What is it about?

This work deals with the energy dissipation characteristics and its contributing factors for a cracked pure shear specimen of natural rubber and styrene-butadiene rubber. The agenda was to correlate the crack growth rate and viscous energy dissipation of a cracked specimen.

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Why is it important?

We believe that a lucid explanation regarding the mechanics of crack propagation in a pure shear specimen of rubber is in great demand for understanding the prevalent failure criteria in automotive tires.


The fracture mechanics of silica based rubber composites is a challenging task to comprehend. When the analysis focuses on the energy parameters around the crack tip of these kind of composites, there are several factors that contribute to the crack propagation and plastic deformation around the crack tip region. This paper only tries to understand the viscous energy dissipation around the crack tip and its direct correlation with the crack propagation phenomena in a pure shear geometry based natural rubber, styrene-butadiene, and its blend samples.

Anandarup Bhattacharyya
Chonbuk National University

Read the Original

This page is a summary of: Crack growth rate determination of highly dispersible silica filled NR / SBR blends along with material parameters around the crack tip, Journal of Applied Polymer Science, September 2022, Wiley,
DOI: 10.1002/app.53148.
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