K-0402 Ti-Ni-Cu形状記憶合金の変態温度に及ぼすサイクル効果(S08-1 機能特性・変態)(S08 形状記憶合金の製造・加工技術と機能発現)

概要

論文の詳細を見る
Repeated uses of shape memory alloy cause the functional degradation. The changes in the function appear depending on cyclic conditions. In this paper, the effects of cyclic use on the change in the transformation temperature were investigated for a Ti-40Ni-10Cu(at%) shape memory alloy. After thermo-mechanical and superelastic cycle tests were carried out, the changes of each transformation temperature were measured using the DSC. Results show that the changes in the transformation temperatures can be estimated unificationally using the accumulated strain energy, which can be defined as the total decrease of recovery strain energy, regardless of cyclic modes. Formulated the change in the accumulated strain energy as a function of cyclic number and maximum strain, the transformation temperatures can be predicted for any cyclic numbers.
一般社団法人日本機械学会の論文
2001-08-22