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Combined bearing/pull-through failure envelope of composite joints: Experimental setup and numerical validation

Furtado, C. ; Pinto, R.F. ; Volpi, A. ; Danzi, F. ; Pereira, L.F. ; Tavares, R.P. ; Catalanotti, G. ; Queirós de Melo, F.J. ; Camanho, P.P.

Composites. Part A, Applied science and manufacturing, 2023-12, Vol.175, p.107754, Article 107754 [Periódico revisado por pares]

Elsevier Ltd

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  • Título:
    Combined bearing/pull-through failure envelope of composite joints: Experimental setup and numerical validation
  • Autor: Furtado, C. ; Pinto, R.F. ; Volpi, A. ; Danzi, F. ; Pereira, L.F. ; Tavares, R.P. ; Catalanotti, G. ; Queirós de Melo, F.J. ; Camanho, P.P.
  • Assuntos: Bolted joints ; Composite materials ; Experimental testing ; Finite element analysis
  • É parte de: Composites. Part A, Applied science and manufacturing, 2023-12, Vol.175, p.107754, Article 107754
  • Descrição: The failure envelope of composite fastened joints under combined bearing and pull-through loading conditions is obtained by developing, testing and validating a new experimental procedure. The new device proposed here is compatible with standard testing machines and captures the critical interactions between the two loading mechanisms for pull-through to bearing ratios ranging from 0.2 up to 0.8, allowing the characterization of the behaviour of composite joints under realistic loading scenarios. High-fidelity finite element simulations are used to support the validation of the test methodology: the ability of the fixture to maintain a constant mixed load ratio during the whole test was numerically confirmed and a detailed analysis of the failure modes provided further insights into the main degradation mechanisms occurring during the experiments. A very good agreement between the predicted and experimental failure load was obtained for the entire failure envelope, indicating the effectiveness of both the proposed test method and modelling strategy.
  • Editor: Elsevier Ltd
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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