期刊
ACTA MATERIALIA
卷 65, 期 -, 页码 161-175出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.actamat.2013.10.057
关键词
Grain boundary energy; Crystal structure; Misorientation; Modeling; Lattice geometry
资金
- US Department of Energy by Lawrence Livermore National Laboratory [W-7405-Eng-48]
- US DOE Office of Basic Energy Sciences, Division of Materials Sciences and Engineering
Anisotropy of interfacial energy is the principal driving force for thermally driven microstructure evolution, yet its origins remain uncertain and a quantitative description lacking. We present and justify a concise hypothesis on the topography of the functional space of interface energies and, based on this hypothesis, construct a closed-form function that quantitatively describes energy variations in the 5-space of macroscopic parameters defining grain boundary geometry. The new function is found to be universal for the crystallography class of face-centered cubic (fcc) metals. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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