Research on adhesive interface peel of aluminum-composite based on bilinear cohesive zone model

Zilong Yang; Yuxia Hu; Fujiang Yang

doi:10.1117/12.3015469

6 February 2024 Research on adhesive interface peel of aluminum-composite based on bilinear cohesive zone model

Zilong Yang, Yuxia Hu, Fujiang Yang

Proceedings Volume 12979, Ninth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023); 129790O (2024) https://doi.org/10.1117/12.3015469
Event: 9th International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023), 2023, Guilin, China

Abstract

By using a numerical simulation of the 90° peel test, the laws of the load-displacement curves of the peeling process with various fracture strengths, fracture energies, and material parameters were examined. This analysis was based on the bilinear cohesive zone model to describe the adhesive performance of the aluminum-composite interface. The cohesive model parameters of the adhesive interface between aluminum and composites were derived, and a technique was devised to infer the fracture strength backward from the test results of peel strength. Normal pull-out experiments were used to validate the established cohesiveness model and the resulting values. Only slightly more than 4.3% differs between the experimental and simulation values of the critical parameter fracture strength. The findings serve as a reference for forecasting the behavior of adhesive interfaces between aluminum composites and for addressing the issue of measuring the fracture strength of adhesive interfaces in situations when the adhesive bond between composite layers is weak.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Zilong Yang, Yuxia Hu, and Fujiang Yang "Research on adhesive interface peel of aluminum-composite based on bilinear cohesive zone model", Proc. SPIE 12979, Ninth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023), 129790O (6 February 2024); https://doi.org/10.1117/12.3015469

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KEYWORDS

Adhesives

Interfaces

Numerical simulations

Technetium

Aluminum

Composites

Data modeling

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