Surface treatment of metals

Details Surface treatment of metals Surface treatment of metals

1985-09-09

1986-12-16

Newsome, John H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

20419231, 2504922, B05D 306

Patent

active

046296310

ABSTRACT:
A process for hardening the surface of a metal body in which the surface is first bombarded with ions capable of occupying interstitial sites in its crystal lattice, then a coating of a reactive metal is deposited on the surface, and finally the coating is bombarded with ions which will react with it to form a hard material such as a carbide or nitride. The bombardment is continued until the hard material has become embodied in the surface by means of radiation enhanced diffusion.

REFERENCES:
patent: 3832219 (1974-08-01), Nelson et al.
patent: 3900636 (1975-08-01), Curry et al.
patent: 4105443 (1978-08-01), Dearnaley et al.
patent: 4465524 (1984-08-01), Dearnaley et al.
patent: 4486247 (1984-12-01), Ecer et al.
patent: 4532149 (1985-03-01), McHargue

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