Continuous furnace for gas carburizing and hardening

Details Continuous furnace for gas carburizing and hardening Continuous furnace for gas carburizing and hardening

1986-07-07

1989-02-28

Brody, Christopher W.

Metallurgical apparatus

With control means responsive to sensed condition

With means supplying a treating agent

266250, 266252, 266259, C21D 1100

Patent

active

048078530

ABSTRACT:
A method of gas carburizing and hardening a steel article and a continuous furnace therefor. The method includes the steps of carburizing the article in a carburizing atmosphere at atmospheric pressure, heating the article in a vacuum for a predetermined period of time, and hardening the article.

REFERENCES:
patent: 3356541 (1967-12-01), Cullen
patent: 3662996 (1972-05-01), Schwalm
patent: 4118016 (1978-10-01), Westeren et al.
Shupin, "Modern Trends in Heat Treat Technology", Heat Treatment Technology, Aug. 1974, pp. 668-672.
Metals Handbook, vol. 4, Heat Treating, .COPYRGT.1981, 9th ed., pp. 270-273, 307, 308.

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