Warm water treatment of aluminum for adhesive bonding

The effectiveness of treating grit-blast aluminum 2024 and 7075 alloys with a warm water treatment prior to the application of a silane solution as part of the surface treatment for adhesive bonding has been investigated. At 50°C, treatment times in excess of 30 min resulted in joints which showed n...

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Bibliographic Details
Published in:International journal of adhesion and adhesives 2003, Vol.23 (4), p.307-313
Main Authors: Underhill, P.R., Rider, A.N., DuQuesnay, D.L.
Format: Article
Language:English
Subjects:
Adhesive bonding
Applied sciences
B. Aluminum and alloys
B. Surface roughness/morphology
B. Surface treatment
C. Wedge test
Exact sciences and technology
Joining, thermal cutting: metallurgical aspects
Metals. Metallurgy
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Summary:The effectiveness of treating grit-blast aluminum 2024 and 7075 alloys with a warm water treatment prior to the application of a silane solution as part of the surface treatment for adhesive bonding has been investigated. At 50°C, treatment times in excess of 30 min resulted in joints which showed negligible crack growth in the wedge test performed at 50°C and 95–100% RH. At 40°C, a treatment time of at least 1 h was required in order to obtain comparable performance. The results extend previous work done with boiling water.
ISSN:0143-7496
1879-0127
DOI:10.1016/S0143-7496(03)00048-4