Ti-Ni基形状记忆合金的特性和应用研究进展

Research Progress of Properties and Applications of Ti-Ni Based Shape Memory Alloys

Ti-Ni基形状记忆合金具有优异的性能,已在机械电子、航空航天、建筑工程、生物医疗及日常生活等领域得到广泛应用。近年来,对该合金特性及应用的研究取得了很大发展。论述了Ti-Ni基形状记忆合金的形状记忆效应、超弹性、高阻尼特性的种类、机制、影响因素及应用的研究进展,指出了该合金的发展方向,提出了该研究领域今后的研究重点和需进一步解决的问题。

Ti-Ni based shape memory alloys have excellent properties, which were extensively used in the mechanical engineering, the aerospace, the architectural engineering, the biomedicine engineering and daily life’s field. In recent years,much progress was achieved in the investigation of characteristics and applications for the alloy. The progress in study on the type, the mechanism, the influencing affect, and the application of shape memory effect, superelasticity and high damping characteristics in Ti-Ni based shape memory alloys were reviewed. The developing directions of the alloys were pointed out.The research emphasis and the problems need to solve further in the research field was put forward.