Conclusions
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1.
Bath No. 1, which is more economical and has the best cyaniding capacity, produces a high-quality case with good wear resistance.
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2.
When the cyaniding bath is used only a few days a month then baths 2 and 3 are more expedient.
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3.
For a smooth surface on machine parts after quenching in oil it is expedient to use bath 5.
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4.
Carbon steel can be used for machine parts not subject to dynamic loading or high specific pressures; after cyaniding and quenching they should be aged at 100°C.
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Literature cited
Ya. N. Funshtein, Increasing the Wear Resistance of Machine Parts and Tools by Chemicothermal Treatment [in Russian], Belarus' (1965).
Ya. N. Funshtein, Avtomobil'naya Promyshlennost', No. 1 (1965).
A. T. Kalinin, Chemicothermal Treatment of Automotive Parts [in Russian], Mashgiz, Moscow (1954).
A. N. Minkevich and A. T. Kalinin, Modern Methods of Heat Treating Steel [in Russian], Mashgiz, Moscow (1954).
Additional information
Belorussian Polytechnical Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No 10, pp 8–11, October, 1968.
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Funshtein, Y.N., Lyakhovich, L.S. Effect of cyanide bath composition on depth and wear resistance of case. Met Sci Heat Treat 10, 767–769 (1968). https://doi.org/10.1007/BF00654130
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DOI: https://doi.org/10.1007/BF00654130