Prediction of adhesion failure of bonded joints using 3-point bending test and stress-energy coupled criterion

Abstract : In the recent years, a coupled energy and stress approach has been used successfully to treat problems involving stress concentration since the stress-based criteria only are no more valid near a singularity. For the adhesive failure characterization, Roche et al. [4] have developed a 3-point bending test which has a similar stress concentration condition, and thus the coupled criterion can be applied to predict the failure of the adhesively bonded joint. For mechanical properties determination, the semi-analytical approach Macro-element technique is used, and the results will be compared with Cohesive Zone Model(CZM) based on damage mechanics.
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Submitted on : Wednesday, October 3, 2018 - 9:43:47 AM
Last modification on : Thursday, October 24, 2019 - 11:38:04 AM

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  • HAL Id : hal-01882894, version 1
  • OATAO : 20781

Citation

Thiago Vasconcellos Birro, Frederic Lachaud, Maëlenn Aufray, Eric Paroissien. Prediction of adhesion failure of bonded joints using 3-point bending test and stress-energy coupled criterion. 8th international Conference on structural Analysis of Advanced Materials, Aug 2018, Tarbes, France. pp.1-43. ⟨hal-01882894⟩

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