Method for modifying grain boundary of Nd—Fe—B base magnet, and body with modified grain boundary treated by the method
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Abstract
An improvement of coercive force of Nd—Fe—B base sintered magnet can be realized while suppressing a decrease in remanent magnetic flux density to the minimum using a method for modifying grain boundary which comprises heat-treating an Nd—Fe—B base magnet with a specific alloy disposed on its surface, the alloy having the following Formula 1:
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wherein R represents at least one rare earth element including Sc and Y, A represents Ca or Li, B represents an unavoidable impurity, and 2≤x≤99, 1≤yFirst Claim
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# of filed Patents
Total Citations
Fujikawa, Shinichirou
Kanagawa, JP
3
5
Furuya, Takashi
Kanagawa, JP
44
492
Kawai, Seiji
Kanagawa, JP
27
361
Machida, Kenichi
Osaka, JP
126
1010
Nakazawa, Koichi
Kanagawa, JP
29
117
Uenohara, Masaru
Kanagawa, JP
1
0
Yamato, Genya
Osaka, JP
1
0
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