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介绍了NiTiHf高温形状记忆合金的研究状况 ,重点评述了NiTiHf合金的设计以及Hf的添加和热处理对合金的相变、力学行为和形状记忆效应的影响 ,并对它们所对应的微观机制作了一定的分析
The research status of NiTiHf high temperature shape memory alloy is introduced. The design of NiTiHf alloy and the influence of Hf addition and heat treatment on the phase transformation, mechanical behavior and shape memory effect of NiTiHf alloy are reviewed. The corresponding microscopic mechanisms are also made Analysis