BONDED MAGNET AND METHOD OF PREPARING THE SAME
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United States of America Patent
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Apr 2, 2020
app pub date -
Sep 27, 2019
filing date -
Sep 28, 2018
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Abstract
The present invention provides a bonded magnet having good heat resistance. The present invention relates to a bonded magnet containing a SmFeN magnetic powder, nylon 12, and a hexafluoroisopropanol-unextractable component. The present invention also relates to a method of preparing a bonded magnet, including: bringing a raw material bonded magnet containing a SmFeN magnetic powder and nylon 12 into contact with an amorphizing agent; and heat-treating the raw material bonded magnet in contact with the amorphizing agent.
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