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A method of manufacturing a bonded magnet

2025-06-18 13:142980下载
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PROBLEM TO BE SOLVED : To provide a rare-earth bonded magnet having excellent moldability, magnetic characteristics and high mechanical strength making the best use of the advantages of extrusion molding. SOLUTION : The rare-earth bonded magnet is a magnet which is extrusion molded, and it contains rare-earth magnet powder and thermoplastic resin. The content of the rare-earth magnet powder is 78.1 to 83mol%. For example, an Sm-Co alloy, an R-Fe-B alloy (R indicates at least a kind selected from Y-containing rare-earth elements) and Sm-Fe-N alloy or the material properly mixed them are used as the rare-earth magnet powder. For example, liquid crystal polymer and PPS are used as the thermoplastic resin.


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