Abstract
It has been found that gas thermocyclic nitriding should be used to increase the corrosion resistance of tool steels: saturation temperature 520°C, equilibration temperature 620°C, half-cycle length 0.5 h, number of cycles 7, last stage equilibration for 0.5 h.
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REFERENCES
I. S. Belashova and D. P. Shashkov, “Effects of gas thermocyclic treatments on nitriding,” Tekhnol. Metall., No. 3, 48–56 (2003).
I. S. Belashova and D. P. Shashkov, “Kinetics of diffusion layer formation in gas thermocyclic nitriding of iron,” in: Proceedings of the 10th International Symposium on the Dynamics and Technological Problems and the Mechanics of Constructional and Continuous Media, Moscow, 9–13 February 2004 [in Russian], pp. 26–32.
Yu. M. Lakhtin, Ya. D. Kogan, G. I. Shpis, and Z. Bemer, Nitriding Theory and Technology [in Russian], Metallurgiya, Moscow (1991).
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Translated from Khimicheskoe i Neftegazovoe Mashinostroenie, No. 11, pp. 42–44, November, 2004.
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Belashova, I.S. Raising tool steel corrosion resistance by phase composition regulation in gas thermal processing. Chem Petrol Eng 40, 699–702 (2004). https://doi.org/10.1007/s10556-005-0035-4
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DOI: https://doi.org/10.1007/s10556-005-0035-4