{"title":"Non-Circular Carbon Fiber Reinforced Polymers Chainring Failure Analysis","authors":"A. Elmikaty, Z. Thanawarothon, L. Mezeix","volume":133,"journal":"International Journal of Materials and Metallurgical Engineering","pagesStart":17,"pagesEnd":23,"ISSN":"1307-6892","URL":"https:\/\/publications.waset.org\/pdf\/10008527","abstract":"
This paper presents a finite element model to simulate the teeth failure of non-circular composite chainring. Model consists of the chainring and a part of the chain. To reduce the size of the model, only the first 11 rollers are simulated. In order to validate the model, it is firstly applied to a circular aluminum chainring and evolution of the stress in the teeth is compared with the literature. Then, effect of the non-circular shape is studied through three different loading positions. Strength of non-circular composite chainring and failure scenario is investigated. Moreover, two composite lay-ups are proposed to observe the influence of the stacking. Results show that composite material can be used but the lay-up has a large influence on the strength. Finally, loading position does not have influence on the first composite failure that always occurs in the first tooth.<\/p>\r\n","references":"[1]\tC. Bouvet, S. 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