amp;bgr;-titanium alloy wire, method for its production and medical instruments made by said amp;bgr;-titanium alloy wire

摘要

The diamter of &bgr;-titanium alloy wire is reduced by cold wire-drawing and the &bgr;-titanium alloy wire is subjected to heat treatment. The heat treatment comprises the first aging process for precipitation strengthening and the second aging process for removing processing strain. &bgr;-titanium alloy wire is heat-treated under the supply of tension at the second aging process.