Zirconium alloys having an integral .beta.-quenched corrosion-re

Details Zirconium alloys having an integral .beta.-quenched corrosion-re Zirconium alloys having an integral .beta.-quenched corrosion-re

1978-12-22

1981-07-21

Rutledge, L. Dewayne

Metal treatment

Compositions

Heat treating

75177, 148 39, 148133, C22C 1600, C22F 118

Patent

active

042796679

ABSTRACT:
A body composed of a zirconium alloy is afforded enhanced corrosion resistance to a high pressure and high temperature steam environment by an integral surface region of .beta.-quenched zirconium formed in situ by laser beam scanning and afforded good mechanical and structural properties by the underlying bulk region whose metallurgical structure is selected to optimize these mechanical properties.

REFERENCES:
patent: 3505126 (1970-04-01), Antes
patent: 3664825 (1972-05-01), Bergqvist et al.
patent: 3865635 (1975-02-01), Hofvenstam et al.
patent: 4122240 (1978-10-01), Banas et al.
Van Cleave, "Lasers Permit Precision Surface Treatments", Iron Age, Jan. 31, 1977, pp. 25-27.
"Laser Right on the Beam for Heat Treating Duty", Iron Age, Feb. 10, 1975, pp. 45-47.
"Surface Hardening and Alloying with a Laser Beam System", Industrial Heating, Jul. 1974, pp. 19-25.

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