SOLID STATE REACTIONS DURING DIFFUSION: PHASE FORMATION KINETICS
Journal: Scientific review, Науковий огляд, Научное обозрение (Vol.36, No. 4)Publication Date: 2017-05-31
Authors : M. Yarmolenko;
Page : 188-193
Keywords : reactive diffusion; vacancies; interfaces; intermetallic compounds; kinetics.;
Abstract
In the article it was proved theoretically and experimentally that the interface curvature can either accelerate or slow down the diffusion phase layer growth in cylindrical and spherical samples when compared with a planar sample depending on the average phase concentration only. It is shown that internal stress, arising due to dilatation during phase growth, can either accelerate or slow down the growth in addition to the above-mentioned effect, depending on the difference in mobilities of different atoms within each phase and independently on the sign of dilatation.
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Last modified: 2017-05-31 15:40:28