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Effect of Sintering Temperature on Microstructure and Properties of NdFeB Magnet AITranslate

PENG Guang-huai; JIA Xiao-wu; HAN Bao-jun; GUO Hua-bin; DU Xi-long
Jiangxi Province Magnesium Alloy Materials Engineering Technology Research Center, College of Chemistry and Chemical Engineering, Gannan Normal University;Jiangxi Province Magnesium Alloy Materials Engineering Technology Research Center, College of Chemistry and Chemical Engineering, Gannan Normal University;Jiangxi Province Magnesium Alloy Materials Engineering Technology Research Center, College of Chemistry and Chemical Engineering, Gannan Normal University;Jiangxi Province Magnesium Alloy Materials Engineering Technology Research Center, College of Chemistry and Chemical Engineering, Gannan Normal University;Jiangxi Province Magnesium Alloy Materials Engineering Technology Research Center, College of Chemistry and Chemical Engineering, Gannan Normal University
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Publisher: Editorial Office of Rare Metals and Cemented Carbides
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Abstract AITranslate

NdFeB permanent magnet was prepared by rapid solidification strip casting and hydrogenation crushing,and its microstructure and properties were characterized by optical microscopy,scanning electron microscopy and AMT—4magnetic property tester.Investigation was made of the effect of sintering temperature on the microstructure and properties of the magnet.The results show that with sintering temperature increasing,the density of the sintered magnet increases,and its remanence,coercivity and maximum magnetic energy product increase at first and then decrease.The reason is that the major crystalline phase grains grow up and the neodymium-rich phase distribution is more homogeneous with sintering temperature increasing.However,when the sintering temperature reaches a certain value,the magnet microstructure is inhomogeneous and the neodymium-rich phase agglomerates.

KeyWords AITranslate

rapid solidification method sintered NdFeB magnet sintering temperature magnetic property

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Basic Information:

DOI：

Chinese Library Classification Number:TM273[一般工业技术—材料科学与工程]

Citation Information:

NdFeB permanent magnet was prepared by rapid solidification strip casting and hydrogenation crushing,and its microstructure and properties were characterized by optical microscopy,scanning electron microscopy and AMT—4magnetic property tester.Investigation was made of the effect of sintering temperature on the microstructure and properties of the magnet.The results show that with sintering temperature increasing,the density of the sintered magnet increases,and its remanence,coercivity and maximum magnetic energy product increase at first and then decrease.The reason is that the major crystalline phase grains grow up and the neodymium-rich phase distribution is more homogeneous with sintering temperature increasing.However,when the sintering temperature reaches a certain value,the magnet microstructure is inhomogeneous and the neodymium-rich phase agglomerates.

quote

GB/T 7714-2015 [1] PENG Guang-huai, JIA Xiao-wu, HAN Bao-jun, et al. Effect of Sintering Temperature on Microstructure and Properties of NdFeB Magnet[J]. Rare Metals and Cemented Carbides, 2015(2): 33-35.
MLA [1] PENG Guang-huai, et al., "Effect of Sintering Temperature on Microstructure and Properties of NdFeB Magnet." Rare Metals and Cemented Carbides, no. 2, 2015, pp. 33-35.
APA [1] PENG Guang-huai, JIA Xiao-wu, HAN Bao-jun, GUO Hua-bin, & DU Xi-long. (2015). Effect of Sintering Temperature on Microstructure and Properties of NdFeB Magnet. Rare Metals and Cemented Carbides(2), 33-35.
IEEE [1] PENG Guang-huai, JIA Xiao-wu, HAN Bao-jun, GUO Hua-bin, and DU Xi-long, "Effect of Sintering Temperature on Microstructure and Properties of NdFeB Magnet," Rare Metals and Cemented Carbides, no. 2, pp. 33-35, 2015. keywords: {rapid solidification method;sintered NdFeB magnet;sintering temperature;magnetic property}