| 摘要 |
PURPOSE:The titled traveller that is made of a shape memory alloy changing between martensite structure and austenite one, thus having a bar shape at low temperatures and a prescribed traveller shape at room temperature and showing easy handleability to permit the easy fitting of it to the ring. CONSTITUTION:A shape memory alloy such as Ni-Ti or Cu-Zn-Al is used so that it is a short bar 1 of martensite structure and changes into the shape of the traveller 2 of austenite structure at room temperature. |
