Conclusions
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1.
The new process of diffusion chromizing of austenitic steels with subsequent nitridization produces a diffusion coating consisting of the hardening Cr2N phase with austenite.
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2.
The chromonitride case produced on austenitic steels and alloys by this method is useful for increasing the resistance to erosion, scoring, and wear at elevated temperatures.
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Literature cited
A. E. Vol, Structure and Properties of Binary Metal Systems [in Russian], Moscow, Fizmatgiz (1960).
G. V. Samsonov and K. I. Portnoi, Alloys Based on Refractory Compounds [in Russian], Oborongiz (1961).
A. I. Fedosov and V. I. Prosvirin, Protection of Heat-Resisting Steels Against Erosion [in Russian], VINITI (1957).
Yu. N. Griboedov and A. N. Myasoedov, Diffusion Chromizing of Steel with Powders in Containers with Fusible Seals, Coll. TsNIITMASh, Book 15 [in Russian], Moscow, Mashgiz (1960).
Additional information
TsNIITMASh. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 3, pp. 23–26, March, 1967.
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Griboedov, Y.N., Yunts, B.I. Nitridization of diffusion-chromized steel — A new type of chemicothermal treatment. Met Sci Heat Treat 9, 177–180 (1967). https://doi.org/10.1007/BF00653135
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DOI: https://doi.org/10.1007/BF00653135