Metal treatment – Compositions – Heat treating
Patent
1984-09-17
1985-06-04
Sheehan, John P.
Metal treatment
Compositions
Heat treating
148 115F, 148133, C21D 156
Patent
active
045212597
ABSTRACT:
A method of continuously nitrogen annealing zirconium and zirconium alloys at temperatures at from 1000.degree. F. to 1600.degree. F. for from 1/2 minute to 10 minutes.
REFERENCES:
patent: 2804410 (1957-08-01), Wyatt et al.
patent: 3787223 (1974-01-01), Reedy
patent: 4000013 (1976-12-01), MacEwen et al.
patent: 4098623 (1978-07-01), Ibaraki et al.
patent: 4183773 (1980-01-01), Kawasoko et al.
Sheehan John P.
Teledyne Industries Inc.
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