Surface analytical characterisation of Nd:YAG-laser pre-treated Al Mg3 as a preparation for bonding |
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| Affiliation: | 1. Technische Universität Dresden, Institute of Surface and Manufacturing Technology, D-01069 Dresden, Germany;2. Technische Universität Dresden, Institute of Materials Science, D-01062 Dresden, Germany;3. Fraunhofer Institute for Material and Beam Technology (IWS), D-01277 Dresden, Germany;1. Intense Laser Irradiation Laboratory, INO-CNR, Via Moruzzi, 1, 56124 Pisa, Italy;2. INFN, Sez. Pisa, Largo B. Pontecorvo, 3, 56127 Pisa, Italy;3. Istituto Italiano di Tecnologia, Nanophysics Department, via Morego 30, 16163 Genova, Italy;4. Universitá di Bologna e Sez. INFN, Bologna, Italy;5. Dipartimento di Fisica, Università di Pisa, Italy;1. Department of Mechanical Engineering, IES College of Technology, Bhopal 462044, India;2. Department of Mechanical Engineering, Galgotias College of Engineering and Technology, Greater Noida 201310, India;3. Department of Mechanical Engineering, National Institute of Technology Delhi, New Delhi 110016, India;1. Faculty of Mechanical Engineering, University of Ljubljana, Aškerčeva 6, 1000 Ljubljana, Slovenia;2. Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan;3. Japan Science and Technology Agency, K''s-gobancho, 7, Gobancho, Chiyoda-ku, Tokyo, 102-0076, Japan |
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| 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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