Abstract
The Mullins effect in the small amplitude transverse vibration of a rubber cord is investigated. The fundamental frequency is determined for a specific class of stress-softening materials. Analytical relations for the cord vibration frequency are illustrated graphically for three phenomenological models. These results demonstrate the role of the material parameters and exhibit response characteristic of those reported in experiments by others and subsequently described here in new experiments. Frequency versus stretch results for two kinds of non-Gaussian molecular network models for rubber elasticity are compared with experimental data for four varieties of rubber cords, for each of which only three experimentally determined material constants are needed. It is shown that the theoretical predictions stand in excellent agreement with test data.
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ElÍas-Zúñiga, A., Beatty, M.F. Stress-softening Effects in the Transverse Vibration of a Non-Gaussian Rubber String. Meccanica 38, 419–433 (2003). https://doi.org/10.1023/A:1024636319510
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DOI: https://doi.org/10.1023/A:1024636319510