Effects of texture and twinning on the torsional behavior of magnesium alloy solid rod: A crystal plasticity approach in comparison with uniaxial tension/compression

Zhang, Xiaodan; Li, Shangming; Guo, Xiaoqian; Wang, Huamiao; Yu, Qin; Wu, Peidong

doi:10.1016/j.ijmecsci.2020.106062

Cited by 27 publications

(4 citation statements)

References 51 publications

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“…The TDT model was used in conjunction with the EVPSC model, and four distinct operations were incorporated to describe the deformation processes associated with twinning and detwinning. For a more comprehensive understanding of the TDT model, further details can be found in the works of Wang et al [23,24]. As we know, twinning will cause large local shear, which will cause large back stress in the parent grains, especially at the early stage of twinning.…”

Section: The Crystal Plasticity Modelmentioning

confidence: 99%

“…The EVPSC-TDT model was applied to AZ31B plate, which is capable of interpreting the mechanical behavior of magnesium alloys [20][21][22][23][24][25][26][27][28][29][32][33][34]. The microstructure of the undeformed sample was measured and included in Figure 1a in terms of the {00.1} pole figure, which shows that the as-received AZ31 plate had extreme typical rolled texture [35,36].…”

Section: Parameter Calibrationmentioning

confidence: 99%

“…In view of its high computational efficiency and the description of various deformation mechanisms, the elastic visco-plastic self-consistent (EVPSC) model proposed by Wang et al [20] has been widely applied in simulation of HCP materials under homogeneous and inhomogeneous deformation [21][22][23]. Wang et al [24] proposed a physics-based twinning and detwinning (TDT) model on the basis of an EVPSC model (EVPSC-TDT) and used the EVPSC-TDT model in the study of the deformation mechanism in HCP materials [24][25][26].…”

Section: Introductionmentioning

confidence: 99%

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Internal Elastic Strains of AZ31B Plate during Unloading at Twinning-Active Region

Zhou

Zhang

et al. 2023

Metals

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Magnesium alloys, being the lightest structural metals, have garnered significant attention in various fields. The characterization of inelastic behavior has been extensively investigated by researchers due to its impact on structural component performance. However, the occurrence of twinning in the absence of any applied driving force during unloading has lacked reasonable explanations. Moreover, the influence of deformation mechanisms other than twinning on inelastic behavior remains unclear. In this study, uniaxial tension and compression tests were conducted on hot-rolled magnesium alloy plates, and neutron diffraction experiments were employed to characterize the evolution of macroscopic mechanical response and microscopic mechanisms. Additionally, a twinning and detwinning (TDT) model based on the elastic visco-plastic self-consistent (EVPSC) model has been proposed, incorporating back stress to describe the deformation behavior during stress relaxation. This approach provides a comprehensive understanding of the inelastic behavior of magnesium alloys from multiple perspectives and captures the influence of microscale mechanisms. A thorough understanding of the inelastic behavior of magnesium alloys and a reasonable explanation for the occurrence of twinning under zero-stress conditions offer valuable insights for the precise design of magnesium alloy structures.

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Section: The Crystal Plasticity Modelmentioning

confidence: 99%

Section: Parameter Calibrationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Internal Elastic Strains of AZ31B Plate during Unloading at Twinning-Active Region

Zhou

Zhang

et al. 2023

Metals

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“…Wang YL [5] found that Ti-5Al-2.5Sn alloy has an obvious strain hardening effect in the strain rate range of 1.5×10 3 s -1 -5×10 3 s -1 . Zhang B [6] studied the twinning behavior of Ti-5Al-2.5Sn alloy during dynamic tensile and compressive loading which the experimental results show that the formation ability and type of the deformation twin show tension-compression asymmetry. Deformation twins are more likely to form in compression, and the {11 1} twin dominates high strain-rate compression deformations.…”

Section: Introductionmentioning

confidence: 99%

Study on the dynamic deformation behavior and microstructure evolution of Ti-5Al-2.5Sn utilized Quasi-In-Situ method

Wei

Wang

et al. 2023

J. Phys.: Conf. Ser.

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In this paper, the microstructural evolution process and deformation mechanism of annealed Ti-5Al-2.5Sn alloy under a high strain rate of 2700 s−1 were investigated by quasi-in-situ method. The main deformation mechanism is found to be dislocation slip in the strain range from 0 to 0.05, and about 96% of the whole grain is deformed by dislocation slip, and { 1 1 ¯ 00 } < 11 2 ¯ 0 > prismatic slip dominates the plastic deformation. When the strain increased from 0.05 to 0.10, the original slip system continued to move, and 13% of the whole grain activates the new slip system. In the strain range from 0.10-0.20, the number of slip traces does not increase significantly, and the new slip system is difficult to be activated. In the whole deformation process, about 42% of whole the grain activates a variety of slip systems including { 1 1 ¯ 00 } < 11 2 ¯ 0 > prismatic slip and { 1 ¯ 101 } < 11 2 ¯ 0 > pyramidal <a> slip which activated at the same time. Results show that { 11 2 ¯ 1 } twin only appeared in a few grains in the whole observed region, indicating that twinning is not the dominant deformation mechanism of annealed Ti-5Al-2.5Sn alloy at a high strain rate.

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Numerical Study of Multiaxial Loading Behavior of Mg Alloy AZ31 Extruded Bar

Zhang

Wang

et al. 2021

The Minerals, Metals &Amp; Materials Series

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Effects of texture and twinning on the torsional behavior of magnesium alloy solid rod: A crystal plasticity approach in comparison with uniaxial tension/compression

Cited by 27 publications

References 51 publications

Internal Elastic Strains of AZ31B Plate during Unloading at Twinning-Active Region

Internal Elastic Strains of AZ31B Plate during Unloading at Twinning-Active Region

Study on the dynamic deformation behavior and microstructure evolution of Ti-5Al-2.5Sn utilized Quasi-In-Situ method

Numerical Study of Multiaxial Loading Behavior of Mg Alloy AZ31 Extruded Bar

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