MATHEMATICAL METHODS OF THE INTERMEDIATE PHASE GROWTH DESCRIBINGJournal: Scientific review, Науковий огляд, Научное обозрение (Vol.2, No. 45)
Publication Date: 2018-04-10
Authors : Yarmolenko M. V.;
Page : 82-91
Keywords : diffusion; reaction; phase growth law; intermetallic compounds; grain boundaries;
A model of describing the diffusion phase growth from point sources inside polycrystals grains is regarded. Analytical method to solve differential diffusion equations for such model is suggested. Analytical method to solve differential diffusion equations of describing the growth of the phase wedge during the intermetallic compound formation with a narrow concentration range of homogeneity in bicrystals is proposed. Parabolic, cubic, fourth power diffusion regimes for different scales from nanometers to micrometers and millimeters are analyzed.
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