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81. 发明授权

US5480495A Magnetic material 失效
标题翻译：磁性材料
公开(公告)号：US5480495A
公开(公告)日：1996-01-02
申请号：US86379
申请日：1993-07-06
申请人： Shinya Sakurada , Takahiro Hirai , Akihiko Tsutai , Masashi Sahashi
发明人： Shinya Sakurada , Takahiro Hirai , Akihiko Tsutai , Masashi Sahashi
IPC分类号： H01F1/055 , H01F1/059
CPC分类号： H01F1/0593 , H01F1/055
摘要： Disclosed is a magnetic material which suppresses formation of impurity phase of Fe, Co or Fe-Co alloy, possesses a stable ThMn.sub.12 crystal structure as the principal phase, and is excellent in magnetic properties and lower in cost. Such magnetic material is expressed in a general formula:R1.sub.x R2.sub.y Si.sub.z M.sub.u T.sub.vwhere R1is at least one element selected from Zr and Hf, R2is at least one element selected from rare earth element, M is at least one element selected from C, N and P, T is at least one element selected from Fe and Co, x+y+z+u+v=100, x, y, z, u, v are atomic percent individually defined as 0.1.ltoreq.x.ltoreq.20, 2.ltoreq.y.ltoreq.20, 0.5.ltoreq.z.ltoreq.20, 0.ltoreq.u.ltoreq.20, v.gtoreq.50, and of which principal phase possesses a ThMn.sub.12 crystal structure.
摘要翻译：公开了抑制Fe，Co或Fe-Co合金的杂质相的形成的磁性材料，其具有稳定的ThMn12晶体结构作为主相，磁性优异，成本低。这种磁性材料以通式表示：R1xR2ySizMuTv其中R1为选自Zr和Hf中的至少一种元素，R2为选自稀土元素中的至少一种元素，M为选自C，N和P中的至少一种元素，T为选自Fe和Co中的至少一种元素，x + y + z + u + v = 100，x，y，z，u，v是原子百分数，各自定义为0.1≤x≤20,2/ = y / = 50，其主相具有ThMn12晶体结构。

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