Conclusions
Magnetic field accelerates gas nitriding in pure ammonia by a factor of 3–4, eliminates brittleness of the nitrided case, substantially increases the wear resistance and seizing resistance of the case, and increases the fatigue strength. The nitriding process is accelerated to the maximum with a magnetic field strength of 25–30 Oe.
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Literature cited
A. N. Minkevich, Chemicothermal Treatment of Metals and Alloys [in Russian], Mashinostroenie, Moscow (1965).
A. L. Dorofeev, Induction Structurescopy [in Russian], Énergiya, Moscow (1973).
L. D. Landau and E. M. Lifshits, Field Theory [in Russian], Mashgiz, Moscow (1967).
Additional information
Scientific-Research Institute of Technology of the Automobile Industry. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 3, pp. 37–41, March, 1978.
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Shigarev, A.S., Dmitrieva, L.P. Nitriding in magnetic field. Met Sci Heat Treat 20, 213–217 (1978). https://doi.org/10.1007/BF00777096
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DOI: https://doi.org/10.1007/BF00777096