The value of the strain, temperature and stress triaxiality also depends on the strain rate.
Wojciech Moćko, Adam Brodecki 2015, 'Application of optical field analysis of tensile tests for calibration of the Rusinek–Klepaczkoconstitutive relation of Ti6Al4V titanium alloy', Materials & Designhttp://www.sciencedirect.com/science/article/pii/S0264127515304044. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The magnified fractographs indicate that high initial stress triaxiality likely results in dimple fracture.
Xuanzhen Chen, Yong Peng, Shan Peng, Song Yao, Chao Chen, Ping Xu 2017, 'Flow and fracture behavior of aluminum alloy 6082-T6 at different tensile strain ratesand triaxialities.', PLoS ONEhttp://europepmc.org/articles/PMC5536279?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
These stress conditions are quantified by the stress triaxiality obtained using viscoplastic finite element simulations.
Vincenzo Caccuri, Jonathan Cormier, Rodrigue Desmorat 2017, 'γ′-Rafting mechanisms under complex mechanical stress state in Ni-based single crystallinesuperalloys', Materials & Designhttp://www.sciencedirect.com/science/article/pii/S0264127517306019. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Stress triaxiality has attracted wide attention in the research of material deformation and fracture behavior.
Bing Wang, Zhanqiang Liu 2016, 'Evaluation on fracture locus of serrated chip generation with stress triaxiality inhigh speed machining of Ti6Al4V', Materials & Designhttp://www.sciencedirect.com/science/article/pii/S0264127516302799. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The true stress-strain response under large plastic deformation was investigated in different stress triaxiality frameworks.
N. Selini, M. Elmeguenni, M. Benguediab 2013, 'Effect of the Triaxiality in Plane Stress Conditions. Triaxiality Effect in a PVCMaterial', Engineering, Technology & Applied Science Researchhttp://www.etasr.com/index.php/ETASR/article/view/302/162. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The case of low initial stress triaxiality η = 1/3 was taken into consideration.
Kossakowski P. G. 2018, 'Analysis of the Void Volume Fraction for S235JR Steel at Failure for Low Initial StressTriaxiality', Archives of Civil Engineeringhttp://www.degruyter.com/view/j/ace.2018.64.issue-1/ace-2018-0007/ace-2018-0007.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The effect of stress triaxiality on plastic instability and fracture strain was also examined.
N. Selini, M. Elmeguenni, M. Benguediab 2013, 'Effect of the Triaxiality in Plane Stress Conditions. Triaxiality Effect in a PVCMaterial', Engineering, Technology & Applied Science Researchhttp://www.etasr.com/index.php/ETASR/article/view/302/162. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The unified relationship between average void sizes and stress triaxiality was obtained.
Lingyun Qian, Xiaocan Wang, Chaoyang Sun, Anyi Dai 2019, 'Correlation of Macroscopic Fracture Behavior with Microscopic Fracture Mechanism forAHSS Sheet', Materialshttp://www.mdpi.com/1996-1944/12/6/900. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The micro-shear-slip tends to appear in the stress triaxiality level lower than that of pure shear stress state.
Lingyun Qian, Xiaocan Wang, Chaoyang Sun, Anyi Dai 2019, 'Correlation of Macroscopic Fracture Behavior with Microscopic Fracture Mechanism forAHSS Sheet', Materialshttp://www.mdpi.com/1996-1944/12/6/900. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The results obtained from simulations indicate the feature of nonmonotonicity between the strain to fracture and stress triaxiality.
Yong Peng, Xuanzhen Chen, Shan Peng, Chao Chen, Jiahao Li, Guowei Liu 2018, 'Strain Rate-Dependent Constitutive and Low Stress Triaxiality Fracture Behavior Investigationof 6005 Al Alloy', Advances in Materials Science and Engineeringhttp://dx.doi.org/10.1155/2018/2712937. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)