期刊
SCRIPTA MATERIALIA
卷 69, 期 4, 页码 319-322出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2013.05.010
关键词
Twinning; Slip; Texture; Torsion; Magnesium alloys
类别
资金
- National Basic Research Program of China [2007CB209400]
- 111 Project of China [B07028]
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Scientific User Facilities Division, Office of Basic Energy Sciences, US Department of Energy
- US National Science Foundation [DMR-0909037, CMMI-0900271, CMMI-1100080]
- Department of Energy (DOE), Office of Nuclear Energy's Nuclear Energy University Program (NEUP) [00119262]
- DOE, Office of Fossil Energy, National Energy Technology Laboratory [DE-FE-0008855]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [909037] Funding Source: National Science Foundation
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1100080, 0900271] Funding Source: National Science Foundation
We experimentally and numerically study the large-strain free-end torsion of a rolled magnesium alloy. It is found that a torsion sample with its axial direction parallel to the normal direction elongates axially, while a sample with its axial direction along the rolling direction contracts axially. It is shown that this Swift effect, i.e., the second-order axial effect under free-end torsion, is mainly due to extension twinning. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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