Processing CoCrMo thin line and its production method, and this thin line, the surface condition body and the tubular body which become, the twisting line and cable

摘要

PPROBLEM TO BE SOLVED: To provide a Co-Cr-Mo-based thin wire having superior biological compatibility, corrosion resistance, abrasion resistance, workability and flexibility; a manufacturing method therefor; and a planer body and the like made by working the thin wire. PSOLUTION: The thin wire comprises 26-31 mass% Cr, 8-16 mass% Mo and the balance Co with unavoidable impurities; has a diameter of 300 μm or smaller and a circularity (= shorter diameter/longer diameter) of 0.6 or more in the cross section; and has an inner structure substantially consisting of only either of or only both of a γ phase (a Co-based solid solution of a face-centered cubic crystal) and an ε phase (a Co-based solid solution of a hexagonal close-packed crystal). PCOPYRIGHT: (C)2005,JPO&NCIPI