Martensitic Transformation of TiNi Shape Memory Alloy Fiber Reinforced Ni Matrix Composites

材料科学技术（英文）, 2003, 19(5): 416-418.

^1, , ^2, , ^3, , ^4,

1.Department of Materials Science and Engineering, University of Petroleum, Beijing 102249, China

2.Department of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 110083, China

3.Department of Materials Science and Engineering, University of Petroleum, Beijing 102249, China

4.Department of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 110083, China

基金项目: 国家自然科学基金(50071037)

Martensitic Transformation of TiNi Shape Memory Alloy Fiber Reinforced Ni Matrix Composites

Keywords： Shape memory alloys

In this paper, a TiNi shape memory alloy fiber Ni matrix composite was fabricated by an electroplating method using TiNialloy as the cathode and Ni as the anode. The constrained martensitic transformation behaviors of the TiNi alloy were studiedby differential scanning calorimeter (DSC), and the results showed that two endothermic peaks appear on the DSC heatingcurves and the reverse transformation temperatures increase with increasing prestrain levels. Moreover, comparing to the freetransformation, the temperature window of the constrained reverse transformation is widely expanded due to the influence ofrecovery stress.

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Martensitic Transformation of TiNi Shape Memory Alloy Fiber Reinforced Ni Matrix Composites

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