Coating processes – Electrical product produced – Welding electrode
Patent
1980-09-08
1981-11-10
Newsome, John H.
Coating processes
Electrical product produced
Welding electrode
217121LE, 427319, B05D 306
Patent
active
042998603
ABSTRACT:
A method of impregnating the surface of a metal substrate with wear resist particles to impart wear resisting characteristics to the surface. The substrate surface is subjected to a relatively moving high-powered laser beam to cause localized surface melting in passes thereacross, and hard wear resistant particles are forcibly velocity injected into the melt. The particles are captured upon solidification of the melt pool and retained therein by metallurgical bond. A wear resistant layer is formed which is an integral part of the underlying material.
REFERENCES:
patent: T967009 (1978-02-01), Gale
patent: 1654509 (1927-12-01), Claus
patent: 3148086 (1964-09-01), Seibert
patent: 4051275 (1977-09-01), Forestek
patent: 4157923 (1979-06-01), Yen et al.
patent: 4200669 (1980-04-01), Schaefer et al.
Ayers Jack D.
Schaefer Robert J.
Tucker Thomas R.
Ellis William T.
Newsome John H.
Sciascia R. S.
The United States of America as represented by the Secretary of
Walden Kenneth E.
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