Abstract
In this research, the aluminium alloy AA6063-T6 was investigated for evaluation of its failure parameters at room and high temperatures. The weight percentage of different elements in AA6063-T6 was also obtained using spectroscopy. The quasi-static tests at different strain rates from room temperature to higher temperatures were performed on a universal testing machine. Notched tensile specimens of notch radii 1 mm, 2 mm, and 3 mm were used to find the effect of stress triaxialities. The tensile tests at high strain rates are performed using a tensile Hopkinson pressure bar setup. The different temperatures considered during quasi-static conditions were 25 °C, 50 °C, 100 °C, 150 °C, and 200 °C. It was found that flow stresses were increased with strain rates, whereas flow stresses were decreased at higher temperatures. Using experimental results, the Johnson-Cook failure model parameters were evaluated. The Johnson-Cook failure model parameters are used as input parameters for finite element simulation.
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Kumar, S., Pandouria, A.K., Chakraborty, P., Tiwari, V. (2023). Evaluation of Johnson-Cook Failure Model for Aluminium Alloy AA6063-T6. In: Amirkhizi, A., Furmanski, J., Franck, C., Kasza, K., Forster, A., Estrada, J. (eds) Challenges in Mechanics of Time-Dependent Materials & Mechanics of Biological Systems and Materials, Volume 2. SEM 2022. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-031-17457-5_10
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DOI: https://doi.org/10.1007/978-3-031-17457-5_10
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