首页> 外国专利> Alloy for R-T-B-based rare earth sintered magnet, process of producing alloy for R-T-B-based rare earth sintered magnet, alloy material for R-T-B-based rare earth sintered magnet, R-T-B-based rare earth sintered magnet, process of producing R-T-B-based rare earth sintered magnet, and motor

Alloy for R-T-B-based rare earth sintered magnet, process of producing alloy for R-T-B-based rare earth sintered magnet, alloy material for R-T-B-based rare earth sintered magnet, R-T-B-based rare earth sintered magnet, process of producing R-T-B-based rare earth sintered magnet, and motor

机译：基于RTB的稀土烧结磁体，生产合金的RTB基稀土烧结磁体的工艺，RTB基稀土烧结磁铁的合金材料，RTB基稀土烧结磁体，生产RTB基稀土的过程烧结磁铁和电机

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摘要

An alloy for R-T-B-based rare earth sintered magnets which contains R which is a rare earth element; T which is a transition metal essentially containing Fe; a metallic element M containing one or more metals selected from Al, Ga and Cu; B and inevitable impurities, in which R accounts for 13 at % to 15 at %, B accounts for 4.5 at % to 6.2 at %, M accounts for 0.1 at % to 2.4 at %, T accounts for balance, a proportion of Dy in all rare earth elements is in a range of 0 at % to 65 at %, and the following Formula 1 is satisfied,0.0049Dy+0.34≤B/TRE≤0.0049Dy+0.36 Formula 1wherein Dy represents a concentration (at %) of a Dy element, B represents a concentration (at %) of a boron element, and TRE represents a concentration (at %) of all the rare earth elements.

机译：含有R-T-B基稀土烧结磁铁的合金，其含有稀土元素的R; T，它是基本上含有Fe的过渡金属;金属元素M含有选自Al，Ga和Cu的一种或多种金属; B和不可避免的杂质，其中R占0％至15％的％，B占0.5％至6.2的％，m占0.1分以％至2.4以％，t账户余额，达到数量所有稀土元素的范围为0at％至65at％，并且满足以下公式1，<？在线 - 公式说明=“线式公式”末端=“铅”？> 0.0049dy +0.34≤b/tre≤0.0049dy+ 0.36公式1 <？在线 - 公式描述=“在线公式“结束=”尾“？>其中μd代表染色元素的浓度（以％），B表示硼元素的浓度（以％），并且TRE表示所有稀土元素的浓度（以％）。

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公开/公告号US11024448B2

专利类型
公开/公告日2021-06-01

原文格式PDF
申请/专利权人 TDK CORPORATION;
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申请/专利号US201615219110
发明设计人 KENICHIRO NAKAJIMA;TAKASHI YAMAZAKI;
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申请日2016-07-25
分类号H01F1/057;B22F9/04;B22F3/24;H01F41/02;H01F1/053;C22C33/02;C22C38;C22C38/02;C22C38/06;C22C38/16;C22C38/10;C21D6;H01F1/01;B22F3/16;H02K1/02;H01F1/058;
国家 US
入库时间 2022-08-24 19:03:29

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