Thermomechanical treatment of Ti 6-2-2-2-2

Details Thermomechanical treatment of Ti 6-2-2-2-2 Thermomechanical treatment of Ti 6-2-2-2-2

1991-07-22

1993-06-01

Roy, Upendra

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

72709, 148670, 420419, 420421, 420902, C22F 100, C21D 800

Patent

active

052156001

ABSTRACT:
A sheet of Ti 6-2-2-2-2 alloy having a starting thickness of between approximately 0.040 inches and 0.187 inches is thermomechanically treated at a temperature of between approximately 1500 degrees F. and 1750 degrees F. at a mechanical strain rate in the range of between approximately 1.times.10.sup.-4 and 1.times.10.sup.-2 inch per inch per second to produce a formed part having a tensile strength which is approximately 33% greater than untreated rolled Ti 6-2-2-2-2 alloy sheet or plate.

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Weiss et al. Met. Trans. 17A (1986) 1935.
Ghosh et al. Met. Trans. 13A (1982) 733.
Wert et al. Met. Trans. 14A (1983) 2535.

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