Conclusions
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1.
A new method has been developed to obtain multicomponent coatings of given chemical composition, structure, and properties. A low-melting metal or alloy is applied to the part, forming a film of liquid phase into which diffuse alloying elements from a powdered saturating mixture. The film of liquid phase comprises the coating after solidification.
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2.
In contrast to the well-known methods of thermodiffusion alloying, which produce relatively thin (tens of microns) multicomponent protective coatings and require considerable processing times, the new method makes it possible to obtain multicomponent coatings 0.2–0.5 mm thick in 10–20 min.
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3.
The concentration of alloying elements in the coating can be controlled by the composition of the saturating mixture and the processing parameters (temperature and time).
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4.
The new method makes it possible to obtain coatings of complex composition with a high wear resistance and corrosion resistance. It can also be used for building up worn parts.
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Literature cited
A. N. Minkevich, Chemicothermal Treatment of Metals and Alloys [in Russian], Mashinostroenie, Moscow (1965).
G. N. Dubinin, Diffusion Chromizing of Alloys [in Russian], Mashinostroenie, Moscow (1964).
G. V. Zemskov et al., Metal. i Term. Obrabotka Metal., No. 4 (1967).
Additional information
Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 6, pp. 27–30, June 1969.
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Vinitskii, A.G., Malinov, L.S. & Yanenskii, N.E. Multicomponent thermodiffusion coatings. Met Sci Heat Treat 11, 452–454 (1969). https://doi.org/10.1007/BF00656239
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DOI: https://doi.org/10.1007/BF00656239