腐蚀和/或耐氧化性。 在颗粒合金基质中的固溶体。
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5.发明授权公开(公告)号：US11660639B2
公开(公告)日：2023-05-30
申请号：US16035154
申请日：2018-07-13
发明人： Frank Winter , Hermann Sickel , Wilhelm Femengel
IPC分类号： B22F1/052 , B07B13/00 , B22F9/04 , B07B13/04 , H01F41/02 , B22F3/12 , H01F1/057 , B22F3/24 , C22C28/00 , H01F1/053 , C22C1/05 , C22C33/02 , B02C15/00 , B04C5/00
CPC分类号： B22F1/052 , B07B13/003 , B07B13/04 , B22F3/12 , B22F3/24 , B22F9/04 , C22C1/058 , C22C28/00 , H01F1/0536 , H01F1/0577 , H01F41/0246 , H01F41/0253 , B02C2015/002 , B04C5/00 , B22F2009/044 , B22F2999/00 , C22C33/025 , C22C2202/02 , H01F41/0266 , B22F2999/00 , C22C33/025 , C22C2202/02 , B22F1/052
摘要： A method for producing a powdered starting material, which is provided for production of rare earth magnets, including includes the following steps: pulverizing an alloy, including at least one rare earth metal, wherein a powdered intermediate product is formed from the alloy including the at least one rare earth metal, and carrying out at least one classification aimed at particle size and/or particle density for the powdered intermediate product. A fraction of the powdered intermediate product, which is formed by the at least one classification, is used for fabrication of rare earth magnets. Furthermore, at least one dynamic classifier is provided, implementing at least one classification directed at particle size and/or particle density for the powdered intermediate product and thereby separates the fraction from the powdered intermediate product, which forms the starting material for manufacturing rare earth magnets.
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公开(公告)号：US10056177B2
公开(公告)日：2018-08-21
申请号：US14610229
申请日：2015-01-30
发明人： Noritsugu Sakuma , Tetsuya Shoji , Kazuaki Haga
CPC分类号： H01F1/0577 , B22F1/0044 , B22F3/10 , B22F3/24 , B22F3/26 , B22F2009/048 , B22F2998/10 , B22F2999/00 , C22C33/025 , C22C33/0257 , C22C38/001 , C22C38/002 , C22C38/005 , C22C38/10 , C22C2202/02 , H01F1/0557 , H01F41/0266 , H01F41/0293 , B22F3/02
摘要： The present invention is a method capable of producing a rare-earth magnet with excellent magnetization and coercivity. The method includes producing a sintered body including a main phase and grain boundary phase and represented by (R11-xR2x)aTMbBcMd (where R1 represents one or more rare-earth elements including Y, R2 represents a rare-earth element different than R1, TM represents transition metal including at least one of Fe, Ni, or Co, B represents boron, M represents at least one of Ti, Ga, Zn, Si, Al, etc., 0.01≤x≤1, 12≤a≤20, b=100−a−c−d, 5≤c≤20, and 0≤d≤3 (all at %)); applying hot deformation processing to the sintered body to produce a precursor of the magnet; and diffusing/infiltrating melt of a R3-M modifying alloy (rare-earth element where R3 includes R1 and R2) into the grain boundary phase of the precursor.
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公开(公告)号：US20150047596A1
公开(公告)日：2015-02-19
申请号：US14361182
申请日：2012-06-14
申请人： Yoshio Koyama , Fusanobu Hanada , Shohtaroh Hara
发明人： Yoshio Koyama , Fusanobu Hanada , Shohtaroh Hara
CPC分类号： F01L3/02 , B22F5/008 , B22F5/106 , C22C33/025 , C22C33/0278 , C22C33/0292 , F01L3/22 , F01L2101/00
摘要： Provided is a valve seat having excellent strength and wear resistance. In a valve seat using an iron-based sintered alloy, an oxide mains composed of triiron tetroxide is formed by oxidation treatment on the surface and interior of the iron-based sintered alloy, and the average area ratio of the oxide mainly composed of triiron tetroxide in a cross section of the iron-based, sintered alloy in the state prior to installation on a cylinder head is 5 to 20%. Preferably, the iron-based sintered alloy contains hard particles formed from at least one compound of carbides, silicides, nitrides, borides, and intermetallic compounds containing one or more elements selected from groups 4a to 6a of the periodic table, and the average area ratio of the hard particles in the cross section of the iron-based sintered alloy in the state prior to installation on a cylinder head is 5 to 45%.
摘要翻译： 具有优异的强度和耐磨性的阀座。 在使用铁基烧结合金的阀座中，通过在铁基烧结合金的表面和内部进行氧化处理形成由四氧化三铁组成的氧化物主链，主要由四氧化三铁组成的氧化物的平均面积比 在安装在气缸盖上的状态下的铁基烧结合金的截面为5〜20％。 优选地，铁基烧结合金含有由至少一种碳化物，硅化物，氮化物，硼化物和含有选自元素周期表4a至6a族中的一种或多种元素的金属间化合物形成的硬颗粒，平均面积比 在安装在气缸盖上的状态下的铁基烧结合金的横截面中的硬质颗粒为5〜45％。
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