Effects on Temperature-Induced Phase Transition of Ni2MnGa Polycrystalline Ferromagnetic Shape Memory Alloys

Yu Ping Zhu; Yun Ling Gu; Hong Guang Liu

doi:10.4028/www.scientific.net/AMM.697.12

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 697Effects on Temperature-Induced Phase Transition of...

Effects on Temperature-Induced Phase Transition of Ni₂MnGa Polycrystalline Ferromagnetic Shape Memory Alloys

Abstract:

Ferromagnetic shape memory alloy is a kind of new smart material. Directional solidification method in producing polycrystalline Ni₂MnGa is mature and effective. In order to increase the strain of Ni₂MnGa polycrystalline prepared by directional solidification, mechanical training is an effective method. In this paper, the tests of temperature-induced strain are carried out in different directions of Ni₂MnGa prepared by directional solidification using three kinds of specimens with various mechanical training. Through analyzing the mechanical properties in different directions, the influence of mechanical training on the temperature-induced strain are investigated. Some conclusions which may provide references for the engineering applications of this material are gained.

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Periodical:

Applied Mechanics and Materials (Volume 697)

Pages:

12-16

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.697.12

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Online since:

November 2014

Authors:

Yu Ping Zhu*, Yun Ling Gu, Hong Guang Liu

Keywords:

Directional Solidification, Ferromagnetic Shape Memory Alloy, Mechanical Training, Temperature-Induced Strain

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