Martensitic transformation and shape memory effect in Ni54.75Mn13.25Fe7Ga25 ferromagnetic shape memory alloy

Martensitic transformation and shape memory effect in Ni54.75Mn13.25Fe7Ga25 ferromagnetic shape memory alloy
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Ni54.75Mn13.25Fe7Ga25铁磁形状记忆合金的马氏体相变与形状记忆效应

DOI:
10.1016/j.msea.2007.07.053
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发表时间:
2008-05
影响因子:
6.4
通讯作者:
--
中科院分区:
材料科学1区
文献类型:
--
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本文研究了Ni{sub 54.75}Mn{sub 13.25}Fe{sub 7}Ga{sub 25} (at.%)合金的马氏体相变和形状记忆效应。结果表明,电子束加热下具有平行能带亚结构的四方马氏体转变为母相。可以清楚地观察到马氏体带变得越来越小,最后完全转变为母相。由于马氏体相变及其逆相变,这种未变形多晶合金获得了约1.5%的大可逆相变应变。该转变应变也因外部磁场而增加至1.8%。据信,磁场对马氏体变体的择优取向的影响增加了相变应变。
The martensitic transformation and shape memory effect of Ni{sub 54.75}Mn{sub 13.25}Fe{sub 7}Ga{sub 25} (at.%) alloy are studied in the present paper. It is shown that tetragonal martensite with parallel bands substructure transforms to parent phase heated by electron beam. It can be clearly observed that the martensite band becomes smaller and smaller, then transforms to parent phase completely in the end. A large reversible transformation strain, about 1.5%, is obtained in this undeformed polycrystalline alloy due to martensitic transformation and its reverse transformation. This transformation strain is also increased to 1.8% by the external magnetic field. It is believed that the effect of the magnetic field on the preferential orientation of martensitic variants increases the transformation strain.
DOI: 10.1016/j.msea.2003.10.361
发表时间: 2004-07
影响因子: 6.4
作者:
V. Chernenko;J. Pons;E. Cesari;A. Perekos
通讯作者: V. Chernenko;J. Pons;E. Cesari;A. Perekos
DOI: 10.1063/1.1447003
发表时间: 2002-01
影响因子: 4
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DOI: 10.1063/1.1512948
发表时间: 2002-10-07
影响因子: 4
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Jiang, CB;Liang, T;Wu, GH
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DOI: 10.1063/1.1458075
发表时间: 2002-03-11
影响因子: 4
作者:
Sozinov, A;Likhachev, AA;Ullakko, K
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DOI: 10.2320/matertrans1989.41.882
发表时间: 2000-08
期刊: Materials Transactions Jim
影响因子: --
作者:
T. Kakeshita;T. Takeuchi;T. Fukuda;T. Saburi;R. Oshima;S. Muto;K. Kishio
通讯作者: T. Kakeshita;T. Takeuchi;T. Fukuda;T. Saburi;R. Oshima;S. Muto;K. Kishio