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Tb0.3Dy0.7(Fe,M)1.95合金的晶体轴向取向与磁致伸缩性能

张茂才, 蒋成保, 赵青, 高学绪, 史振华

张茂才, 蒋成保, 赵青, 高学绪, 史振华. Tb0.3Dy0.7(Fe,M)1.95合金的晶体轴向取向与磁致伸缩性能[J]. 工程科学学报, 1997, 19(1): 85-88,94. DOI: 10.13374/j.issn1001-053x.1997.01.017
引用本文: 张茂才, 蒋成保, 赵青, 高学绪, 史振华. Tb0.3Dy0.7(Fe,M)1.95合金的晶体轴向取向与磁致伸缩性能[J]. 工程科学学报, 1997, 19(1): 85-88,94. DOI: 10.13374/j.issn1001-053x.1997.01.017
Zhang Maocai, Jiang Chengbao, Zhao Qing, Gao Xuexu, Shi Zhenhua. Crystallogrphic Orientation and Magnetostrictive Properties of Directionally Solidified Laves-phase Tb0.3Dy0.7(Fe,M)1.95 Alloys[J]. Chinese Journal of Engineering, 1997, 19(1): 85-88,94. DOI: 10.13374/j.issn1001-053x.1997.01.017
Citation: Zhang Maocai, Jiang Chengbao, Zhao Qing, Gao Xuexu, Shi Zhenhua. Crystallogrphic Orientation and Magnetostrictive Properties of Directionally Solidified Laves-phase Tb0.3Dy0.7(Fe,M)1.95 Alloys[J]. Chinese Journal of Engineering, 1997, 19(1): 85-88,94. DOI: 10.13374/j.issn1001-053x.1997.01.017

Tb0.3Dy0.7(Fe,M)1.95合金的晶体轴向取向与磁致伸缩性能

详细信息
    作者简介:

    张茂才 男 48岁 高级工程师

  • 分类号: TG132.2

Crystallogrphic Orientation and Magnetostrictive Properties of Directionally Solidified Laves-phase Tb0.3Dy0.7(Fe,M)1.95 Alloys

  • 摘要: 研究了Tb0.3Dy0.7(Fe1-x,Mx)1.95(M=Mn,Al,B,Ti,x=0.03)合金在高温度梯度区熔定向凝固过程中,晶体轴向取向、结晶形貌随晶体生长速度的变化规律和不同晶体轴向取向与磁致伸缩应变之间的关系.结果发现,晶体生长速度由低变高时,晶体由平面晶向胞状晶、胞技晶、树枝晶生长转化.晶体也相应地由利<110>,<112>变化为<110>+<113>+<112>混合轴向取向.完全的<112>轴向取向可获得优异的磁致伸缩性能.
    Abstract: The crystallographic orientation, morphologies and the relationship between the orientation and magnetostrictive properties of directionally solidified Laves-phasee Tb0.3Dy0.7 (Fe,M)1.95 alloys by zone melting with high thermal gradient GL wre studied.With increasing in Laves-phase growth vilocity at a high GL given, it is shown that the solidification structure of alloys are from planar to cellular and to final dentritic structure,and meanwhile the crystallographic orientation of the Laves-phase are various correspondently. The optimum magnetostrictive properties of the alloys with perfect <112> axial orientation are obtained.
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出版历程
  • 收稿日期:  1996-09-09
  • 网络出版日期:  2021-08-26
  • 刊出日期:  1997-01-24

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