Predicting the Crack Growth Behavior in a Filled Elastomer

C.T. Liu; M. Yen; H.K. Ching

doi:10.4028/www.scientific.net/AMM.3-4.273

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 3-4Predicting the Crack Growth Behavior in a Filled...

Predicting the Crack Growth Behavior in a Filled Elastomer

Abstract:

In this study, single-edge cracked uniaxial specimens with an initial crack length of 0.1 in. or 0.3 in. and wedge-shaped sheet specimens with an initial crack length of 0.3 in were tested at a constant displacement rate of 50 in/min under 1000 psi confining pressure. The specimens were made of a highly filled polymeric material, containing 86% by weight of hard particles embedded in a rubbery matrix, which was made of polybutadiene-acrylic acid-acrylonitrile rubber. The uniaxial crack growth data were used to develop a crack growth model, relating crack growth rate da/dt and Mode I stress intensity factor KI. The developed crack growth model was used to predict the crack growth behavior in the wedge-shaped specimen. The results of the analysis indicated that the predicted crack growth rate compared well with the experiment

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Periodical:

Applied Mechanics and Materials (Volumes 3-4)

Pages:

273-278

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.3-4.273

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Online since:

August 2006

Authors:

C.T. Liu, M. Yen, H.K. Ching

Keywords:

Crack Growth Behavior, Fracture Mechanic, Particulate Composite

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References

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