Method of strengthening aluminum castings in a specified local p

Details Method of strengthening aluminum castings in a specified local p Method of strengthening aluminum castings in a specified local p

1991-04-22

1994-05-03

Dean, R.

Metal treatment

Process of modifying or maintaining internal physical...

Surface melting

148516, 148524, 148525, 148527, 148531, 148535, 219 761, 219 7613, 219 7614, 219 7615, 219 7616, C22F 300

Patent

active

053084098

ABSTRACT:
A method of strengthening an aluminum casting by modifying qualities of a specified part thereof comprises the steps of forming a weld overlay on the specified part using powders made of heat resisting element and remelting the specified part, now overlaid with the layer of heat resisting alloy layer, using high density energy.

REFERENCES:
patent: 3310423 (1967-03-01), Ingham, Jr.
patent: 3428442 (1969-02-01), Yurasko, Jr. et al.
patent: 4233490 (1980-11-01), Shalai et al.
patent: 4401726 (1983-08-01), Gnanamuthu
Welding International, vol. 2, No. 6, 1988, pp. 510-513, V. R. Ryadov, et al., entitled "Local Hardening of Components of Aluminum Alloys".

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