Cladding

Details Cladding Cladding

1977-06-15

1978-10-24

Truhe, J. V.

Electric heating

Metal heating

By arc

219 761, B23K 2700

Patent

active

RE0298158

ABSTRACT:
A metal layer is clad to a metal substrate by laying spaced rods or wires of a cladding metal on the substrate surface and scanning the cladding metal with a continuously operating laser beam, part of which impinges directly on the cladding metal to melt it and part of which impinges on the adjacent surface area of the substrate to improve flow of molten metal thereon. The cladding metal may be fed to the substrate surface in synchronism with laser beam scanning. The process produces a clad layer of the cladding metal on the substrate characterized by a fine and homogeneous structure within the clad on layer and further characterized by uniform and high hardness compared to prior art cladding methods. The surface of the clad may be smoothed by locally oscillating the laser beam during the course of cladding and/or by multiple passes.

REFERENCES:
patent: 1986704 (1935-01-01), Bannister
patent: 3139511 (1964-06-01), Kudelko
patent: 3185814 (1965-05-01), Rossner et al.
patent: 3296408 (1967-01-01), Arnoldy
patent: 3310423 (1967-03-01), Ingham
patent: 3428774 (1969-02-01), Faust et al.
patent: 3493713 (1970-02-01), Johnson
patent: 3573420 (1971-04-01), Johnson
patent: 3673374 (1972-06-01), Hauck

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