Evaluation of Bonded Joints by Cohesive Zone Models: A Descriptive Study

Cohesive Zone Models (CZM) are commonly used to forecast adhesive junction strength. This research investigates the impact of various analytical conditions, especially cohesive parameters, utilised in CZM simulations to represent a thin adhesive layer in single-lap joints (SLJ) under tensile stress, on strength prediction under various geometrical and material circumstances. The researchers looked several adhesives with brittle to highly ductile characteristics and overlap lengths (LO) ranging from 12.5 to 50 mm. Several damage initiation and growth characteristics were explored. When the modelling conditions are properly specified, CZM is a potent approach for estimating the strength of bonded joints, according to the findings of this study.

Author(s) Details:

R. J. B. Rocha,
Departamento de Engenharia Mecanica, Instituto Superior de Engenharia do Porto, Instituto Politecnico do Porto, Rua Dr. Antonio Bernardino de Almeida, 431, 4200-072 Porto, Portugal.

R. D. S. G. Campilho,
Departamento de Engenharia Mecanica, Instituto Superior de Engenharia do Porto, Instituto Politecnico do Porto, Rua Dr. Antonio Bernardino de Almeida, 431, 4200-072 Porto, Portugal and INEGI – Polo FEUP, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal.

Please see the link here: https://stm.bookpi.org/NTPSR-V3/article/view/6834

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