| 申请日期 | 2025-06-24 | 申请号 | US14055064 |
| 公开（公告）号 | US9734947B2 | 公开（公告）日 | 2017-08-15 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | SHIN ETSU CHEMICAL CO LTD | ||
| 简介 | A strip cast alloy containing Nd in excess of the stoichiometry of Nd2Fe14B is subjected to HDDR treatment and diffusion treatment, yielding microcrystalline alloy powder in which major phase crystal grains with a size of 0.1-1 μm are surrounded by Nd-rich grain boundary phase with a width of 2-10 nm. The powder is finely pulverized, compacted, and sintered, yielding a sintered magnet having a high coercivity. | ||
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