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The permanent magnet and the generator and motor using the same

2025-06-19 02:424300下载
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In one embodiment, a permanent magnet includes : a composition expressed by RpFeqMrCusCo100-p-q-r-s (R is a rare-earth element, M is at least one element selected from Zr, Ti, and Hf, 10.8≤p≤13.5 at %, 28≤q≤40 at %, 0.88≤r≤7.2 at %, and 3.5≤s≤13.5 at %); and a metallic structure including a cell phase having a Th2Zn17 crystal phase, and a cell wall phase. A Cu concentration in the cell wall phase is in a range from 30 at % to 70 at %.


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