Auxiliary alloy casting piece, high-remanence and high-coercive force NdFeB permanent magnet, and preparation methods thereof

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United States of America Patent

PATENT NO 12087481
APP PUB NO 20240127993A1
SERIAL NO

18091899

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Abstract

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Provided are an auxiliary alloy casting piece, a high-remanence and high-coercive force NdFeB permanent magnet, and preparation methods thereof. The method for preparing the auxiliary alloy casting piece includes the following steps: providing an auxiliary alloy material including, by mass percentage, 40% to 45% of Pr, 1% to 2% of Co, 0.5% to 1% of Ga, 0.6% to 0.8% of B, 0.1% to 0.2% of V, 0.3% to 0.7% of Ti, and a balance of Fe; smelting the auxiliary alloy material to obtain a smelted material; and subjecting the smelted material to a quick-setting casting to obtain the auxiliary alloy casting piece; where the quick-setting casting includes a refining and a casting in sequence.

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Patent Owner(s)

  • BAOTOU JINSHAN MAGNETIC MATERIAL CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Chen Inner Mongolia, CN 720 3975
Fu, Yulong Inner Mongolia, CN 4 2
Liu, Yonghong Inner Mongolia, CN 20 691
Sun, Caina Inner Mongolia, CN 3 0
Wang, Yu Inner Mongolia, CN 1481 8143
Wang, Zichao Inner Mongolia, CN 3 0
Xia, Feng Inner Mongolia, CN 24 184
Zheng, Hailong Inner Mongolia, CN 1 0

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