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Communication Dans Un Congrès Année : 2014

Rapid determination of the fatigue properties of carbon fiber epoxy matrix composite laminates by self heating tests

Résumé

Self-heating measurements under cyclic loading allow a fast estimation of fatigue properties of composite materials. The tensile fatigue behavior of a high stress carbon fiber epoxy-matrix composite laminates is examined at room temperature. Tension-tension cyclic fatigue tests are also conducted under load control to obtain high-cycle fatigue stress curves (S-N). The fatigue limits of the different composite lay-ups tested were successfully compared with data resulting from the self-heating test method on the same laminates. This comparison reveals a good agreement between the two methods dedicated to stress fatigue limit determination. In addition, a tomographic analysis is used to perform comparisons at the microscale between both fatigue methods. The nonlinear heat transfer laminate theory is used for self-heating tests simulation. Self-heating simulations involving conduction, convection, and boundary radiation are performed with the Finite Element code Cast3M.
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Dates et versions

hal-01240340 , version 1 (09-12-2015)

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  • HAL Id : hal-01240340 , version 1

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Laurent Gornet, Ophélie Westphal, Patrick Rozycki, Laurent Stainier, Guillaume Kemlin. Rapid determination of the fatigue properties of carbon fiber epoxy matrix composite laminates by self heating tests. ECCM16 - 16th European Conference on Composite Materials, Jun 2014, Sevilla, Spain. ⟨hal-01240340⟩
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