A new pretreatment for the adhesive bonding of aluminium |
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| Authors: | D.J. Arrowsmith A.W. Clifford |
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| Affiliation: | Admiralty Research Establishment, UK |
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| Abstract: | A new pretreatment for the adhesive bonding of aluminium has been developed. Hard anodizing in sulphuric acid gave a dense, corrosion-resistant coating which was then textured by controlled dissolution in phosphoric acid. The topography and chemical properties of the surface were then suitable for adhesive bonding. The structure of the anodic film, the bond strengths obtained and the bond durability in humid atmospheres were assessed and compared with those from conventional treatments. |
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| Keywords: | adhesive-bonded joints aluminium surface treatment anodizing |
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