Conclusions
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1.
Cyanide-free salt mixtures can be recommended for chemicothermal treatment of machine parts to produce a case hardened layer 0.6 mm thick and also for bright quenching.
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2.
The good surface state of articles subjected to cyanide-free mixtures makes it possible to reduce the oversize for grinding.
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 2, pp. 47–48, February, 1965.
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Andrachnikov, S.L. Cementation and nitrocementation in liquid cyanide-free salts. Met Sci Heat Treat 7, 117–118 (1965). https://doi.org/10.1007/BF00655818
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DOI: https://doi.org/10.1007/BF00655818