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公开(公告)号：US10017871B2
公开(公告)日：2018-07-10
申请号：US14625277
申请日：2015-02-18
CPC分类号： C25D7/001 , C25D13/02 , C25D13/22 , C25D13/24 , C25D17/00 , C25D17/02 , C25D17/06 , C25D17/12 , C25D21/12 , H01F41/0293
摘要： An electrodepositing apparatus is provided comprising an inner tank (1) filled with an electrodepositing solution, an outer tank (3), a feedback means (4), a rectifying member (5) disposed in the inner tank (1), a means (8) for holding an article (p), a counter electrode (6), and a power supply (9). The electrodepositing solution is circulated in such a way that it overflows the inner tank and is fed back from the outer tank to the inner tank by the feedback means, the flow of the solution is rectified by the rectifying member to keep flat the solution surface in the inner tank, a selected portion of the article is immersed in the solution, and the coating agent is electrodeposited on the selected portion of the article.
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公开(公告)号：US09845545B2
公开(公告)日：2017-12-19
申请号：US14624779
申请日：2015-02-18
CPC分类号： C25D7/001 , C25D5/34 , C25D5/50 , C25D13/02 , C25D13/12 , C25D13/22 , H01F1/053 , H01F1/0577 , H01F41/005 , H01F41/0293
摘要： A rare earth permanent magnet is prepared by immersing a portion of a sintered magnet body of R1—Fe—B composition (wherein R1 is a rare earth element) in an electrodepositing bath of a powder dispersed in a solvent, the powder comprising an oxide, fluoride, oxyfluoride, hydride or rare earth alloy of a rare earth element, effecting electrodeposition for letting the powder deposit on a region of the surface of the magnet body, and heat treating the magnet body with the powder deposited thereon at a temperature below the sintering temperature in vacuum or in an inert gas.
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公开(公告)号：US20150211139A1
公开(公告)日：2015-07-30
申请号：US14424707
申请日：2013-08-30
CPC分类号： C25D7/001 , B22F3/24 , B22F2003/242 , B22F2003/248 , C21D1/28 , C22C38/002 , C22C38/005 , C22C38/02 , C22C38/06 , C22C38/14 , C25D13/02 , C25D13/22 , H01F1/0536 , H01F1/057 , H01F1/0577 , H01F41/0293
摘要： A production method for a rare earth permanent magnet, wherein: a sintered magnet body comprising an R1—Fe—B composition (R1 represents one or more elements selected from among rare earth elements, including Y and Sc) is immersed in an electrodeposition liquid comprising a slurry obtained by dispersing a powder containing an R2 fluoride (R2 represents one or more elements selected from among rare earth elements, including Y and Sc) in water; an electrodeposition process is used to coat the powder onto the surface of the sintered magnet body; and, in the state in which the powder is present on the surface of the magnet body, the magnet body and the powder are subjected to a heat treatment in a vacuum or an inert gas at a temperature equal to or less than the sintering temperature of the magnet.
摘要翻译： 一种稀土类永磁体的制造方法，其特征在于，将包含R1-Fe-B组合物（R1表示选自稀土元素，Y和Sc中的一种或多种元素）的烧结磁体浸渍在电沉积液中，所述电沉积液包含 通过将含有R 2氟化物（R2表示选自稀土元素，包括Y和Sc的一种或多种元素）的粉末分散在水中而获得的浆料; 使用电沉积工艺将粉末涂覆到烧结磁体的表面上; 并且在磁体表面存在粉末的状态下，将磁体和粉末在真空或惰性气体中以等于或小于烧结温度的温度进行热处理 磁铁。
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公开(公告)号：US10181377B2
公开(公告)日：2019-01-15
申请号：US14424735
申请日：2013-08-30
IPC分类号： H01F41/02 , C21D1/18 , C25D15/00 , C25D5/48 , B22F3/24 , C22C38/00 , C22C38/02 , C22C38/06 , C22C38/14 , C25D13/02 , C25D13/22 , C25D5/34 , C25D7/00 , H01F41/00 , H01F1/057
摘要： A production method for a rare earth permanent magnet, wherein: a sintered magnet body comprising an R1—Fe—B composition (R1 represents one or more elements selected from among rare earth elements, including Y and Sc) is immersed in an electrodeposition liquid obtained by dispersing a powder containing an R2 oxyfluoride and/or an R3 hydride (R2 and R3 represent one or more elements selected from among rare earth elements, including Y and Sc) in a solvent; an electrodeposition process is used to coat the powder onto the surface of the sintered magnet body; and, in the state in which the powder is present on the surface of the magnet body, the magnet body and the powder are subjected to a heat treatment in a vacuum or an inert gas at a temperature equal to or less than the sintering temperature of the magnet.
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5.发明申请公开(公告)号：US20150233007A1
公开(公告)日：2015-08-20
申请号：US14625277
申请日：2015-02-18
CPC分类号： C25D7/001 , C25D13/02 , C25D13/22 , C25D13/24 , C25D17/00 , C25D17/02 , C25D17/06 , C25D17/12 , C25D21/12 , H01F41/0293
摘要： An electrodepositing apparatus is provided comprising an inner tank (1) filled with an electrodepositing solution, an outer tank (3), a feedback means (4), a rectifying member (5) disposed in the inner tank (1), a means (8) for holding an article (p), a counter electrode (6), and a power supply (9). The electrodepositing solution is circulated in such a way that it overflows the inner tank and is fed back from the outer tank to the inner tank by the feedback means, the flow of the solution is rectified by the rectifying member to keep flat the solution surface in the inner tank, a selected portion of the article is immersed in the solution, and the coating agent is electrodeposited on the selected portion of the article.
摘要翻译： 提供一种电沉积装置，其包括填充有电沉积溶液的内罐（1），外罐（3），反馈装置（4），设置在内罐（1）中的整流构件（5） 8），用于保持物品（p），对电极（6）和电源（9）。 电沉积溶液循环，使其溢出内罐，并通过反馈装置从外罐反馈至内罐，溶液流由精整构件整流，以使溶液表面平坦 将内部容器，将选定部分的物品浸入溶液中，并将涂覆剂电沉积在制品的选定部分上。
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公开(公告)号：US20150211138A1
公开(公告)日：2015-07-30
申请号：US14424647
申请日：2013-08-30
CPC分类号： C25D7/001 , B22F3/24 , B22F2003/242 , B22F2003/248 , C21D1/28 , C22C38/002 , C22C38/005 , C22C38/02 , C22C38/06 , C22C38/14 , C25D3/562 , H01F1/0536 , H01F1/057 , H01F1/0577 , H01F41/0293
摘要： A production method for a rare earth permanent magnet, wherein: a sintered magnet body comprising an R1—Fe—B composition (R1 represents one or more elements selected from rare earth elements including Y and Sc) is immersed in an electrodeposition liquid obtained by dispersing a powder containing an R2 oxide (R2 represents one or more elements selected from rare earth elements including Y and Sc) in a solvent; an electrodeposition process is used to coat the powder to the surface of the sintered magnet body; and, in the state in which the powder is present on the surface of the magnet body, the magnet body and the powder are subjected to heat treatment in a vacuum or an inert gas at a temperature equal to or less than the sintering temperature of the magnet.
摘要翻译： 一种稀土永磁体的制造方法，其特征在于，将包含R1-Fe-B组合物（R1表示从Y和Sc的稀土元素中选出的一种以上的元素）的烧结磁体浸渍在通过分散得到的电沉积液中 在溶剂中含有R2氧化物（R2表示选自包括Y和Sc的稀土元素中的一种或多种元素）的粉末; 使用电沉积工艺将粉末涂覆到烧结磁体的表面; 在磁体的表面存在粉末的状态下，将磁体和粉末在真空度或惰性气体中，在等于或等于烧结温度的温度下进行热处理 磁铁。
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公开(公告)号：US10526715B2
公开(公告)日：2020-01-07
申请号：US15782875
申请日：2017-10-13
摘要： A rare earth permanent magnet is prepared by immersing a portion of a sintered magnet body of R1—Fe—B composition (wherein R1 is a rare earth element) in an electrodepositing bath of a powder dispersed in a solvent, the powder comprising an oxide, fluoride, oxyfluoride, hydride or rare earth alloy of a rare earth element, effecting electrodeposition for letting the powder deposit on a region of the surface of the magnet body, and heat treating the magnet body with the powder deposited thereon at a temperature below the sintering temperature in vacuum or in an inert gas.
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公开(公告)号：US20180044810A1
公开(公告)日：2018-02-15
申请号：US15782875
申请日：2017-10-13
CPC分类号： C25D7/001 , C25D5/34 , C25D5/50 , C25D13/02 , C25D13/12 , C25D13/22 , H01F1/053 , H01F1/0577 , H01F41/005 , H01F41/0293
摘要： A rare earth permanent magnet is prepared by immersing a portion of a sintered magnet body of R1—Fe—B composition (wherein R1 is a rare earth element) in an electrodepositing bath of a powder dispersed in a solvent, the powder comprising an oxide, fluoride, oxyfluoride, hydride or rare earth alloy of a rare earth element, effecting electrodeposition for letting the powder deposit on a region of the surface of the magnet body, and heat treating the magnet body with the powder deposited thereon at a temperature below the sintering temperature in vacuum or in an inert gas.
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公开(公告)号：US10179955B2
公开(公告)日：2019-01-15
申请号：US14424707
申请日：2013-08-30
IPC分类号： H01F41/02 , C21D1/18 , C25D15/00 , C25D7/00 , B22F3/24 , C22C38/00 , C22C38/02 , C22C38/06 , C22C38/14 , C25D13/02 , C25D13/22 , C21D1/28 , H01F1/053 , H01F1/057
摘要： A production method for a rare earth permanent magnet, wherein: a sintered magnet body comprising an R1—Fe—B composition (R1 represents one or more elements selected from among rare earth elements, including Y and Sc) is immersed in an electrodeposition liquid comprising a slurry obtained by dispersing a powder containing an R2 fluoride (R2 represents one or more elements selected from among rare earth elements, including Y and Sc) in water; an electrodeposition process is used to coat the powder onto the surface of the sintered magnet body; and, in the state in which the powder is present on the surface of the magnet body, the magnet body and the powder are subjected to a heat treatment in a vacuum or an inert gas at a temperature equal to or less than the sintering temperature of the magnet.
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公开(公告)号：US10138564B2
公开(公告)日：2018-11-27
申请号：US14424647
申请日：2013-08-30
IPC分类号： B22F7/04 , H01F1/057 , C25D7/00 , B22F3/24 , C22C38/00 , C22C38/02 , C22C38/06 , C22C38/14 , C25D3/56 , H01F41/02 , C21D1/28 , H01F1/053
摘要： A production method for a rare earth permanent magnet, wherein: a sintered magnet body comprising an R1—Fe—B composition (R1 represents one or more elements selected from rare earth elements including Y and Sc) is immersed in an electrodeposition liquid obtained by dispersing a powder containing an R2 oxide (R2 represents one or more elements selected from rare earth elements including Y and Sc) in a solvent; an electrodeposition process is used to coat the powder to the surface of the sintered magnet body; and, in the state in which the powder is present on the surface of the magnet body, the magnet body and the powder are subjected to heat treatment in a vacuum or an inert gas at a temperature equal to or less than the sintering temperature of the magnet.
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