期刊
SCRIPTA MATERIALIA
卷 70, 期 -, 页码 59-62出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2013.09.019
关键词
Severe plastic deformation; High pressure torsion; Grain boundaries; Wetting; Phase transformations
类别
资金
- Russian Foundation for Basic Research [11-03-01198, 13-08-90422]
- Russian Federal Ministry for Education and Science [14.A12.31.0001]
- EraNet. Rus programme [STProjects-219]
- Karlsruhe Nano Micro Facility
In ultra-fine grained Al-Zn alloys after high pressure torsion Al/A1 grain boundaries (GBs) completely, partially or pseudo-partially wetted by Zn in the solid state have been observed using analytical and high resolution electron microscopy. In the latter case the solid Zn particles in the triple joints form a non-zero contact angle theta = 80-160 degrees with Al/A1 GBs. Simultaneously, a 2-10 nm thick uniform Zn-rich layer is present in the Al/A1 GBs. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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