Effect of chamber pressure on the magnetic property and microstructure of the Ce17Fe78B6 alloy

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Effect of chamber pressure on the magnetic property and microstructure of the Ce17Fe78B6 alloy
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Affiliation:Institute of Materials Science Laboratory for Microstructures,School of Materials Science and Engineering,Shanghai University,Institute of Materials Science Laboratory for Microstructures,School of Materials Science and Engineering,Shanghai University,Institute of Materials Science Laboratory for Microstructures,School of Materials Science and Engineering,Shanghai University,Institute of Materials Science Laboratory for Microstructures,School of Materials Science and Engineering,Shanghai University,Institute of Materials Science Laboratory for Microstructures,School of Materials Science and Engineering,Shanghai University,Institute of Materials Science Laboratory for Microstructures,School of Materials Science and Engineering,Shanghai University
Clc Number:TM271 .3；TG132.2 7
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Abstract:

The melt-spun Ce17Fe78B6 ribbons were prepared by melt-spinning at various chamber pressures. The effect of chamber pressure on the magnetic property and microstructure of Ce17Fe78B6 alloy was investigated. Results showed that the magnetic property and microstructure of the Ce17Fe78B6 alloy were sensitive to the chamber pressure. With the chamber pressure increasing, the coercivity increased while the remanence and maxium engery product reached a maximum value at 0.05 MPa. The results of X-ray diffraction and transmission electron microscope showed that the Ce17Fe78B6 alloy had the highest volume fraction of hard magnetic Ce2Fe14B phase and uniform microstructure at a chamber pressure of 0.05 MPa, resulting in optimal magnetic properties.

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[Li Weidan, Tan Xiaohua, Ren Kezhi, Xu Hui, Hou Xueling, Lu Bo. Effect of chamber pressure on the magnetic property and microstructure of the Ce17Fe78B6 alloy[J]. Rare Metal Materials and Engineering,2017,46(7):2002~2006.]
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Received:March 23,2015
Revised:May 07,2015
Adopted:June 11,2015
Online: November 14,2017
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