Conclusions
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1.
Diffusion chromizing is recommended to improve the resistance of files used in treating plastics.
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2.
The resistance of chromized files of steel U13 is four times that of standard files, and the resistance of chromized files of steel 20 exceeds that of standard files by a factor of 1.5–2.
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3.
Steel 20 is more suitable for files used in treating plastics, since this steel is less resistant to plastic deformation.
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Literature cited
G. N. Dubinin, Diffusion Chromizing of Alloys [in Russian], Mashinostroenie, Moscow (1964), p. 452.
V. B. Raitsis, Technology of Chemicothermal Treatment in Machine Construction Factories [in Russian], Mashinostroenie, Moscow (1965), p. 259.
A. N. Minkevich, Chemicothermal Treatment of Metals and Alloys [in Russian], Mashinostroenie, Moscow (1965), p. 206.
Additional information
PTNIIMÉ, Tbilisi. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 3, pp. 61–62, March, 1976.
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Gordeziani, A.G., Katsitadze, S.S. & Choladze, R.M. Diffusion chromizing of files for plastics. Met Sci Heat Treat 18, 258–259 (1976). https://doi.org/10.1007/BF00663493
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DOI: https://doi.org/10.1007/BF00663493