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Fe83Ga17R0.6(R=Ce,Tb和Dy)合金的微結(jié)構(gòu)與磁致伸縮性能
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內(nèi)蒙古農(nóng)業(yè)大學(xué)水利與土木建筑工程學(xué)院,內(nèi)蒙古師范大學(xué)物理與電子信息學(xué)院,包頭稀土研究院,包頭稀土研究院,包頭稀土研究院,包頭稀土研究院

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TG113

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國家自然科學(xué)基金項目（51461001）；內(nèi)蒙古自然科學(xué)基金項目（2014MS0540, 2014MS0542）；內(nèi)蒙古自治區(qū)高等學(xué)校科學(xué)研究項目（NJZY14082）； 內(nèi)蒙古大學(xué)高層次人才基金項目(115304)


Microstructure and Magnetostriction of Fe83Ga17R0.6(R=Ce,Tb and Dy) Alloys
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School of Water Conservancy and Civil Engineering, Inner Mongolia Agricultural University,School of Physics and Electronic Information, Inner Mongolia Normal University,Baotou Research Institute of Rare Earths,Baotou Research Institute of Rare Earths,Baotou Research Institute of Rare Earths,Baotou Research Institute of Rare Earths

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    摘要:

    為改善多晶Fe-Ga合金的磁致伸縮性能，在Fe-Ga合金中摻雜稀土Ce、Tb和Dy元素。 研究了Fe83Ga17和Fe83Ga17R0.6 (R=Ce、Tb和Dy)合金的結(jié)構(gòu)和磁致伸縮性能。結(jié)果表明，F(xiàn)e83Ga17合金由單一bcc結(jié)構(gòu)Fe(Ga)固溶體相組成，而摻雜稀土后的Fe83Ga17R0.6合金中除保持bcc結(jié)構(gòu)的Fe(Ga)固溶體相外，還出現(xiàn)了R2Fe17第二相。摻雜稀土后的Fe83Ga17R0.6合金磁致伸縮系數(shù)明顯大于Fe83Ga17合金。摻雜不同種類的稀土元素對Fe-Ga合金磁致伸縮性能改善的程度不同。在外磁場為557 kA/m時，F(xiàn)e83Ga17Ce0.6合金的磁致伸縮系數(shù)(206×10-6)明顯大于Fe83Ga17Tb0.6 (165×10-6)和Fe83Ga17Dy0.6 (161×10-6)合金的磁致伸縮系數(shù)。

    Abstract:

    In order to improve magnetostrictive properties of the polycrystalline Fe-Ga alloys, the rare earth elements Ce, Tb and Dy were doped into Fe-Ga alloys. The microstructures and magnetostrictions of Fe83Ga17 and Fe83Ga17R0.6 ( R=Ce, Tb and Dy ) alloys were studied. The results indicated that Fe83Ga17 alloy consists of a single Fe(Ga) solid solution phase with bcc structure. However, the Fe83Ga17R0.6 ( R=Ce, Tb and Dy ) alloys are composed of the Fe(Ga) solid solution phase and a small amount of R2Fe17 secondary phase. The magnetostriction coefficients of the Fe83Ga17R0.6 ( R=Ce, Tb and Dy ) alloys are significantly larger than that of the Fe83Ga17 alloy. The improvement degree of magnetostrictive properties of Fe-Ga alloy varies with different rare earth elements doping into the alloy. The magnetostriction coefficient of Fe83Ga17Ce0.6 alloy (206×10-6) is larger than that of the Fe83Ga17Tb0.6 (165×10-6) and Fe83Ga17Dy0.6 (161×10-6) at the magnetic field of 557 kA/m.

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姚占全,田曉,郝宏波,吳雙霞,江麗萍,趙增祺. Fe83Ga17R0.6(R=Ce, Tb和Dy)合金的微結(jié)構(gòu)與磁致伸縮性能[J].稀有金屬材料與工程,2016,45(7):1777~1781.[Yao Zhanquan, Tian Xiao, Hao Hongbo, Wu Shuangxia, Jiang Liping, Zhao Zengqi. Microstructure and Magnetostriction of Fe83Ga17R0.6(R=Ce, Tb and Dy) Alloys[J]. Rare Metal Materials and Engineering,2016,45(7):1777~1781.]
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  • 收稿日期:2014-06-18
  • 最后修改日期:2015-01-11
  • 錄用日期:2015-02-06
  • 在線發(fā)布日期: 2016-10-09
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