Synthesis of Iron-Based Laves Phase Containing Praseodymium Magnetostrictive Materials
来源期刊：JOURNAL OF RARE EARTHS2007年第4期
论文作者：Meng Xiangxi Liu Heyan Gao Jianbo Li Yangxian Li Songtao Qu Jingping Dong Bin
Key words：Laves phase; magnetostriction; synthesis; rare earths;
Abstract: The synthesis and magnetostriction of PrxTb1-xFe2, PrxTb1-xFe2B0.2 and PrxTb1-x(Fe0.6Co0.4)2 alloys were investigated in this study. The addition of boron or cobalt atom in PrxTb1-xFe2 could effectively prevent the formation of non-cubic phases, and Pr concentration limit was successfully increased from 0.2 to 0.4. X-ray step scanning for the PrxTb1-xFe2B0.2 and PrxTb1-x(Fe0.6Co0.4)2 alloys showed that PrFe2 possessed a large spontaneous magnetostriction λ111.
Meng Xiangxi1，Liu Heyan1，Gao Jianbo2，Li Yangxian1，Li Songtao3，Qu Jingping1，Dong Bin1
(1.School of Material Science and Engineering, Hebei University of Technology, Tianjin 300130,China;
2.Neutron Scattering Lab, China Institute of Atomic Energy, Beijing 102413, China;
3.State Key Laboratory of Magnetism, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China)
Abstract:The synthesis and magnetostriction of PrxTb1-xFe2, PrxTb1-xFe2B0.2 and PrxTb1-x(Fe0.6Co0.4)2 alloys were investigated in this study. The addition of boron or cobalt atom in PrxTb1-xFe2 could effectively prevent the formation of non-cubic phases, and Pr concentration limit was successfully increased from 0.2 to 0.4. X-ray step scanning for the PrxTb1-xFe2B0.2 and PrxTb1-x(Fe0.6Co0.4)2 alloys showed that PrFe2 possessed a large spontaneous magnetostriction λ111.
Key words:Laves phase; magnetostriction; synthesis; rare earths;
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