| 简介 |
PROBLEM TO BE SOLVED : To provide rare earth/iron/boron based permanent magnet material powder wherein superior magnetic property is obtained and mobility is improved, its manufacturing method, and a rare earth/iron/boron based permanent magnet wherein magnetic property is superior, miniaturization can be attained and productivity is improved.
SOLUTION : In the rare earth/iron/boron based permanent magnet material, metal melt containing rare earth element/iron/boron is subjected to powdering and quenching by a water atomizing method. The manufacturing method is provided with a process wherein the metal melt containing rare earth element/iron/boron is subjected to powdering and quenching by a water atomizing method. In the permanent magnet, main component is the rare earth/iron/boron based permanent magnet material. |
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