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Strain-Rate-Dependent Deformation Behavior of Carbon-Black-Filled Rubber under Monotonic and Cyclic Straining

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Abstract:

The constitutive equation of rubber is derived by employing a nonaffine molecular chain network model for an elastic deformation behavior and the reptation theory for a viscoelastic deformation behavior. The results reveal the roles of the individual springs and dashpot, and the strain rate dependence of materials and disentanglement of molecular chains in the monotonic and cyclic deformation behaviors, particularly softening and hysteresis loss, that is, the Mullins effect, occurring in stress-stretch curves under cyclic deformation processes.

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Periodical:

Key Engineering Materials (Volumes 340-341)

Pages:

1017-1024

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.340-341.1017

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Online since:

June 2007

Authors:

Yoshihiro Tomita, K. Azuma, M. Naito

Keywords:

Carbon-Black-Filled Rubber, Cyclic Deformation Behaviour, Homogenization Method, Hysteresis Loss, Molecular Chain Network Theory, Nonaffine Model, Strain Rate Dependent Behaviour

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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References

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