US 7,320,238 B1
Method of forging a titanium alloy
Wayne E. Voice, Nottingham (United Kingdom)
Assigned to Rolls-Royce PLC, London (United Kingdom)
Filed on Jul. 08, 2005, as Appl. No. 11/176,382.
Claims priority of application No. 0416764 (GB), filed on Jul. 28, 2004.
Int. Cl. B21B 45/00 (2006.01); B21B 45/02 (2006.01)
U.S. Cl. 72—46  [72/42] 13 Claims
OG exemplary drawing
 
1. A method of forging a titanium alloy including vanadium, the method comprising:
applying a protective coating onto the titanium alloy; and
applying a glass lubricant coating onto the protective coating and forging the titanium alloy at a high temperature, the protective coating being selected from a group consisting of an aluminide coating, a silicon modified aluminide coating, a platinum aluminide coating, an aluminum coating and a platinum coating.