| 简介 |
PROBLEM TO BE SOLVED : To provide a new rare earth permanent magnet alloy of high magnetic performance, and to provide a bond magnet. SOLUTION : The permanent magnet alloy consists of an R-Fe-B alloy (wherein, R is at least one kind of rare earth element including Y), and has a composition essentially consisting of Fe, substantially containing no N, and containing ≥4 atomic % B, and a structure substantially consisting of a TbCu7hard magnetic phase (main phase) and fine crystals and/or an amorphous phase having a means grain size of COPYRIGHT : (C)2003, JPO |
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