Conclusions
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1.
Bushings of graphitized steel have the best wear resistance when the microstructure consists of divorced pearlite and compact graphite inclusions.
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2.
From the microstructural changes in the working surface it was possible to determine the wearing qualities of bushings with the same hardness but a different structure of the matrix—lamellar pearlite and ferrite or spheroidized pearlite.
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Literature cited
S. A. Saltykov, Stereometric Metallography [in Russian], Metallurgiya, Moscow (1970).
A. A. Baranov et al., Grain Growth in Steel during Thermal Cycling [in Russian], Tekhnika, Kiev (1967), p. 138.
K. P. Bunin, A. A. Baranov, and É. N. Pogrebnoi Graphitization of Steel [in Russian], Izd. AN UkrSSR, Kiev (1961).
Additional information
Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 9, pp. 67–69, September, 1973.
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Pritomanova, M.I., Shchedrina, F.I. Structure and operating characteristics of graphitized steel. Met Sci Heat Treat 15, 803–805 (1973). https://doi.org/10.1007/BF00656299
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DOI: https://doi.org/10.1007/BF00656299