| 摘要 |
PROBLEM TO BE SOLVED: To provide an alloy material excellent in superelastic property even with Ni free, good in X-ray imaging property and usable in the medical field.SOLUTION: The invention is a superelastic alloy containing 8.0 mass% to 20.0 mass% of Au and at least one of C and Mo as essential additive elements, Ta as an optional additive element and the balance Ti with inevitable impurities and having a Cr equivalent calculated based on the following formula regarding relations with Cr content, Mo content and Ta content in a range of over 5.0 to less than 8.0.SELECTED DRAWING: None |
