Method for generating hard, wear-proof surface layers on a metal

Details Method for generating hard, wear-proof surface layers on a metal Method for generating hard, wear-proof surface layers on a metal

1983-06-06

1985-08-27

Newsome, John H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427 49, 427 531, C23C 304

Patent

active

045377936

ABSTRACT:
Hard, wear-proof surfaces are produced on a metallic material, such as a ferrous material, by applying a decomposable compound containing an element capable of hardening metallic materials, in the form of a powder, a paste-like admixture or a liquid, onto surfaces to be hardened, and applying an energy surge, obtained from, for example, a laser beam or an electron beam, to the surfaces containing such coating so as to decompose the coating and release the element which diffuses into the surface to be hardened. With this process, the base material is not subjected to any meaningful thermal loads and is not altered in term of its mechanical and physical properties.

REFERENCES:
patent: 3508977 (1970-04-01), Basche
patent: 3936327 (1976-02-01), Fichtl
patent: 4126488 (1978-11-01), Kunst et al.
patent: 4229232 (1980-10-01), Kirkpatrick
patent: 4321073 (1982-03-01), Blair
Technologie der Warmebehandlung von Stahl (Technology for Thermal Treatment of Steel), Ed. by Dr. Hans-Joachim Eckstein, (1976), pp. 161-170.

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