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Strain Amplitude Effect on the Viscoelastic Mechanics of Chloroprene Rubber

  • Longfan PengEmail author
  • Zhida Li
  • Yunyu Li
Article
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Abstract

This paper establishes an empirical formula to predict the strain amplitude effect. A viscoelastic constitutive model—the superposition of a hyperelastic model and a viscoelastic model—is constructed based on the laws of thermodynamics. The Mooney–Rivlin model and the Prony series are employed for uniaxial tension testing. The empirical formula is derived using a hysteresis loop; it obtains results that are in agreement with the experimental results of dynamic mechanical analysis (DMA). The empirical formula proposed in this paper has certain accuracy in predicting the dynamic modulus under different strain amplitudes.

Keywords

Viscoelasticity Strain amplitude effect Storage modulus Loss modulus Hysteresis loop 

Notes

Acknowledgements

The project was financially supported by the National Natural Science Foundation of China (No. 51708433) and the Fundamental Research Funds. We would like to thank Editage (www.editage.cn) for English language editing.

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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics 2019

Authors and Affiliations

  1. 1.Institute of TransportationWuhan University of TechnologyWuhanChina

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