Ti-Ni形状記憶合金を用いた実験実習の提案
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概要
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In recent years, smart materials have attracted attention. It is advantageous to use smart materials in experiments in order to gain knowledge of materials in general. Among smart materials, shape-memory alloys show interesting characteristics but have not been very much for material experiments. The purpose of this study is to report on an experiment using a shape-memory alloy. This alloy is sensitive to differences of composition. If the Ni-content is increased by 1%, then the transformation temperature decreases to about l00K and so the heat treatment temperature effect is large. A sample composite of Ti-46. 7Ni-6.6Cu (at%) was used for this experiment. The alloy was heat treated with 673K-1hour. The reverse transformation temperature becomes 345K when if does shape-memory processing in this situation. This temperature is the most suitable for the experiment. It used TG-DTA to measure transformation temperature. Power was measured using tension-tester and road cell.
- 長野工業高等専門学校の論文
- 2003-06-30
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