M&M材料力学カンファレンス
Online ISSN : 2424-2845
セッションID: 903
会議情報
903 精密鋳造二方向形状記憶合金アクチュエータの性能評価(OS9-1 形状記憶材料の特性と応用)
林 正樹池田 忠繁渡邊 吉弘服部 兼久吉見 幸春藤井 栄治
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To obtain the two-way shape memory effect, a shot-peening treatment was applied. The shot-peening region works as a bias spring. In the previous report, it s showl that more than 0.2 % two-way strain could be obtained by this treatment. In this paper, fatigue property was examined. To this end, a fatigue machine was made, there specimens were immersed in hot and cold liquid alternately and cyclically. The results showed that the two-way strain reduced in the first several cycles but after the cycles the strain remained until at least 10,000 cycles.
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