| 摘要 |
PURPOSE:To obtain a shape memory alloy having a superior property of repeatedly memorizing the shape by adding a specified amount of a rare earth element to a Ti-Ni alloy. CONSTITUTION:To a Ti-Ni alloy or a Ti-Ni-X (X=Fe, Co or Cu) alloy is added <=5wt%, preferably 0.5-3.0wt% of 1 or >=2 kinds of rare earth elements such as La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Ho and Er. |
