SYNDEFORMATIONAL GRAIN-GROWTH - MICROSTRUCTURES AND KINETICS

Grain growth can be an important high-temperature process in fine-grained polycrystalline materials. We studied its effect on texture during deformation using a two-dimensional computer model and a see-through experiment with octachloropropane. Syndeformational grain growth in geological materials can slow down the development of a grain shape preferred orientation or even obliterate it. Important processes are preferentially oriented deformation induced neighbour switches. The presence of a grain shape preferred orientation slows down the increase in grain size due to grain growth.