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公开(公告)号：US5194098A
公开(公告)日：1993-03-16
申请号：US876902
申请日：1992-04-30
申请人： Masato Sagawa , Setsuo Fujimura , Yutaka Matsuura
发明人： Masato Sagawa , Setsuo Fujimura , Yutaka Matsuura
CPC分类号： H01F1/057 , C22C1/0441 , H01F1/0577
摘要： Magnetic materials comprising Fe, B and R (rare earth elements) having a major phase of an Fe-B-R intermetallic compound which may be a tetragonal system, wherein at least 50 at % of R consists of Nd and/or Pr, and anisotropic sintered permanent magnets consisting essentially of 8-30 at % R, 2028 at %, B and the balance being Fe with impurities. These magnetic materials and permanent magnets may contain additional elements M (Ti, Ni, Bi, V, Nb, Ta, Cr, Mo, W, Mn, Al, Sb, Ge, Sn, Zr, Hf), thus providing Fe-B-R-M type materials and magnets.
摘要翻译： Fe，B和R（稀土元素）的磁性材料，其具有可以是四方晶系的Fe-BR金属间化合物的主相，其中至少50原子％的R由Nd和/或Pr组成，并且各向异性烧结 基本上由8-30at％R，2028at％，B组成的永磁体，余量为Fe和杂质。 这些磁性材料和永磁体可以含有附加元素M（Ti，Ni，Bi，V，Nb，Ta，Cr，Mo，W，Mn，Al，Sb，Ge，Sn，Zr，Hf） 型材和磁铁。
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公开(公告)号：US4770723A
公开(公告)日：1988-09-13
申请号：US13165
申请日：1987-02-10
申请人： Masato Sagawa , Setsuo Fujimura , Yutaka Matsuura
发明人： Masato Sagawa , Setsuo Fujimura , Yutaka Matsuura
CPC分类号： C22C1/0441 , H01F1/057 , H01F1/0577
摘要： Magnetic materials comprising Fe, B and R (rare earth elements) having a major phase of Fe--B--R intermetallic compound(s) of tetragonal system, and sintered anisotropic permanent magnets consisting essentially of, by atomic percent, 8-30% R (at least one of rare earth elements inclusive of Y), 2-28% B and the balance being Fe with impurities. Those may contain additional elements M (Ti, Ni, Bi, V, Nb, Ta, Cr, Mo, W, Mn, Al, Sb, Ge, Sn, Zr, Hf) providing Fe--B--R--M type materials and magnets.
摘要翻译： 包含具有四方晶系的Fe-BR金属间化合物的主相的Fe，B和R（稀土元素）的磁性材料和基本上由原子百分比组成的烧结各向异性永久磁体，其含量为8-30％R 至少一种稀土元素包括Y），2-28％B，余量为Fe与杂质。 这些可以含有Fe-B-R-M型材料和磁铁的附加元素M（Ti，Ni，Bi，V，Nb，Ta，Cr，Mo，W，Mn，Al，Sb，Ge，Sn，Zr，Hf）。
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公开(公告)号：US5466308A
公开(公告)日：1995-11-14
申请号：US194647
申请日：1994-02-10
申请人： Setsuo Fujimura , Yutaka Matsuura , Masato Sagawa
发明人： Setsuo Fujimura , Yutaka Matsuura , Masato Sagawa
CPC分类号： C22C1/0441 , H01F1/057 , H01F1/0577
摘要： Magnetic materials comprising Fe, B, R (rare earth elements) and Co having a major phase of Fe-Co-B-R intermetallic compound(s) of tetragonal systems and sintered anisotropic permanent magnets consisting essentially of, by atomic percent, 8-30% R (at least one of rare earth elements inclusive of Y), 2-28% B, no less than 50% Co, and the balance being Fe with impurities. Those may contain additional elements M (Ti, Ni, Bi, V, Nb, Ta, Cr, Mo, W, Mn, Al, Sb, Ge, Sn, Zr, Hf) providing Fe-Co-B-R-M type materials and magnets.
摘要翻译： 包含Fe，B，R（稀土元素）和具有四方晶系的Fe-Co-BR金属间化合物的主相的Co的磁性材料和基本上由原子百分比组成的烧结各向异性永久磁体的磁性材料为8-30％ R（包括Y的稀土元素中的至少一种），2-28％B，不低于50％的Co，余量为含杂质的Fe。 这些可以含有Fe-Co-B-R-M型材料和磁铁的附加元素M（Ti，Ni，Bi，V，Nb，Ta，Cr，Mo，W，Mn，Al，Sb，Ge，Sn，Zr，Hf）。
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公开(公告)号：US5230749A
公开(公告)日：1993-07-27
申请号：US728037
申请日：1991-07-08
IPC分类号： H01F1/057
CPC分类号： H01F1/0577
摘要： A magnetically anisotropic sintered permanent magnet of the FeCoBR system (R is sum of R.sub.1 and R.sub.2) wherein:R.sub.1 is Dy, Tb, Gd, Ho, Er, Tm and/or Yb, andR.sub.2 comprises 80 at % or more of Nd and Pr in R.sub.2, and the balance of other rare earth elements exclusive of R.sub.1,said system consisting essentially of, by atomic percent, 0.05 to 5% of R.sub.1, 12.5 to 20% of R, 4 to 20% of B up to 35% of Co, and the balance being Fe. Additional elements M(Ti, Zr, Hf, Cr, Mn, Ni, Ta, Ge, Sn, Sb, Bi, Mo, Nb, Al, V, W) may be present.
摘要翻译： FeCoBR系的磁各向异性烧结永磁体（R为R1和R2的和），其中：R1为Dy，Tb，Gd，Ho，Er，Tm和/或Yb，R2包含80原子％以上的Nd， Pr在R2中的余量以及不包括R1的其它稀土元素的余量，所述体系基本上由原子百分比组成，R1为0.05〜5％，R为12.5〜20％，B〜4％〜20％ 的Co，余量为Fe。 可以存在附加元素M（Ti，Zr，Hf，Cr，Mn，Ni，Ta，Ge，Sn，Sb，Bi，Mo，Nb，Al，V，W）。
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公开(公告)号：US4859255A
公开(公告)日：1989-08-22
申请号：US165371
申请日：1988-02-29
CPC分类号： H01F1/0577
摘要： A magnetically anisotropic sintered permanent magnet of the FeCoBR system (R is sum of R.sub.1 and R.sub.2) wherein:R.sub.1 is Dy, Tb, Gd, Ho, Er, Tm and/or Yb, andR.sub.2 comprises 80 at % or more of Nd and Pr in R.sub.2, and the balance of other rare earth elements exclusive of R.sub.1,said system consisting essentially of, by atomic percent, 0.05 to 5% of R.sub.1, 12.5 to 20% of R, 4 to 20% of B up to 35% of Co, and the balance being Fe. Additional elements M(Ti, Zr, Hf, Cr, Mn, Ni, Ta, Ge, Sn, Sb, Bi, Mo, Nb, Al, V, W) may be present.
摘要翻译： FeCoBR系的磁各向异性烧结永磁体（R为R1和R2的和），其中：R1为Dy，Tb，Gd，Ho，Er，Tm和/或Yb，R2包含80原子％以上的Nd， Pr在R2中的余量以及不包括R1的其它稀土元素的余量，所述体系基本上由原子百分比组成，R1为0.05〜5％，R为12.5〜20％，B〜4％〜20％ 的Co，余量为Fe。 可以存在附加元素M（Ti，Zr，Hf，Cr，Mn，Ni，Ta，Ge，Sn，Sb，Bi，Mo，Nb，Al，V，W）。
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公开(公告)号：US4767474A
公开(公告)日：1988-08-30
申请号：US567008
申请日：1983-12-30
申请人： Setsuo Fujimura , Masato Sagawa , Yutaka Matsuura
发明人： Setsuo Fujimura , Masato Sagawa , Yutaka Matsuura
CPC分类号： H01F1/0577
摘要： Isotropic permanet magnet formed of a sintered body having a mean crystal grain size of 1-130 microns and a major phase of tetragonal system comprising, in atomic percent, 10-25% of R wherein R represents at least one of rare-earth elements including Y, 3-23% of B, no more than 50% of Co and the balance being Fe. As additional elements M, Al, Ti, V, Cr, Mn, Zr, Hf, Nb, Ta, Mo, Ge, Sb, Sn, Bi, Ni or W may be incorporated.The magnets can be produced through a powder meallurgical process resulting in high magnetic properties, e.g., up to 7 MGOe or higher energy product.
摘要翻译： 由具有1-130微米的平均晶粒尺寸和四方晶系的主相形成的各向同性永久磁体，原子百分比包括R的10-25％，其中R表示稀土元素中的至少一种，包括 Y，B的3-23％，Co不超过50％，余量为Fe。 作为附加元素，可以加入M，Al，Ti，V，Cr，Mn，Zr，Hf，Nb，Ta，Mo，Ge，Sb，Sn，Bi，Ni或W。 磁体可以通过粉末冶金工艺生产，产生高磁性，例如高达7MGOe或更高的能量产物。
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公开(公告)号：US4601875A
公开(公告)日：1986-07-22
申请号：US532471
申请日：1983-09-15
CPC分类号： C22C1/0441 , H01F1/0577 , Y10T29/49076
摘要： Permanent magnetic materials of the Fe-B-R type are produced by:preparing an metallic powder having a mean particle size of 0.3-80 microns and a composition of, by atomic percent, 8-30% R (rare earth elements), 2-28% B, and the balance Fe, compacting, sintering at a temperature of 900-1200 degrees C., and aging at a temperature ranging from 350 degrees C. to the temperature for sintering. Co and additional elements M (Ti, Ni, Bi, V, Nb, Ta, Cr, Mo, W, Mn, Al, Sb, Ge, Sn, Zr, Hf) may be present.
摘要翻译： 通过以下方式制备Fe-BR型永久磁性材料：制备平均粒径为0.3-80微米的金属粉末，原子百分比为8-30％的R（稀土元素），2-28 ％B，余量为Fe，压实，烧结温度为900-1200摄氏度，并在350摄氏度至烧结温度下老化。 可以存在Co和附加元素M（Ti，Ni，Bi，V，Nb，Ta，Cr，Mo，W，Mn，Al，Sb，Ge，Sn，Zr，Hf）。
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公开(公告)号：US4792368A
公开(公告)日：1988-12-20
申请号：US516841
申请日：1983-07-25
申请人： Masato Sagawa , Setsuo Fujimura , Yutaka Matsuura
发明人： Masato Sagawa , Setsuo Fujimura , Yutaka Matsuura
CPC分类号： C22C1/0441 , H01F1/057 , H01F1/0577
摘要： Magnetic materials comprising Fe, B, R (rare earth elements) and Co having a major phase of Fe-Co-B-R intermetallic compound(s) of tetragonal system, and sintered anisotropic permanent magnets consisting essentially of, by atomic percent, 8-30% R (at least one of rare earth elements inclusive of Y), 2-28% B, no less than 50% Co, and the balance being Fe with impurities. Those may contain additional elements M (Ti, Ni, Bi, V, Nb, Ta, Cr, Mo, W, Mn, Al, Sb, Ge, Sn, Zr, Hf) providing Fe-Co-B-R-M type materials and magnets.
摘要翻译： 包含Fe，B，R（稀土元素）和具有四方晶系的Fe-Co-BR金属间化合物的主相的Co的磁性材料和基本上由原子百分比组成的烧结各向异性永久磁体8-30 ％R（包括Y的稀土元素中的至少一种），2-28％B，不低于50％的Co，余量为Fe和杂质。 这些可以含有Fe-Co-B-R-M型材料和磁铁的附加元素M（Ti，Ni，Bi，V，Nb，Ta，Cr，Mo，W，Mn，Al，Sb，Ge，Sn，Zr，Hf）。
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公开(公告)号：US5645651A
公开(公告)日：1997-07-08
申请号：US485183
申请日：1995-06-07
申请人： Setsuo Fujimura , Yutaka Matsuura , Masato Sagawa
发明人： Setsuo Fujimura , Yutaka Matsuura , Masato Sagawa
CPC分类号： C22C1/0441 , H01F1/057 , H01F1/0577
摘要： Magnetic materials comprising Fe, B, R (rare earth elements) and Co having a major phase of Fe--Co--B--R intermetallic compound(s) of tetragonal systems and sintered anisotropic permanent magnets consisting essentially of, by atomic percent, 8-30% R (at least one of rare earth elements inclusive of Y), 2-28% B, no less than 50% Co, and the balance being Fe with impurities. Those may contain additional elements M (Ti, Ni, Bi, V, Nb, Ta, Cr, Mo, W, Mn, Al, Sb, Ge, Sn, Zr, Hf) providing Fe--Co--B--R--M type materials and magnets.
摘要翻译： 包含Fe，B，R（稀土元素）和具有四方晶系的Fe-Co-BR金属间化合物的主相的Co的磁性材料和基本上由原子百分比组成的烧结各向异性永久磁体的磁性材料为8-30％ R（包括Y的稀土元素中的至少一种），2-28％B，不低于50％的Co，余量为含杂质的Fe。 这些可以含有Fe-Co-B-R-M型材料和磁铁的附加元素M（Ti，Ni，Bi，V，Nb，Ta，Cr，Mo，W，Mn，Al，Sb，Ge，Sn，Zr，Hf）。
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公开(公告)号：US5183516A
公开(公告)日：1993-02-02
申请号：US877400
申请日：1992-04-30
申请人： Masato Sagawa , Setsuo Fujimura , Yutaka Matsuura
发明人： Masato Sagawa , Setsuo Fujimura , Yutaka Matsuura
CPC分类号： H01F1/0577 , C22C1/0441 , H01F1/057
摘要： Magnetic materials comprising Fe, B and R (rare earth elements) having a major phase of an Fe-B-R intermetallic compound which may be a tetragonal system, wherein at least 50 at % of R consists of Nd and/or Pr, and anisotropic sintered permanent magnets consisting essentially of 8-30 at % R, 2-28 at %, B and the balance being Fe with impurities. These magnetic materials and permanent magnets may contain additional elements M (Ti, Ni, Bi, V, Nb, Ta, Cr, Mo, W, Mn, Al, Sb, Ge, Sn, Zr, Hf), thus providing Fe-B-R-M type materials and magnets.
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