期刊
SCRIPTA MATERIALIA
卷 143, 期 -, 页码 44-48出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2017.09.011
关键词
Magnesium alloys; Synchrotron radiation; 3DXRD; Plastic deformation; Slip
类别
资金
- National Natural Science Foundation of China [51631006, 51671127]
- Shanghai Pujiang Program
Mg-5wt%Y extruded alloy showed excellent tensile ductility along the extrusion direction. An in situ tensile test with three-dimensional X-ray diffraction (3DXRD) identified prismatic, basal, and pyramidal slip in different grains during deformation based on the analysis of grain rotation. Ex situ slip trace analysis using electron backscatter diffraction confirms the extensive activation of non-basal slip systems, which can explain the high ductility of this material. Critical resolved shear stress (CRSS) ratios between non-basal slip and basal slip are estimated from Schmid factor analysis. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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