Abstract
Abstract The resistance to grain-boundary motion provided by a dispersion of spherical particles has been calculated for primary and secondary recrystallization (normal grain growth). Specific account has been taken of grain-boundary flexibility, and of those forces, which aid and those which hinder motion. When neither the intrinsic surface energy of particles nor that of grain boundaries is changed by the presence of the other, the resistance decreases markedly with increasing volume fraction of the particulate phase. Where there is interaction this resistance can be markedly larger, particularly at the highest volume fractions.
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