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Surface analytical characterisation of Nd:YAG-laser pre-treated Al Mg3 as a preparation for bonding

Authors
Journal
Solid State Sciences
1293-2558
Publisher
Elsevier
Volume
14
Issue
7
Identifiers
DOI: 10.1016/j.solidstatesciences.2012.04.029
Keywords
  • Al Mg3
  • Aluminium
  • Anodisation
  • Bonding
  • Electrochemical Impedance Spectrometry
  • Energy-Dispersive X-Ray Spectroscopy
  • Laser
  • Nd:Yag
  • Oxide Layer
  • Scanning Electron Microscopy
  • Shear Strength
Disciplines
  • Chemistry

Abstract

Abstract The contribution summarises results of the surface pre-treatment of Al Mg3 (EN-AW-5754) for bonding applications. Mainly the sheet samples were irradiated with a pulsed solid-state laser in different atmospheres. Afterwards the pre-treated surfaces were analysed by quantitative topographic measurements, scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), and electrochemical impedance spectroscopy (EIS). The effect of surface pre-treatment on the strength of adhesively bonded specimens was evaluated by tensile lap-shear strength tests. The results were compared with conventional pre-treatment methods, such as anodic oxidation and others.

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