521 Ti-Ni 系形状記憶合金の機能劣化特性

概要

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The shape memory alloy has some useful property. One of the property is the shape memory effect, and the other is the superelasticity (psuedelasticity). These properties are drawn attention from various fields such as the medical, engineering fields and so on. The shape memory alloy is often used under cyclic condition, in this case the degradation of these function is occurred. So, considering the equipments using the shape memory alloy as a element, it is necessary to investigate the degradation property. In this paper, the thermo-mechanical cyclic tests which were combined heating-cooling with loading-unloading for the Ti-41.7Ni-8.5Cu (at%) shape memory alloy were carried out, and the effect of various elements such as the shape memory treatment temperature, the heating temperature, the cold working ratio, and the maximum strain for degradation of functions are investigated experimentally.
一般社団法人日本機械学会の論文
2000-10-05