Effect of Strain Rate on Tension Response of Filled Silicone Rubber

Ling Mei Guo; Yan An Lv; Zhi Fang Deng; Yang Wang

doi:10.4028/www.scientific.net/AMM.863.112

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 863Effect of Strain Rate on Tension Response of...

Effect of Strain Rate on Tension Response of Filled Silicone Rubber

Abstract:

Uniaxial tension tests for filled silicone rubber were performed at high strain rates using a split Hopkinson tension bar system. Quasi-static tension tests were carried out using an Instron-E3000 material test system. The grip fixture was designed to reliably connect the tensile specimen with the incident/transmitted bars. The method to increase the signal-noise ratio of the stress pulse in the transmitted bar was proposed. The effect of specimen gage length-to-width ratio on the stress-strain responses was experimentally studied. The suitable specimen geometry was determined by means of experimental investigation and finite element analysis. The automated grid method was used to capture the deformation information of the tensile specimen. Experiments indicate that the tension responses of silicone rubber exhibit the apparent hyper-elastic and rate-dependent characteristics. The values of tensile modulus increase with the increase of strain rate. The stress at a given elongation increases with the increase of strain rate.

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Periodical:

Applied Mechanics and Materials (Volume 863)

Pages:

112-116

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.863.112

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Online since:

February 2017

Authors:

Ling Mei Guo, Yan An Lv, Zhi Fang Deng, Yang Wang*

Keywords:

Silicone Rubber, Strain Rate, Tension Response

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