Metal treatment – Stock – Nickel base
Reexamination Certificate
2011-07-26
2011-07-26
Wyszomierski, George (Department: 1733)
Metal treatment
Stock
Nickel base
C420S448000, C420S453000
Reexamination Certificate
active
07985304
ABSTRACT:
A nickel-base alloy having favorable toughness and thermal fatigue resistance comprises, in weight percentages based on total alloy weight: 9 to 20 chromium; 25 to 35 iron; 1 to 3 molybdenum; 3.0 to 5.5 niobium; 0.2 to 2.0 aluminum; 0.3 to 3.0 titanium; less than 0.10 carbon; no more than 0.01 boron; nickel; and incidental impurities. Also disclosed are die casting dies, other tooling, and other articles of manufacture made from or comprising the nickel-base alloy.
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Antony Michael M.
Cao Wei-Di
Kennedy Richard L.
Smythe John W.
ATI Properties Inc.
Grosselin, III John E.
K & L Gates LLP
Shevin Mark L
Viccaro Patrick J.
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