Case-hardening method for carbon steel

Details Case-hardening method for carbon steel Case-hardening method for carbon steel

1975-02-11

1977-02-08

Kendall, Ralph S.

Coating processes

Coating by vapor, gas, or smoke

Carbon or carbide coating

427253, 427399, 148 14, C23F 1108, C23F 902

Patent

active

040073025

ABSTRACT:
A case-hardening method for carbon steel useful in the cementation thereof by the solid powder method is provided which involves forming a powder mixture of titanium powder, chromium oxide powder and a catalyst which is a halogenated salt, embedding carbon steel in said powder mixture and subjecting the resultant mixture to a heat treatment to form thereby a carbide hardened layer composed mainly of titanium carbide.

REFERENCES:
patent: 2685545 (1954-08-01), Sindeband
patent: 2962399 (1960-11-01), Ruppert et al.
patent: 3579373 (1971-05-01), Pingel

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