C - Chemistry – Metallurgy – 22 – F
Patent
C - Chemistry, Metallurgy
22
F
148/55.2
C22F 1/10 (2006.01)
Patent
CA 1313110
PC-2209 ABSTRACT A process for heat treating alloy objects which comprises solution treating a nickel-base alloy containing chromium, molybdenum, copper, titanium, aluminum and iron at a temperature in excess of 955°C and then aging the alloy without intervening cold work at a temperature in the range of 700°C to 720°C. This treatment provides non-cold worked structure which is tough, not susceptible to stress corrosion cracking in a test environment simulating a sour gas well environment and which exhibits high level of fracture energy in a slow strain rate tensile test in that environment.
551984
Clatworthy Edward Frederick
Ganesan Pasupathy
Harris Jerry Ardon
Inco Alloys International Inc.
Smart & Biggar
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