Patent ID: 7037389
Filing Date: 2006-05-02
Classification: B21K,C22F

Abstract:
1. A non-axially symmetrical manufactured part having a thickness less than 10 mm, made of a quasi-β titanium alloy, and having a core microstructure comprising whole grains having a slenderness ratio greater than 4 and an equivalent diameter lying in the range of 10 μm to 300 μm, wherein the whole grains comprise lens-shaped forms, and non β-parts within the whole grains are α-needles, the manufactured part being made by a process comprising: obtaining an enameled blank; where necessary, transforming said blank into a long part of equivalent diameter less than 100 mm; forging said long part with a final heating operation carried out at a temperature above a β transition; quenching said forged long part; and tempering said quenched forged long part.