What is it about?
If a rubber band is subjected to a constant force, its length will increase with time. This phenomenon is called creep. If a rubber band is in tension under a fixed deformation, the force in the band will decrease with time. This phenomenon is called relaxation. Both the creep and the relaxation are the time-dependent response. The proposed model can predict the response.
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Why is it important?
The current methods developed for rubber creep and relaxation are validated to a specific environment. By combination with previous work on temperature effect, the model with general capabilities has been established and can be used to predict time-dependent response of different rubber components under different loadings, hardness, temperature (combined with the previous work).
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This page is a summary of: A general hyperelastic‐time model for numerical prediction on rubber relaxation and experimental validation under different environments, Polymer Engineering & Science, August 2019, Wiley,
DOI: 10.1002/pen.25218.
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