effect of strain rate on compressive behaviour of silicone rubber

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ID: 184554
2018
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Abstract
The purpose of this study is to evaluate the effect of strain rate on compressive behaviour of silicone rubber. The silicone rubber which was used as biomimetic material was prepared as a specimen. The shape of specimen was cubic and each side length was 10 mm. In this study, a dynamic compressive test was performed using a drop-weight testing machine at the strain rate of approximately 101 s-1, which can be detect the compressive stress for a long time without any disturbance. For comparison, a quasi-static compressive test was performed using the universal testing machine at the strain rate of 10-4 to 10-1 s-1. In the deformation process of the silicone rubber, the flow stress did not increase at the early stage of deformation. When the strain reached 0.6, the flow stress was increased with increasing strain. This deformation process was considered to be due to rubber elasticity. It was confirmed that the silicone rubber showed an increase of the flow stress with increasing strain rate, which showed general behaviour of soft materials such as rubber. In the silicone rubber, the flow stress with respect to the strain rate could be simply expressed with the Cowper-Symonds constitutive equation.
Reference Key
kohei2018epjeffect Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Tateyama Kohei;Yamada Hiroyuki;Ogasawara Nagahisa
Journal utilitas mathematica
Year 2018
DOI
10.1051/epjconf/201818302044
URL
https://doi.org/10.1051/epjconf/201818302044
Keywords
physics

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