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公开(公告)号：US08268093B2
公开(公告)日：2012-09-18
申请号：US12092300
申请日：2007-05-18
IPC分类号： H01F1/057
CPC分类号： H01F1/057 , H01F1/0573 , H01F1/0576 , H01F1/0578 , H01F1/0579 , H01F41/028 , Y10T428/12153
摘要： An R—Fe—B based porous magnet according to the present invention has an aggregate structure of Nd2Fe14B type crystalline phases with an average grain size of 0.1 μm to 1 μm. At least a portion of the magnet is porous and has micropores with a major axis of 1 μm to 20 μm.
摘要翻译： 根据本发明的R-Fe-B系多孔磁体具有平均粒径为0.1μm〜1μm的Nd2Fe14B型结晶相的集合体。 磁体的至少一部分是多孔的并且具有长轴为1μm至20μm的微孔。
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公开(公告)号：US20090123774A1
公开(公告)日：2009-05-14
申请号：US12092300
申请日：2007-05-18
IPC分类号： H01F1/053
CPC分类号： H01F1/057 , H01F1/0573 , H01F1/0576 , H01F1/0578 , H01F1/0579 , H01F41/028 , Y10T428/12153
摘要： An R—Fe—B based porous magnet according to the present invention has an aggregate structure of Nd2Fe14B type crystalline phases with an average grain size of 0.1 μm to 1 μm. At least a portion of the magnet is porous and has micropores with a major axis of 1 μm to 20 μm.
摘要翻译： 根据本发明的R-Fe-B系多孔磁体具有平均粒径为0.1μm〜1μm的Nd2Fe14B型结晶相的集合体。 磁体的至少一部分是多孔的并且具有长度为1〜20μm的微孔。
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公开(公告)号：US20090127494A1
公开(公告)日：2009-05-21
申请号：US12063150
申请日：2006-08-03
CPC分类号： H01F41/0266 , B22F1/0044 , B22F2003/033 , B22F2003/145 , B22F2003/248 , B22F2998/00 , B22F2998/10 , C22C1/0441 , C22C2202/02 , H01F1/0576 , H01F1/0579 , H01F1/058 , B22F3/02 , B22F2202/03 , B22F2202/06 , B22F3/03 , B22F3/004 , B22F9/008 , B22F3/24
摘要： A method for producing a rare-earth alloy based binderless magnet according to the present invention includes the steps of: (A) providing a rapidly solidified rare-earth alloy magnetic powder; and (B) compressing and compacting the rapidly solidified rare-earth alloy magnetic powder by a cold process without using a resin binder, thereby obtaining a compressed compact, 70 vol % to 95 vol % of which is the rapidly solidified rare-earth alloy magnetic powder.
摘要翻译： 根据本发明的稀土类合金无粘结剂磁体的制造方法包括以下工序：（A）提供快速凝固的稀土类合金磁粉; 和（B）不使用树脂粘合剂通过冷加工压缩和压实快速固化的稀土合金磁粉，从而得到压缩成型体，70体积％至95体积％的是快速凝固的稀土合金磁性 粉末。
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公开(公告)号：US09418786B2
公开(公告)日：2016-08-16
申请号：US13586917
申请日：2012-08-16
CPC分类号： H01F1/057 , H01F1/0573 , H01F1/0576 , H01F1/0578 , H01F1/0579 , H01F41/028 , Y10T428/12153
摘要： An R—Fe—B based porous magnet according to the present invention has an aggregate structure of Nd2Fe14B type crystalline phases with an average grain size of 0.1 μm to 1 μm. At least a portion of the magnet is porous and has micropores with a major axis of 1 μm to 20 μm.
摘要翻译： 根据本发明的R-Fe-B系多孔磁体具有平均粒径为0.1μm〜1μm的Nd2Fe14B型结晶相的集合体。 磁体的至少一部分是多孔的并且具有长轴为1μm至20μm的微孔。
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公开(公告)号：US20120306308A1
公开(公告)日：2012-12-06
申请号：US13586917
申请日：2012-08-16
CPC分类号： H01F1/057 , H01F1/0573 , H01F1/0576 , H01F1/0578 , H01F1/0579 , H01F41/028 , Y10T428/12153
摘要： An R—Fe—B based porous magnet according to the present invention has an aggregate structure of Nd2Fe14B type crystalline phases with an average grain size of 0.1 μm to 1 μm. At least a portion of the magnet is porous and has micropores with a major axis of 1 μm to 20 μm.
摘要翻译： 根据本发明的R-Fe-B系多孔磁体具有平均粒径为0.1μm〜1μm的Nd2Fe14B型结晶相的集合体。 磁体的至少一部分是多孔的并且具有长轴为1μm至20μm的微孔。
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公开(公告)号：US07938915B2
公开(公告)日：2011-05-10
申请号：US12063150
申请日：2006-08-03
IPC分类号： H01F1/053
CPC分类号： H01F41/0266 , B22F1/0044 , B22F2003/033 , B22F2003/145 , B22F2003/248 , B22F2998/00 , B22F2998/10 , C22C1/0441 , C22C2202/02 , H01F1/0576 , H01F1/0579 , H01F1/058 , B22F3/02 , B22F2202/03 , B22F2202/06 , B22F3/03 , B22F3/004 , B22F9/008 , B22F3/24
摘要： A method for producing a rare-earth alloy based binderless magnet according to the present invention includes the steps of: (A) providing a rapidly solidified rare-earth alloy magnetic powder; and (B) compressing and compacting the rapidly solidified rare-earth alloy magnetic powder by a cold process without using a resin binder, thereby obtaining a compressed compact, 70 vol % to 95 vol % of which is the rapidly solidified rare-earth alloy magnetic powder.
摘要翻译： 根据本发明的稀土类合金无粘结剂磁体的制造方法包括以下工序：（A）提供快速凝固的稀土类合金磁粉; 和（B）不使用树脂粘合剂通过冷加工压缩和压实快速固化的稀土合金磁粉，从而得到压缩成型体，70体积％至95体积％的是快速凝固的稀土合金磁性 粉末。
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