دورية أكاديمية
Study on Plastic Constitutive Relation and Ductile Fracture Criterion of AM60B Magnesium Alloy
| العنوان: | Study on Plastic Constitutive Relation and Ductile Fracture Criterion of AM60B Magnesium Alloy |
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| المؤلفون: | Qin Yang, Bin Jiang, Liang Gao, Yuyang Gao, Bin Liang, Sha Lan, Zeng Qin, Wenjun Zou, Fengying Yang, Fusheng Pan |
| المصدر: | Materials, Vol 17, Iss 7, p 1684 (2024) |
| بيانات النشر: | MDPI AG, 2024. |
| سنة النشر: | 2024 |
| المجموعة: | LCC:Technology LCC:Electrical engineering. Electronics. Nuclear engineering LCC:Engineering (General). Civil engineering (General) LCC:Microscopy LCC:Descriptive and experimental mechanics |
| مصطلحات موضوعية: | AM60B, deformation behavior, stress states, JC (Johnson–Cook) fracture model, MMC (Modified Mohr–Coulomb Model) fracture model, DIEM (Damage Initiation and Evolution Model) fracture model, Technology, Electrical engineering. Electronics. Nuclear engineering, TK1-9971, Engineering (General). Civil engineering (General), TA1-2040, Microscopy, QH201-278.5, Descriptive and experimental mechanics, QC120-168.85 |
| الوصف: | It is currently a challenge to accurately predict the deformation and fracture behavior of metal parts in automobile crashes. Many studies have shown that the deformation and fracture behavior of materials are significantly affected by the stress state during automobile crashes with complex stress state characteristics. In order to further promote the application of die-cast magnesium alloys in automobiles, it is particularly important to study the material deformation and fracture behavior of die-cast magnesium alloys. In this paper, the mechanical properties of the AM60B die-cast magnesium alloy sheet under four stress states (shear, tension, R10 notch tension, and cupping) were designed and tested. Based on the von Mises isotropic constitutive model and Swift weighted Hockett–Sherby hardening model, the plastic constitutive model of die-cast magnesium alloy was established. Based on the plastic model and the fracture model (JC, MMC, and DIEM) considering the influence of three stress states, the deformation and fracture behavior of the AM60B die-cast magnesium alloy front-end members in three-point bending were predicted by experiments and finite element simulation. The experimental results show that the deformation mode and loading–displacement curve trend of the AM60B die-cast magnesium alloy front members are the same, the crack initiation point and crack initiation time are the same, and the crack shape is similar. The results show that the complex stress state constitutive model parameters and the DIEM fracture model obtained in this paper can accurately predict the deformation and fracture failure behavior of the AM60B die-cast magnesium alloy sheet. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 1996-1944 |
| Relation: | https://www.mdpi.com/1996-1944/17/7/1684; https://doaj.org/toc/1996-1944 |
| DOI: | 10.3390/ma17071684 |
| URL الوصول: | https://doaj.org/article/7b8ad0cc70944ccc907b0ad11dcdedb3 |
| رقم الأكسشن: | edsdoj.7b8ad0cc70944ccc907b0ad11dcdedb3 |
| قاعدة البيانات: | Directory of Open Access Journals |
Full Text Finder | تدمد: | 19961944 |
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| DOI: | 10.3390/ma17071684 |