Journal article
Characteristic dislocation substructure in {10(1)over-bar2} twins in hexagonal metals
Scripta materialia, v 143, pp 81-85
15 Jan 2018
Abstract
Based on transmission electron microscopy results from pure Mg single crystal examined in the current work, and Mg alloys and other hexagonal metals in literature, a characteristic dislocation substructure inside {10 (1) over bar2} twins is identified. Abundant non-basal [c] and < c + a > perfect dislocations, as well as basal Li stacking faults with widths on the order of 100 nm distributed preferentially in the vicinity of a twin boundary, with a low density zone in the middle of the twin. Considering the ubiquity of {10 (1) over bar2} twins, this characteristic dislocation substructure should be considered in modeling of hexagonal metal alloy deformation. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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Details
- Title
- Characteristic dislocation substructure in {10(1)over-bar2} twins in hexagonal metals
- Creators
- F. Wang - University of VirginiaK. Hazeli - University of Alabama in HuntsvilleK. D. Molodov - RWTH Aachen UniversityC. D. Barrett - Mississippi State UniversityT. Al-Samman - RWTH Aachen UniversityD. A. Molodov - RWTH Aachen UniversityA. Kontsos - Drexel UniversityK. T. Ramesh - Hopkins Extreme Materials Institute, The Johns Hopkins University, Baltimore, MD 21218, USAH. El Kadiri - Mississippi State UniversityS. R. Agnew - University of Virginia
- Publication Details
- Scripta materialia, v 143, pp 81-85
- Publisher
- Elsevier
- Number of pages
- 5
- Grant note
- AL 1343/5-1; MO 848/18-1 / Deutsche Forschungsgemeinschaft; German Research Foundation (DFG) 1434506 / Div Of Civil, Mechanical, & Manufact Inn; National Science Foundation (NSF); NSF - Directorate for Engineering (ENG) W911NF-12-2-0022 / Materials in Extreme Dynamic Environments program - Army Research Laboratory W911NF-15-2-0025 / Army Research Laboratory; United States Department of Defense; US Army Research Laboratory (ARL) CMMI 1434506 / NSF; National Science Foundation (NSF) CMMI 1235259 / National Science Foundation (NSF)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Mechanical Engineering and Mechanics
- Web of Science ID
- WOS:000413609500018
- Scopus ID
- 2-s2.0-85029474785
- Other Identifier
- 991019169421304721
InCites Highlights
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Materials Science, Multidisciplinary
- Metallurgy & Metallurgical Engineering
- Nanoscience & Nanotechnology