DSC study on temperature memory effect of NiTi shape memory alloy

被引:0
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作者
N.LIU
机构
关键词
shape memory alloy; differential scanning calorimeter; temperature memory effect; phase transformation; energy absorption/release;
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中图分类号
TG139.6 [];
学科分类号
080502 ;
摘要
A systematic study on the temperature memory effect (TME) in a polycrystalline NiTi shape memory alloy was presented. The investigation was carried out through a series of differential scanning calorimeter (DSC) tests. Two types of tests were conducted, namely single-step test and multi-step test. The influence of the step temperature on the peak/trough temperatures in the subsequent heating process and the associated energy absorption/release in the phase transformations was investigated. Using a simple theoretical model, the exact mechanism behind TME was studied.
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页码:37 / 41
页数:5
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