Forging compound and method of using the same

Details Forging compound and method of using the same Forging compound and method of using the same

C - Chemistry, Metallurgy

10

M

78/1, 253/10

C10M 111/04 (2006.01) C10M 103/00 (2006.01)

Patent

CA 1088505

Abstract A forging compound particularly adapted for hot die dwell forging of titanium and its alloys comprises boundary layer parti- cles (boron nitride or graphite) and a major quantity (more than 60% by weight) of vitreous components. The virtreous components comprise diboron trioxide and silica frit containing a metal oxide wetting agent. In a preferred form, the forging lubricant com- prises about 14 to 25% by weight boron nitride particles, balance, vitreous components. The latter comprise about 60% to 75% by weight diboron trioxide,balance silica glass containing cobalt oxide wetting agent in an amount of 1.0 to 3% by weight of the vitreous components. All the foregoing ingredients may be dis- persed in a coatable carrier preferably comprising a solvent, e.g., xylene, in which a resin binder is dissolved. A method of using the lubricant includes coating workpieces with the lubri- cant, heating the workpieces to forging temperature, and impossing forging pressure on the workpiece within an enclosed die for a dwell period to creep-flow the workpiece metal into conformity with the forging die.

269765

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