| 摘要 |
An embodiment of the present invention comprises processing a beta titanium alloy by a method including the steps of cold working the alloy and then direct ageing the alloy for a total ageing time of less than 4 hours. For the materialization of the method, any beta-titanium alloy, such as the alloy Ti-38644 can be used. The method may include fabricating the alloy into the article of manufacture such as, for example, a bar, or a coil spring. The method may be utilized to produce articles with high tensile strength while retain ductility. The beta titanium alloy may be any beta titanium alloy, for example the alloy, comprising, by weight, 3.0% to 4.0% aluminium, 7.5 to 8.5% vanadium, 5.5 to 6.5% chromium, 3.5 to 4.5% molybdenum, 3.5 to 4.5% zirconium, and titanium. The alloy may be hot worked, cold worked to provide 5 to 60% reduction of the area of its cross-section and subjected to direct ageing for a total time of less than 4 h.
|
