Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 735, Issue -, Pages 288-294Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2018.08.050
Keywords
Mg-Zn-Ca alloy; Micro-digital image correlation; Tensile deformation; Finite element method; Secondary phase particle; Micro-crack
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Funding
- National Research Foundation of Korea (NRF) - Ministry of Science, ICT and Future Planning (MSIP) of Korea [NRF-2017R1A2A1A17069427]
- POSCO Green Science Program [2018Y060]
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In the present study, the effect of secondary phase particles and deformation localization on tensile behaviors of Mg-Zn-Ca alloy were investigated using micro-digital image correlation method. To isolate the effect of the secondary phase particles on tensile behavior, the fractions of the secondary phase particles were adjusted by controlling the annealing temperature. Thermodynamic calculations were performed to identify the fractions of the secondary phase particles. The finite element method was conducted to confirm the localized deformation around the secondary phase particles considering 3-dimensional microstructure. The results suggest that the total fraction of the secondary phase particles affected the localized deformation around the particles and microcrack propagation process during a tensile test.
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