Abstract
In this research, the characteristics of a viscoelastic material under high strain rate are evaluated by use of a Split-Hopkinson pressure bar method. Tests are performed under several strain rates at various temperatures. A high-speed camera at the speed of one million frames per second is used to observe the strains. The validity of the experimental results is evaluated by comparing with the results obtained from digital image correlation. In addition, the time-temperature superposition principle is verified by comparing the impact and static experiments at the various temperatures.
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Tsuchihashi, K., Yoneyama, S. (2017). Evaluation of Viscoelastic Characteristics Under High Strain Rate by Impact Test. In: Antoun, B., et al. Challenges in Mechanics of Time Dependent Materials, Volume 2. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-41543-7_9
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DOI: https://doi.org/10.1007/978-3-319-41543-7_9
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