Abstract
Specific features of the formation of lamellar (columnar) two-phase structures have been considered in the process of the decomposition of the matrix in the presence of (1) immobile disperse second-phase particles and (2) mobile disperse second-phase inclusions. It has been shown that the approaches to the derivation of initial differential equations of growth should be based on the change in the behavior of particles of the second phase upon the potential propagation of the growth front. To retain the invariance of the driving force along the entire composite growth front of the colony-wise structure, equations of balance of interphase surface tensions in ternary junctions of the normal sections of matrix grains with lamellar grains of the two-phase colony-wise mixture have been taken into account.
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Original Russian Text © V.E. Ol’shanetskii, Yu.I. Kononenko, 2014, published in Fizika Metallov i Metallovedenie, 2014, Vol. 115, No. 7, pp. 697–703.
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Ol’shanetskii, V.E., Kononenko, Y.I. On the kinetics of oriented growth of two-phase colonies of platelet grains in the presence of second-phase particles phase. Phys. Metals Metallogr. 115, 655–660 (2014). https://doi.org/10.1134/S0031918X14070059
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DOI: https://doi.org/10.1134/S0031918X14070059