Laser hardening of steel work pieces

Details Laser hardening of steel work pieces Laser hardening of steel work pieces

1980-02-29

1982-02-02

Dean, R.

Metal treatment

Compositions

Heat treating

148 27, C21D 106

Patent

active

043137717

ABSTRACT:
A method of hardening the surface of steel work pieces is disclosed wherein the work piece is first treated with a solution to cause the blackening thereof and subsequently subjected to a laser beam for a time sufficient to raise the surface temperature thereof into the austenitic phase.

REFERENCES:
patent: 3447974 (1969-06-01), Saubestre et al.
Surface Hardening and Alloying with a Laser Beam System, Industrial Heating, vol. XLI, No. 7, Jul. 1974, pp. 19-25.
Frederick A. Lowenheim, Electroplating, pp. 449-451, McGraw-Hill Book Company.

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