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1. 发明授权

US08002906B2 Rare earth magnet and production process thereof 失效
标题翻译：稀土磁铁及其生产工艺
公开(公告)号：US08002906B2
公开(公告)日：2011-08-23
申请号：US12494902
申请日：2009-06-30
申请人： Shunji Suzuki , Hayato Hashino , Masahiro Hiraoka , Takao Yabumi
发明人： Shunji Suzuki , Hayato Hashino , Masahiro Hiraoka , Takao Yabumi
IPC分类号： H01F1/057
CPC分类号： H01F1/0576 , B22F1/025 , B22F3/12 , B22F2998/00 , B22F2998/10 , C22C28/00 , C22C33/0278 , C22C38/002 , C22C38/005 , C22C38/10 , C22C2202/02 , H01F41/0266 , H01F41/0293 , B22F2207/01 , B22F3/02 , B22F3/14 , B22F3/24
摘要： The present invention provides a rare earth magnet, which is formed through at least hot molding, the rare earth magnet containing grains including an R2X14B phase as a main phase, and a grain boundary phase surrounding peripheries of the grains, in which R is at least one element selected from the group consisting of Nd, Pr, Dy, Tb and Ho, and X is Fe or Fe with a part being substituted by Co; in which an element RH is more concentrated in the grain boundary phase than in the grains, in which the element RH is at least one element selected from the group consisting of Dy, Tb and Ho; and the element RH is present with a substantially constant concentration distribution from the surface part of the magnet to the central part of the magnet.
摘要翻译：本发明提供一种通过至少热成型形成的稀土类磁体，含有包含R2X14B相作为主相的晶粒的稀土磁体和围绕晶粒周围的晶界相，其中R至少为选自Nd，Pr，Dy，Tb和Ho的一种元素，X是部分被Co取代的Fe或Fe; 其中元素RH比颗粒中更多地集中在晶界相中，其中元素RH是选自由Dy，Tb和Ho组成的组中的至少一种元素; 并且元件RH存在从磁体的表面部分到磁体的中心部分的基本上恒定的浓度分布。

2. 发明申请

US20090081071A1 RARE EARTH PERMANENT MAGNET ALLOY AND PRODUCING METHOD THEREOF 审中-公开
标题翻译：稀土永磁合金及其制备方法
公开(公告)号：US20090081071A1
公开(公告)日：2009-03-26
申请号：US12207312
申请日：2008-09-09
申请人： Hiroshi YAMAMOTO , Tetsurou Tayu , Masashi Ohmura , Keizou Otani , Takao Yabumi , Hayato Hashino
发明人： Hiroshi YAMAMOTO , Tetsurou Tayu , Masashi Ohmura , Keizou Otani , Takao Yabumi , Hayato Hashino
IPC分类号： C22C38/00 , C21D6/02
CPC分类号： H01F1/0579 , B22F9/007 , B22F2009/048 , B82Y25/00 , C22C1/0491 , C22C33/0257 , C22C38/005 , C22C2202/02 , H01F1/058
摘要： A rare earth permanent magnet alloy with a high coercive force is disclosed. The rare earth permanent magnet alloy comprises: a rare earth-iron-boron type magnetic phase (R2Fe14B type magnetic phase) constituting a parent phase; and a defect structure. The parent phase contains the defect structure. Displacement of magnetic domain wall of the R2Fe14B type magnetic phase is prevented by the defect structure, thereby improving coercive force.
摘要翻译：公开了一种具有高矫顽力的稀土永磁合金。稀土永磁合金包括：构成母相的稀土 - 铁 - 硼型磁相（R2Fe14B型磁性相）; 和缺陷结构。父阶段包含缺陷结构。通过缺陷结构防止R2Fe14B型磁性相的磁畴壁位移，从而提高矫顽力。

3. 发明申请

US20100172783A1 Material for Anisotropic Magnet and Method of Manufacturing the same 有权
标题翻译：各向异性磁铁的材料及其制造方法
公开(公告)号：US20100172783A1
公开(公告)日：2010-07-08
申请号：US12683125
申请日：2010-01-06
申请人： Keiko HIOKI , Takao YABUMI , Hayato HASHINO
发明人： Keiko HIOKI , Takao YABUMI , Hayato HASHINO
IPC分类号： B22F3/24 , H01F1/055 , B22F3/12 , B22F9/00
CPC分类号： H01F1/0576 , B22F1/0055 , B22F2998/10 , B22F2999/00 , C21D8/1205 , C21D8/1261 , C22C38/002 , C22C38/005 , H01F1/0571 , H01F41/0273 , B22F3/04 , B22F3/16 , B22F2003/145 , B22F2009/048 , B22F3/20 , B22F2003/202
摘要： A material for anisotropic magnet, comprising, (1) a Pr-T-B—Ga-based composition containing Pr: 12.5 to 15.0 atomic percent, B: 4.5 to 6.5 atomic percent, Ga: 0.1 to 0.7 atomic percent, and the balance of T and inevitable impurities, wherein T is Fe or obtained by substituting Co for a portion of the Fe; and having, (2) a degree of magnetic alignment of 0.92 or more, wherein the degree of magnetic alignment is defined by remanence (Br)/saturation magnetization (Js); and (3) a crystal grain diameter of 1 μm or less.
摘要翻译： 1.一种各向异性磁体用材料，其特征在于，含有（1）Pr-12.5〜15.0原子％的Pr-TB-Ga系组合物，B：4.5〜6.5原子％，Ga：0.1〜0.7原子％，余量为T 和不可避免的杂质，其中T是Fe或通过用Co代替一部分Fe而获得; 并且具有（2）0.92以上的磁取向度，其中磁取向度由剩磁（Br）/饱和磁化强度（Js）定义; 和（3）1μm以下的晶粒直径。

4. 发明授权

US09324485B2 Material for anisotropic magnet and method of manufacturing the same 有权
标题翻译：各向异性磁体材料及其制造方法
公开(公告)号：US09324485B2
公开(公告)日：2016-04-26
申请号：US12683125
申请日：2010-01-06
申请人： Keiko Hioki , Takao Yabumi , Hayato Hashino
发明人： Keiko Hioki , Takao Yabumi , Hayato Hashino
IPC分类号： H01F1/00 , H01F1/057 , B22F1/00 , C21D8/12 , C22C38/00 , B22F3/24 , H01F41/02
CPC分类号： H01F1/0576 , B22F1/0055 , B22F2998/10 , B22F2999/00 , C21D8/1205 , C21D8/1261 , C22C38/002 , C22C38/005 , H01F1/0571 , H01F41/0273 , B22F3/04 , B22F3/16 , B22F2003/145 , B22F2009/048 , B22F3/20 , B22F2003/202
摘要： A material for anisotropic magnet, comprising, (1) a Pr-T-B—Ga-based composition containing Pr: 12.5 to 15.0 atomic percent, B: 4.5 to 6.5 atomic percent, Ga: 0.1 to 0.7 atomic percent, and the balance of T and inevitable impurities, wherein T is Fe or obtained by substituting Co for a portion of the Fe; and having, (2) a degree of magnetic alignment of 0.92 or more, wherein the degree of magnetic alignment is defined by remanence (Br)/saturation magnetization (Js); and (3) a crystal grain diameter of 1 μm or less.
摘要翻译： 1.一种各向异性磁体用材料，其特征在于，含有（1）Pr-12.5〜15.0原子％的Pr-TB-Ga系组合物，B：4.5〜6.5原子％，Ga：0.1〜0.7原子％，余量为T 和不可避免的杂质，其中T是Fe或通过用Co代替一部分Fe而获得; 并且具有（2）0.92以上的磁取向度，其中磁取向度由剩磁（Br）/饱和磁化强度（Js）定义; 和（3）1μm以下的晶粒直径。

5. 发明申请

US20090218012A1 MATERIAL FOR MAGNETIC ANISOTROPIC MAGNET 审中-公开
标题翻译：磁性异相磁铁材料
公开(公告)号：US20090218012A1
公开(公告)日：2009-09-03
申请号：US12392329
申请日：2009-02-25
申请人： Keiko HIOKI , Takao YABUMI , Hayato HASHINO
发明人： Keiko HIOKI , Takao YABUMI , Hayato HASHINO
IPC分类号： H01F1/053
CPC分类号： H01F1/0571 , H01F41/028
摘要： A material for magnetic anisotropic magnet, comprising (1) a Pr-T-B—Ga-based composition containing Pr: 13.0 to 15.0 atomic percent, B: 4.5 to 6.5 atomic percent, Ga: 0.1 to 0.7 atomic percent, and the balance of. T and inevitable impurities, wherein T is obtained by substituting Co for Fe or a portion of Fe, (2) the material for magnetic anisotropic magnet is obtained by rapidly-cooling a molten alloy having the composition, pulverizing the ribbon obtained by the rapid-cooling, cold-forming the alloy powder obtained by the pulverizing, hot-forming the cold-formed body, and performing hot plastic working to the hot-formed body, and (3) the degree of magnetic orientation of the material for magnetic anisotropic magnet, which is defined by remanence (Br)/saturation magnetic flux density (Js), is 0.9 or more.
摘要翻译：一种磁性各向异性磁体用材料，其特征在于，含有（1）Pr-T-B-Ga系组合物，其含有Pr：13.0〜15.0原子％，B：4.5〜6.5原子％，Ga：0.1〜0.7原子％ T和不可避免的杂质，其中T是通过用Co代替Fe或一部分Fe，（2）通过快速冷却具有组成的熔融合金来获得磁性各向异性磁体的材料，冷却，冷成型通过粉碎，热成型冷成型体得到的合金粉末，对热成型体进行热塑性加工，（3）磁性各向异性磁体材料的磁性取向度（Br）/饱和磁通密度（Js）定义为0.9以上。

6. 发明申请

US20100003156A1 RARE EARTH MAGNET AND PRODUCTION PROCESS THEREOF 失效
标题翻译：稀土磁铁及其生产工艺
公开(公告)号：US20100003156A1
公开(公告)日：2010-01-07
申请号：US12494902
申请日：2009-06-30
申请人： Shunji SUZUKI , Hayato HASHINO , Masahiro HIRAOKA , Takao YABUMI
发明人： Shunji SUZUKI , Hayato HASHINO , Masahiro HIRAOKA , Takao YABUMI
IPC分类号： C22C38/00 , B22F3/12
CPC分类号： H01F1/0576 , B22F1/025 , B22F3/12 , B22F2998/00 , B22F2998/10 , C22C28/00 , C22C33/0278 , C22C38/002 , C22C38/005 , C22C38/10 , C22C2202/02 , H01F41/0266 , H01F41/0293 , B22F2207/01 , B22F3/02 , B22F3/14 , B22F3/24
摘要： The present invention provides a rare earth magnet, which is formed through at least hot molding, the rare earth magnet containing grains including an R2X14B phase as a main phase, and a grain boundary phase surrounding peripheries of the grains, in which R is at least one element selected from the group consisting of Nd, Pr, Dy, Tb and Ho, and X is Fe or Fe with a part being substituted by Co; in which an element RH is more concentrated in the grain boundary phase than in the grains, in which the element RH is at least one element selected from the group consisting of Dy, Tb and Ho; and the element RH is present with a substantially constant concentration distribution from the surface part of the magnet to the central part of the magnet.
摘要翻译：本发明提供一种通过至少热成型形成的稀土类磁体，含有包含R2X14B相作为主相的晶粒的稀土磁体和围绕晶粒周围的晶界相，其中R至少为选自Nd，Pr，Dy，Tb和Ho的一种元素，X是部分被Co取代的Fe或Fe; 其中元素RH比颗粒中更多地集中在晶界相中，其中元素RH是选自由Dy，Tb和Ho组成的组中的至少一种元素; 并且元件RH存在从磁体的表面部分到磁体的中心部分的基本上恒定的浓度分布。

7. 发明授权

US09281106B2 Material for anisotropic magnet and method of manufacturing the same 有权
公开(公告)号：US09281106B2
公开(公告)日：2016-03-08
申请号：US12683125
申请日：2010-01-06
申请人： Keiko Hioki , Takao Yabumi , Hayato Hashino
发明人： Keiko Hioki , Takao Yabumi , Hayato Hashino
IPC分类号： H01F1/00 , H01F1/057 , B22F1/00 , C21D8/12 , C22C38/00 , B22F3/24 , H01F41/02
摘要： A material for anisotropic magnet, comprising, (1) a Pr-T-B—Ga-based composition containing Pr: 12.5 to 15.0 atomic percent, B: 4.5 to 6.5 atomic percent, Ga: 0.1 to 0.7 atomic percent, and the balance of T and inevitable impurities, wherein T is Fe or obtained by substituting Co for a portion of the Fe; and having, (2) a degree of magnetic alignment of 0.92 or more, wherein the degree of magnetic alignment is defined by remanence (Br)/saturation magnetization (Js); and (3) a crystal grain diameter of 1 μm or less.

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