9.5Fe84B6.5 ribbons were prepared by melt-spinning. The effects of the chamber pressure and wheel speed on the magnetic property and microstructure of the Nd9.5Fe84B6.5 alloy were investigated. A complementary relationship between the chamber pressure and the wheel speed in rapid solidification of melt-spinning is proposed. The values of thickness and magnetic property in the ribbon sample prepared at the chamber pressure of 0.03 MPa and the wheel speed of 19 m/s are similar to that in the ribbon prepared at the chamber pressure of 0.05 MPa and the wheel speed of 15 m/s. XRD and TEM results show that the ribbons prepared at two conditions have same phase constitution and similar microstructure. Our work indicate that the melt-spun Nd9.5Fe84B6.5 ribbons with similar magnetic property and microstructure are obtained by controlling the chamber pressure and the wheel speed in rapid solidification, which can be used to serve as a guide in achieving permanent materials with good magnetic property in mass production."/>

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Effect of quenching parameters on magnetic property and microstructure of the Nd9.5Fe84B6.5 alloy
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Institute of Materials,School of Materials Science and Engineering,Shanghai University,Institute of Materials,School of Materials Science and Engineering,Shanghai University,Institute of Materials,School of Materials Science and Engineering,Shanghai University,Institute of Materials,School of Materials Science and Engineering,Shanghai University,Institute of Materials,School of Materials Science and Engineering,Shanghai University,Institute of Materials,School of Materials Science and Engineering,Shanghai University,Institute of Materials,School of Materials Science and Engineering,Shanghai University

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    Abstract:

    The Nd9.5Fe84B6.5 ribbons were prepared by melt-spinning. The effects of the chamber pressure and wheel speed on the magnetic property and microstructure of the Nd9.5Fe84B6.5 alloy were investigated. A complementary relationship between the chamber pressure and the wheel speed in rapid solidification of melt-spinning is proposed. The values of thickness and magnetic property in the ribbon sample prepared at the chamber pressure of 0.03 MPa and the wheel speed of 19 m/s are similar to that in the ribbon prepared at the chamber pressure of 0.05 MPa and the wheel speed of 15 m/s. XRD and TEM results show that the ribbons prepared at two conditions have same phase constitution and similar microstructure. Our work indicate that the melt-spun Nd9.5Fe84B6.5 ribbons with similar magnetic property and microstructure are obtained by controlling the chamber pressure and the wheel speed in rapid solidification, which can be used to serve as a guide in achieving permanent materials with good magnetic property in mass production.

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[Ren Kezhi, Tan Xiaohua, Xu Hui, Hou Xueling, Li Heyun, Liang Yang, Lu Bo. Effect of quenching parameters on magnetic property and microstructure of the Nd9.5Fe84B6.5 alloy[J]. Rare Metal Materials and Engineering,2018,47(10):3208~3212.]
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History
  • Received:December 21,2016
  • Revised:March 03,2017
  • Adopted:March 15,2017
  • Online: November 08,2018
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