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Crystal-Plasticity-Based Dynamic Constitutive Model of AZ31B Magnesium Alloy at Elevated Temperature and with Explicit Plastic-Strain-Rate Control
Xie Qijun1,2,3; Zhu Zhiwu2,3; Kang Guozheng2,3
Corresponding AuthorZhu, Zhiwu(zzw4455@163.com)
2020
Source PublicationACTA MECHANICA SOLIDA SINICA
ISSN0894-9166
EISSN1860-2134
Volume33Issue:1Pages:31-50
SubtypeArticle
Contribution Rank1
AbstractIn this study, a series of experiments were carried out on the AZ31B magnesium alloy, including both a macro-experiment (mechanical experiment) and a micro-experiment (dislocation observation). Next, based on the consideration of the deformation mechanism of magnesium alloys (dislocation slip and twinning), a dynamic constitutive model of the magnesium alloy was established. In the developed model, the strain-rate-sensitivity control and the effect of temperature on the dynamic mechanical performance of the alloy were also investigated. The model parameters were determined by fitting the macroscopic experimental results. Next, the evolution of the micro-deformation mechanism was calculated by the developed model, and the trend of macro-mechanical behavior was also discussed.
KeywordMagnesium alloy Constitutive model Microscopic mechanism Dynamic test Crystal plasticity
DOI10.1007/s10338-019-00130-6
Indexed BySCI
WOS KeywordFLOW-STRESS ; DEFORMATION ; BEHAVIOR ; SHEET ; DISLOCATION ; EQUATIONS ; FRACTURE ; METALS
Language英语
WOS Research AreaMaterials Science ; Mechanics
WOS SubjectMaterials Science, Multidisciplinary ; Mechanics
WOS IDWOS:000511695600003
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/33872
Collection山地表生过程与生态调控重点实验室
山地灾害与地表过程重点实验室
Corresponding AuthorZhu Zhiwu
Affiliation1.Key Laboratory of Mountain Hazards and Earth Surface Processes, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China;
2.State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu 610031, China;
3.Applied Mechanics and Structure Safety Key Laboratory of Sichuan Province, School of Mechanics and Engineering, Southwest Jiaotong University, Chengdu 610031, China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Xie Qijun,Zhu Zhiwu,Kang Guozheng. Crystal-Plasticity-Based Dynamic Constitutive Model of AZ31B Magnesium Alloy at Elevated Temperature and with Explicit Plastic-Strain-Rate Control[J]. ACTA MECHANICA SOLIDA SINICA,2020,33(1):31-50.
APA Xie Qijun,Zhu Zhiwu,&Kang Guozheng.(2020).Crystal-Plasticity-Based Dynamic Constitutive Model of AZ31B Magnesium Alloy at Elevated Temperature and with Explicit Plastic-Strain-Rate Control.ACTA MECHANICA SOLIDA SINICA,33(1),31-50.
MLA Xie Qijun,et al."Crystal-Plasticity-Based Dynamic Constitutive Model of AZ31B Magnesium Alloy at Elevated Temperature and with Explicit Plastic-Strain-Rate Control".ACTA MECHANICA SOLIDA SINICA 33.1(2020):31-50.
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