Metal treatment – Compositions – Heat treating
Patent
1986-03-03
1987-07-07
Rutledge, L. Dewayne
Metal treatment
Compositions
Heat treating
148421, 376900, C21D 800, C22C 1600
Patent
active
046785213
ABSTRACT:
In a process for producing a zirconium-based alloy in which after the zirconium-based alloy is subjected to hot plastic working, it is subjected to cold plastic working and then to annealing and these steps are repeated at least twice, the present invention provides a process for producing a zirconium-based alloy characterized in that after the alloy is subjected to solid solution treatment in which it is heated to a temperature within the range including the .alpha. phase and the .beta. phase of the alloy, or within the range of the .beta. phase and is then quenched, cold plastic working is effected at least twice.
REFERENCES:
patent: 3567522 (1971-03-01), Thomas et al.
patent: 3645800 (1972-02-01), Mock et al.
patent: 3865635 (1975-02-01), Hofvenstam et al.
patent: 4000013 (1976-12-01), MacEwen et al.
patent: 4108687 (1978-08-01), Armand et al.
patent: 4450016 (1984-05-01), Vesterlund et al.
Andersson et al., Beta Quenching of Zircaloy Cladding Tubes in Intermediate or Final Size, ASTM 5th Inter. Conference.
Inagaki Masahisa
Jimbow Ryutarou
Kuniya Keiichi
Maki Hideo
Masaoka Isao
Hitachi , Ltd.
Rutledge L. Dewayne
Yee Deborah
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