Table of Contents
Textures and Microstructures
Volume 21 (1993), Issue 2-3, Pages 147-159
http://dx.doi.org/10.1155/TSM.21.147

The Effect of Texture on Grain Growth: Theoretical Consideration of Grain Growth in the Presence of Textures

Department of Materials Science and Engineering, Zhejiang University, Hangzhou, China

Received 25 July 1992

Copyright © 1993 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Based on the analysis of grain boundary energy change during the migration of grain boundaries a statistic model of grain growth was developed in which both specific energy and mobility of a grain boundary section were considered to be dependent on the grain orientations in both sides of the boundary. It is shown that the textural effects, i.e. the anisotropy of grain boundary energy and mobility, on the process of grain growth can be described quantitatively with the integrated partial diffusivities of each texture component. It is found that the anisotropy of boundary energy causes an increase on the critical grain size for the minor texture component and a decrease for the major component. This leads to a texture strengthening, i.e. the increase of the volume percentage of the major texture component, before a strong texture change occurs. The model predictions agree with the experimental results well.