Conclusions
The growth of pearlite in the process of isothermal transformation of austenite decreases mainly in sections between branches rich in manganese.
At 560°C the growth rate of pearlite within branches and between branches is almost identical.
With an increase of the manganese concentration from 1.5 to 3.6% the difference in the growth rates of pearlite in branches and between branches increases 7–64 times at 560°C, which is due to the change in the segregation coefficient from 0.82 to 0.56.
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Literature cited
M. F. Evsyukov and M. I. Pritomanova, "Effect of intracrystalline segregation of manganese on the kinetics of the transformation of austenite in steel," in: Metal Physics [in Russian], No. 42, Naukova Dumka, Kiev (1972), pp. 71–76.
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Additional information
Institute of Ferrous Metallurgy, Dnepropetrovsk. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 5, pp. 17–21, May, 1975.
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Evsyukov, M.F., Pritomanova, M.I. Effect of dendritic segregation of manganese on growth rate of pearlite. Met Sci Heat Treat 17, 381–384 (1975). https://doi.org/10.1007/BF00663212
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DOI: https://doi.org/10.1007/BF00663212