C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
75/53, 148/35.7
C22C 16/00 (2006.01) C22F 1/18 (2006.01) G21C 3/07 (2006.01)
Patent
CA 2024068
This is an alloy comprising, by weight percent, 0.5-2.0 niobium, 0.7-1.5 tin, 0.07-0.14 iron, and 0.03- 0.14 of at least one of nickel and chromium, and at least 0.12 total of iron, nickel and chromium, and up to 220 ppm C, and the balance essentially zirconium. Preferably, the alloy contains 0.03-0.08 chromium, and 0.03-0.08 nickel. The alloy is also preferably subjected intermediate recrystallization anneals at a temperature of about 1200- 1300°F, and to a beta quench two steps prior to final size.
Comstock Robert John
Foster John Paul
Sabol George Paul
Worcester Samuel Austin
Bereskin & Parr
Westinghouse Electric Corporation
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