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Assessment of Crack Initiation in Tire Synthetic Rubber by Residual Strength Method

[+] Author Affiliations
Erol Sancaktar, I-Ta Chang, Ruofan Liu, Andrew Bower

University of Akron, Akron, OH

Paper No. DETC2014-35239, pp. V003T01A044; 8 pages
doi:10.1115/DETC2014-35239
From:
  • ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 3: 16th International Conference on Advanced Vehicle Technologies; 11th International Conference on Design Education; 7th Frontiers in Biomedical Devices
  • Buffalo, New York, USA, August 17–20, 2014
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-4634-6
  • Copyright © 2014 by ASME

abstract

Classically, fatigue analysis such as Miner’s Rule is a representation of the “Residual Strength” method; however it is typically applied to relatively brittle materials using the methods of elasticity. We propose a fatigue-based “Residual Strength” method for synthetic rubber materials used in tire production. We model progressive but very slow cumulative damage by using constant strain rate behavior of the neat material, and material subjected to fatigue loading and by assessing the differences in failure stress and strain values as well as resilience and toughness values. Results are planned to be reflected to S-N curves. Our method will serve as an accurate predictive durability tool for tires build using different materials, fillers, reinforcements and different manufacturing methods.

Copyright © 2014 by ASME

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