Crack-Propagating Direction of Tire Bead Rubber Determined by J_max Criterion

Abstract:

Three-dimensional crack propagating path of tire bead rubber was the premise to study the crack propagation direction of bead. For this reason, Jmax Criterion was put forward. Utilized J integral maximum (Jmax) to determine the crack propagation direction of rubber. Calculated J-integral values of different preset directions by Abaqus built-in algorithm, obtained J (θ) curve which showed the Jmax and direction angle (θ) by fitting simulation data. Using Abaqus to set up two different crack model of bead rubber and simulate the crack propagation path, the results was consistent with the real crack propagation direction of specimen test, validated the applicability of Jmax Criterion..

• Periodical: Applied Mechanics and Materials (Volume 43)
• Pages: 628-632
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.43.628
• Online since: December 2010
• Authors: Chang Shun Zhu, Guo Lin Wang, Ping Ping Li, Shang Wei Chen
• Keywords: Crack Propagating Direction, J_Max Criterion, Rubber

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