Metal treatment – Process of modifying or maintaining internal physical... – Heating or cooling of solid metal
Reexamination Certificate
2005-06-21
2005-06-21
King, Roy (Department: 1742)
Metal treatment
Process of modifying or maintaining internal physical...
Heating or cooling of solid metal
Reexamination Certificate
active
06908518
ABSTRACT:
A nickel base superalloy suitable for the production of a large, crack-free nickel-base superalloy gas turbine bucket suitable for use in a large land-based utility gas turbine engine, comprising, by weight percents:Chromium 7.0 to 12.0Carbon 0.06 to 0.10Cobalt 5.0 to 15.0Titanium 3.0 to 5.0Aluminum 3.0 to 5.0Tungsten 3.0 to 12.0Molybdenum 1.0 to 5.0Boron 0.0080 to 0.01Rhenium 0 to 10.0Tantalum 2.0 to 6.0Columbium 0 to 2.0Vanadium 0 to 3.0Hafnium 0 to 2.0 andremainder nickel and incidental impurities.
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Bouse Gregory Keith
Henry Michael Francis
Schaeffer Jon Conrad
General Electric Company
King Roy
Nixon & Vanderhye
Wilkins, III Harry D.
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