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author:

Liao, J. (Liao, J..) [1] | Huang, Y. (Huang, Y..) [2] | Xue, X. (Xue, X..) [3] | Hussain, G. (Hussain, G..) [4] | Alkahtani, M. (Alkahtani, M..) [5] | Alqahtani, F.M. (Alqahtani, F.M..) [6]

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Scopus

Abstract:

Aluminum/polyether ether ketone (Al/PEEK) laminates, valued for lightweight and corrosion resistance in aerospace and transportation, face challenges in bonding Al alloy and PEEK due to mismatched thermal expansion and PEEK's chemical inertness. This study introduces a novel approach combining carbon nanotube (CNT) coating with laser bionic texturing inspired by natural structures (e.g., bird feathers, butterfly wings). AA6060/PEEK shear samples were fabricated via the hot-pressing, and the effects of CNT areal density, laser linear spacing, bionic textures and fractal number on the shear strength were analyzed. Techniques such as SEM, Raman spectroscopy, and X-ray photoelectron spectroscopy were employed to investigate the underlying mechanisms further. The results demonstrate that the shear strength of wave-textured samples with optimized CNT areal density and fractal number is about twice as high as that of linear-textured samples without CNTs. Notably, the interface delamination shifts to AA6060 matrix failure, confirming robust bonding. The results also indicated that the enhanced mechanisms of this method include the micro-nano mechanical interlocking, chemical bond formation, and CNT bridging effect at the interface. This research provides new insights into enhancing the Al/PEEK interfacial adhesion. © 2025 Elsevier Ltd

Keyword:

Bionic fractal CNT coating Laser texturing Metal/plastic laminates Shear strength

Community:

  • [ 1 ] [Liao J.]School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, 350108, China
  • [ 2 ] [Huang Y.]School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, 350108, China
  • [ 3 ] [Xue X.]School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, 350108, China
  • [ 4 ] [Hussain G.]Mechanical Engineering Department, Faculty of Engineering, University of Bahrain, Isa Town, 32038, Bahrain
  • [ 5 ] [Alkahtani M.]Department of Industrial Engineering, College of Engineering King Saud University, P. O. Box 800, Riyadh, 11421, Saudi Arabia
  • [ 6 ] [Alqahtani F.M.]Department of Industrial Engineering, College of Engineering King Saud University, P. O. Box 800, Riyadh, 11421, Saudi Arabia

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Source :

Composite Structures

ISSN: 0263-8223

Year: 2025

Volume: 372

6 . 3 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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