Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 572, Issue -, Pages 98-102Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2013.02.021
Keywords
Magnesium; Twinning; Detwinning; Pseudoelasticity; Neutron diffraction
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Funding
- National Research Foundation of Korea (NRF)
- Korean government (MEST) [2012M2B2A4029572]
- NSERC Magnesium Strategic Research Network
- National Research Foundation of Korea [2012M2B2A4029572] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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In-situ neutron diffraction has been used to examine the pseudoelastic behavior of an extruded Mg-8.5 wt.% Al alloy during twinning-dominated cyclic deformation in both tension and compression. Twinning activity is effectively tracked through the intensity variations of the diffraction peaks for some grain orientations. The results suggest that a fundamental difference in the pseudoelastic behavior between tension and compression cyclic loadings might be due to reversible detwinning-retwinning observed only during cyclic compression. (C) 2013 Elsevier B.V. All rights reserved.
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