Abstract
The model developed by Sharma 1 and Sharmaet al. 2 for the mechanism of pearlite growth in ternary Fe-C-Cr alloys has been extended to other systems. Detailed thermodynamic and semi-empirical kinetic calculations have been carried out to determine pearlite growth rates for a number of Fe-C-X alloys (X = Mn, Cr, Ni, Si) and compared with the experimental data from the literature. It has been shown that the pearlite growth is, in general, controlled by the alloying element boundary diffusion at low supersaturations and carbon volume diffusion at high supersaturations, as predicted by the model. The transition temperature between the two mechanisms is a function of the amount and type of alloying element.
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Formerly a at the Department of Metallurgical Engineering, Indian Institute of Technology, Kanpur, India
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Tewari, S.K., Sharma, R.C. The effect of alloying elements on pearlite growth. Metall Trans A 16, 597–603 (1985). https://doi.org/10.1007/BF02814233
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DOI: https://doi.org/10.1007/BF02814233