ALNICO-BASED HARD MAGNETIC PARTICLE AND METHOD FOR MANUFACTURING THE SAME
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United States of America Patent
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Jun 2, 2022
app pub date -
Aug 5, 2019
filing date -
Aug 5, 2019
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Abstract
Disclosed is an AlNiCo-based hard magnetic particle containing Al, Ni, Co, Cu, Ti, and the balance of Fe. The AlNiCo-based hard magnetic particle contains Co in an amount of 10 to 17 wt %, has a coercive force of 250-450 Oe, and has a residual magnetization/coercive force rate of 0.06 or more. The AlNiCo-based hard magnetic particle according to the present invention can advantageously guarantee magnetic properties suitable for being detected by a magnetic reluctance device due to a low content of Co.
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