Conclusions
1. Of the three types of coatings based on NA-67 and VKNA (the plasma, detonation, and plasma-detonation) the plasma-detonation coatings have the best quality characteristics.
2. The plasma-detonation procedure intensifies the phase-conversion processes to a greater degree than the plasma and detonation methods, taken separately
3. The greater hardness of plasma-detonation coatings is due, to a considerable degree, to the higher content of nickel aluminide that is formed directly during the plasma-detonation deposition process.
4. Coatings with alloys based on nickel aluminide that are obtained on the surface of medical instruments by the plasma-detonation method of deposition provide a means of increasing the wear and corrosion resistances for the working parts of the instrumentation.
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Literature cited
A. I. Zverev, S. Yu. Sharivker, and E. A. Astakhov, Detonation Deposition of Coatings [in Russian], Leningrad (1979).
S. S. Bartenev, Yu. P. Fed'ko, and A. I. Grigor'ev, Detonation Coatings in Machine Building [in Russian], Leningrad (1982).
G. D. Nikiforov, A. G. Tsudulko, F. I. Kitaev, et al., in: Inorganic and Organic Coatings [in Russian], Leningrad (1975), pp. 150–157.
Additional information
“Medinstrument” Scientific and Industrial Association, Kazan. Translated from Meditsinskaya Tekhnika, No. 6, pp. 34–41, November–December, 1984.
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Matukhnov, V.M., Shmyreva, T.P., Altareva, G.I. et al. Experience with plasma-detonation coatings of aluminide-based nickel alloys on the working parts of medical instruments. Biomed Eng 18, 218–224 (1984). https://doi.org/10.1007/BF00556943
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DOI: https://doi.org/10.1007/BF00556943