Effects of surface treatments of AA 2024-T3 aluminum sheet on bonding to epoxy-based film adhesive
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Hsien-Tang Chiu
,
Yean-Ho Liao
Abstract
Four different surface treatments were performed on aluminum sheets that were then bonded with an epoxy-based film adhesive in an autoclave to achieve good adhesion. Specimens were examined to determine the microstructure of the porous oxide layer on the aluminum sheet surface and its effects on the bonding performance. Based on the failure modes of the bonded surfaces, the peeling strength, and an analysis of the microstructure of the porous oxide layer, this study showed that chromic anodizing the aluminum sheet had the best bonding performance, whereas sulfuric and hard anodizing exhibited the worst bonding performance. Hot etching exhibited a bonding performance somewhere between that of chromic anodizing and that of sulfuric anodizing. The chromic anodizing surface treatment can produce more pores on the oxide layer of aluminum sheet surface, which can enlarge the bonding areas and consequently enhance its bonding performance.
©2012 by Walter de Gruyter Berlin Boston
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Articles in the same Issue
- Masthead
- Masthead
- Original Articles
- Sensitivity analysis of free-volume theory parameters in multicomponent polymer-solvent-solvent systems
- Effect of intercalant types on the properties of melt blended metallocene polyethylene/metallocene polyethylene-g-silane/clay nanocomposites
- Compatibilization and toughening of immiscible ternary blends of polyamide 1010, polypropylene, and ABS resin
- Clay modification with silane compounds and characterization of the silicone rubber/clay composites
- Effects of surface treatments of AA 2024-T3 aluminum sheet on bonding to epoxy-based film adhesive
- Thermooxidative degradation and its kinetics of natural rubber coagulated by microwave radiation
- Modeling of tensile modulus of polyolefin-layered silicate nanocomposites: modified micro-mechanical and statistical methods
- Comparative study and characterization of starches isolated from unconventional tuber sources
- Unsaturated polyester/E-glass fiber composites made by vacuum assisted compression resin transfer molding
- Influence of stacking sequence on mechanical properties of basalt-jute fiber-reinforced polymer hybrid composites
- Effect of processing variables on mechanical properties of montmorillonite clay/unsaturated polyester nanocomposite using Taguchi based grey relational analysis
- Study on DTBP initiated MAH onto polybutene-1 with melt-grafting
- Investigation of rapid manufacturing technology with ABS material for wind tunnel models fabrication
- Potential solvent for reconditioning polyolefin waste materials
