【摘要】 Ni Ti合金具有优异的形状记忆功能和良好的生物体兼容性,近年来对它的应用研究受到工程界和医学界的重视,同时对Ni Ti合金形状记忆效应的微观机制的研究也在逐步深入。介绍了Ni Ti合金的主要特性及影响其形状记忆功能的主要因素,总结了Ni Ti合金的形状记忆效应和超弹性的微观机制研究现状,并指出了需对该合金进一步研究的一些问题。更多还原

【Abstract】 NiTi shape memory alloys have attracted great attention in engineering and medical fields in recent year due to their excellent shape memory effect and biological compatibility.The research on the micromechanism of shape memory effect in NiTi alloys is making progress step by step. This paper presents the main properties of NiTi alloys and the main factors which influence the shape memory effect of the alloy,summarizes present studies on the micromechanism of shape memory effect and superelasticity in NiTi alloys,finally points out some questions about the alloys to be studied.更多还原