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March 18, 2026Applications in Engineering ScienceOpen Access

Evaluation of the bond performance of CFRP–GFRP composite lap joints using single and dual-adhesive configurations

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Authors

LKLakshmana Naik T KMMMahantesh S. MaturJRJairaja R

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Overview

Experimental investigation shows dual-adhesive configurations enhance joint performance in composite materials, suggesting effective bonding strategies.

Key Points

  • This research evaluates how different adhesive configurations impact the performance of CFRP–GFRP composite bonded joints.
  • Comparison of single-adhesive and dual-adhesive bonding strategies.
  • Assessment of joint quality using X-ray radiographic inspection.
  • Experimental tensile testing paired with Digital Image Correlation to analyze bond strength and failure behavior.
  • Finite element simulations to evaluate peel and shear stress distributions.
  • Ductile single-adhesive joints showed an 18.19% higher load-carrying capacity than brittle joints.
  • Dual-adhesive joints achieved a 26.25% improvement over single brittle-adhesive joints.
  • Finite element simulations confirmed close alignment with experimental results, validating the adhesive configurations.

Cite This Study

K et al. (2026) studied this question.

synapsesocial.com/papers/69ba43e94e9516ffd37a5a16https://doi.org/10.1016/j.apples.2026.100317
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