Enhancement of adhesive bonding strength: surface roughness and wettability characterisations / Norazwani Muhammad Zain, Sahrim Hj Ahmad and Ernie Suzana Ali

Muhammad Zain, Norazwani and Hj Ahmad, Sahrim and Ali, Ernie Suzana (2014) Enhancement of adhesive bonding strength: surface roughness and wettability characterisations / Norazwani Muhammad Zain, Sahrim Hj Ahmad and Ernie Suzana Ali. Journal of Mechanical Engineering, 11 (1). pp. 55-73. ISSN 1823-5514

Abstract

In order to enhance the adhesive bonding, two different methods of surface treatments have been carried out on aluminum alloy 2024-T3 substrate i.e. alkaline etching and silane treatment. The topology and surface chemical analyses of treated alloy were investigated by AFM and XPS, respectively. The effect of surface treatments on the wettability and adhesive bonding strength were also studied. Three different formulations of polyurethane adhesive by varying the NCO: OH ratio that were prepared from the reaction of green polycaprolactone (PCL) polyol and diisocyanate. Silane treatment showed better wettability and adhesive bonding strength compared to alkaline etching surface treatment.

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Metadata

Item Type: Article
Creators:
CreatorsID Num.
Muhammad Zain, NorazwaniUNSPECIFIED
Hj Ahmad, SahrimUNSPECIFIED
Ali, Ernie SuzanaUNSPECIFIED
Divisions: Faculty of Mechanical Engineering
Journal or Publication Title: Journal of Mechanical Engineering
ISSN: 1823-5514
Volume: 11
Number: 1
Page Range: pp. 55-73
Item ID: 17654
Uncontrolled Keywords: alkaline etching, silane treatment, polyurethane adhesive, wettability, adhesive strength
URI: http://ir.uitm.edu.my/id/eprint/17654

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