Conclusions
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1.
Data from physicochemical phase analysis indicate a difference in the tendency of zirconium, titanium, and niobium to form nitrides and carbides-titanium and zirconium have a greater affinity for nitrogen than for carbon; on the contrary, niobium has a greater affinity for carbon.
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2.
Zirconium nitrocarbide rather than pure nitride is formed in steel of the Kh14N16 type alloyed with zirconium and nitrogen.
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Literature cited
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N. F. Lashko et al., Physicochemical Methods of Phase Analysis of Steels and Alloys [in Russian], Metallurgiya, Moscow (1970).
Yu. A. Klyachko, M. M. Shapiro, and E. F. Yakovleva, “Phase analysis of nitrided low-carbon steels containing niobium,” Zavod. Lab., No. 11, 5 (1960).
Additional information
I. P. Bardin Central Scientific-Research Institute of Ferrous Metallurgy. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 11, pp. 65–68, November, 1976.
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Zharkova, D.N., Yakovleva, E.F. & Khmel'nova, S.V. Phase composition of steel Kh14N16 with additions of zirco nium, titanium, niobium, and nitrogen. Met Sci Heat Treat 18, 994–997 (1976). https://doi.org/10.1007/BF00706916
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DOI: https://doi.org/10.1007/BF00706916