Journal of Materials Science

, Volume 29, Issue 6, pp 1521–1526 | Cite as

Improvement of adhesive bonding strength in sealed anodized aluminium through excimer laser prebond treatment

  • Z. Gendler
  • A. Rosen
  • M. Bamberger
  • M. Rotel
  • J. Zahavi
  • A. Buchman
  • H. Dodiuk


The feasibility of using an excimer laser as a prebond treatment of sealed anodized aluminium alloys has been demonstrated. Irradiation of sealed chromic acid anodized aluminium by means of pulsed ultraviolet laser (193 nm wavelength, energy density of 0.2–7 J cm−2 per pulse and duration of 24 ns) improved bonding strength by more than 100% compared to that of the sealed anodized but non-treated alloy (using modified epoxy adhesive). The influence of laser treatment on the sealed anodic layer was investigated by various techniques, including scanning electron microscopy, X-ray diffraction and Fourier transform-infrared spectroscopy. Various phenomena, such as morphological changes, ablation, crater formation, melting, gas evaporation, water removal and crystallization, were observed following the laser treatment. The magnitude of these changes was found to depend on both laser-beam energy density and number of pulses.


Energy Density Aluminium Alloy Bonding Strength Laser Treatment Excimer Laser 
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Copyright information

© Chapman & Hall 1994

Authors and Affiliations

  • Z. Gendler
    • 1
  • A. Rosen
    • 1
  • M. Bamberger
    • 1
  • M. Rotel
    • 2
  • J. Zahavi
    • 2
  • A. Buchman
    • 3
  • H. Dodiuk
    • 3
  1. 1.Technion, Department of Materials EngineeringTechnion City, HaifaIsrael
  2. 2.Israel Institute of MetalsTechnion city, HaifaIsrael
  3. 3.RafaelHaifaIsrael

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