Investigation on Ce Addition on Microstructure and Martensitic Transformation of a Ti51Ni49 Shape Memory Alloy

Ai Lian Liu; Nan Nan Mao; Jia Wen Xu; Wei Cai

doi:10.4028/www.scientific.net/MSF.852.28

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HomeMaterials Science ForumMaterials Science Forum Vol. 852Investigation on Ce Addition on Microstructure and...

Investigation on Ce Addition on Microstructure and Martensitic Transformation of a Ti₅₁Ni₄₉ Shape Memory Alloy

Abstract:

The effect of rare earth element Ce addition on the microstructure and martensitic transformation behavior of Ti₅₁Ni₄₉ shape memory alloy was investigated by scanning electronic microscope (SEM), X-ray diffraction (XRD) and differential scanning calorimetry (DSC). The results show that the microstructure of TiNiCe ternary alloy consists of Ti₂Ni phase, CeNi phase and the matrix. One-step martensitic transformation is observed in quenched TiNiCe ternary alloys, which is the same as that in quenched TiNi binary alloys. The martensitic transformation temperatures of Ti-rich TiNi alloy hardly increase with Ce addition.

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Materials Science Forum (Volume 852)

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28-32

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https://doi.org/10.4028/www.scientific.net/MSF.852.28

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April 2016

Authors:

Ai Lian Liu, Nan Nan Mao, Jia Wen Xu, Wei Cai

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Ce, Martensitic Transformation, Microstructure, TiNi Shape Memory Alloy

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