Heat treatment

Details Heat treatment Heat treatment

1981-08-18

1983-12-27

Skiff, Peter K.

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

C22F 118

Patent

active

044228872

ABSTRACT:
A heat treatment process to improve the strength of weldable near alpha titanium alloys comprising solution treating the alloy in the beta field and stress relief treating the alloy at two different temperatures, one of which is at 535.degree. C..+-.100.degree. C., particularly suitable for the titanium alloy containing 5.5% aluminium, 3.5% tin, 3% zirconium, 1% niobium, 0.25% molybdenum, 0.3% silicon.

REFERENCES:
patent: 3649374 (1972-03-01), Chalk
patent: 3833363 (1974-09-01), Bomberger, Jr. et al.
patent: 4087292 (1978-05-01), Neal et al.
patent: 4094708 (1978-06-01), Hubbard et al.
Nishimura et al., "The Age Hardening Characteristics and Mechanical Properties in Titanium Alloy T:-2Co-1Zr", Titanium Science and Technology Plenum Press, N.Y., 1973, pp. 1853-1867.

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