Metal treatment – Compositions – Heat treating
Patent
1978-10-20
1980-07-15
Rutledge, L. Dewayne
Metal treatment
Compositions
Heat treating
204177, C21D 148
Patent
active
042126878
ABSTRACT:
An ion-nitriding process in which workpieces are subjected to a two-step glow discharge in a nitrogen and hydrogen atmosphere, there being a larger nitrogen to hydrogen ratio in the second step.
REFERENCES:
patent: 3389070 (1968-06-01), Berghaus et al.
patent: 3761370 (1973-09-01), Keller
Metals Handbook, 8th Ed., vol. 2, American Society for Metals, p. 162.
Edamura Mizuo
Furuitsu Satoshi
Kunise Satoru
Tanaka Akio
Kawasaki Jukogyo Kabushiki Kaisha
Rutledge L. Dewayne
Sheenan John P.
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