Manufacturing process to reduce large grain growth in zirconium

Details Manufacturing process to reduce large grain growth in zirconium Manufacturing process to reduce large grain growth in zirconium

1984-08-01

1987-03-03

Brody, Christopher W.

Metal treatment

Compositions

Heat treating

148133, C22F 118

Patent

active

046473173

ABSTRACT:
A method of treating cold-worked zirconium alloys to reduce large grain gth during thermal treatment at temperatures above the recrystallization temperature of the alloy comprising heating the cold-worked alloy between about 1300.degree.-1350.degree. F. for 1 to 3 hours prior to treatment above its recrystallization temperature.

REFERENCES:
patent: 3111475 (1963-11-01), Davidson
patent: 3131129 (1964-04-01), Morrison
patent: 3291698 (1966-12-01), Fortescue
patent: 3413196 (1968-11-01), Fortescue et al.
patent: 3442761 (1969-05-01), Feraday
patent: 3645800 (1972-02-01), Molk et al.
patent: 4452648 (1984-06-01), Cheadle et al.

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