An experimental study of effect of atmospheric plasma treatment on shear strength of adhesively bonded GFRP-aluminum joints

Authors

  • Asil AYAZ İzmir Katip Çelebi Üniversitesi
  • Gizem Dilara OZDEMİR
  • Utku Kurşat ERCAN
  • Kutlay SEVER
  • Nazik KORKUT

DOI:

https://doi.org/10.22399/ijcesen.316

Keywords:

adhesive bonding, atmospheric plasma treatment, lap-shear strength, aluminum alloy, fiber reinforced polymer composite

Abstract

The objective of this study is to investigate the effect of air (dielectric barrier discharge) DBD plasma treatment on the bonding strength of adhesively bonded glass fiber-reinforced epoxy composite-aluminum lap joints. The bonding performance of lap joints produced by the plasma treatment was compared with that of untreated and peel-ply surface treatments. Water contact angles of the substrates were measured for untreated, peel-ply, and plasma surface-treated substrates. Experimental results showed that plasma-treated aluminum and GFRP substrates increased the wettability properties and thus shear strength of adhesively bonded GFRP-Al joints increased. After the shear tests, the fracture surfaces of the substrates were visually examined and three different damage modes were observed, including light fiber tear failure, adhesive failure, and thin layer cohesive failure modes.

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Published

2024-05-28

How to Cite

AYAZ, A., OZDEMİR, G. D., ERCAN, U. K., SEVER, K., & KORKUT, N. (2024). An experimental study of effect of atmospheric plasma treatment on shear strength of adhesively bonded GFRP-aluminum joints. International Journal of Computational and Experimental Science and Engineering, 10(2). https://doi.org/10.22399/ijcesen.316

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Research Article