Importance of Microscale Texture and Grain Boundary Connectivity to Percolation-Dependent Bulk Properties in Polycrystalline Materials

Abstract:

Bulk properties of polycrystalline structural and functional materials are controlled by the grain boundary microstructure defined by the grain boundary character distribution (GBCD) and grain boundary connectivity, because of percolation-dependent grain boundary phenomena. It has been found that there is a close relationship between microscale texture and grain boundary microstructure. Since percolation-controlled grain boundary phenomena are involved and playing key roles in the generation of various kinds of bulk properties, the relationship between texture and grain boundary microstructure can be effectively used as a powerful tool in development of high performance structural and functional materials by Grain Boundary Engineering (GBE).

• Periodical: Materials Science Forum (Volumes 702-703)
• Pages: 703-709
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.702-703.703
• Online since: December 2011
• Authors: Tadao Watanabe, Shigeaki Kobayashi, Xiang Zhao, Liang Zuo
• Keywords: Boundary Connectivity, Grain Boundary Character Distribution (GBCD), Grain Boundary Engineering, Microscale Texture, Percolation

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