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Understanding the relationship between silane application conditions, bond durability and locus of failure

Abel, ML, Allington, RD, Digby, RP, Porritt, N, Shaw, SJ and Watts, JF (2006) Understanding the relationship between silane application conditions, bond durability and locus of failure International Journal of Adhesion and Adhesives, 26 (1-2). pp. 2-15.

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Abstract

The extent to which an organosilane surface treatment regime can promote durability enhancement of an adhesively bonded aluminium alloy system has been determined. Results have revealed the range of application and film-conditioning parameters which contribute to joint durability in a simple Boeing wedge joint. Organosilane solution parameters relating to solvent type, solution concentration, pH and hydrolysis time have all been shown to influence resultant durability. Interestingly, parameters such as film drying temperature and in-process time delay (time interval between application of the organosilane to the alloy surface and subsequent bonding) have little influence on joint performance. The factors responsible for the durability variations observed have been considered using various surface analytical techniques. Superficially, failure surfaces indicative of interfacial failure between substrate and adhesive have been observed. More detailed characterisation using both XPS and SIMS has indicated failure processes associated with a 'diffusion zone' comprising aluminium oxide and the organosilane. Crown Copyright © 2005 Published by Elsevier Ltd. All rights reserved.

Item Type: Article
Authors :
NameEmailORCID
Abel, MLm.abel@surrey.ac.ukUNSPECIFIED
Allington, RDUNSPECIFIEDUNSPECIFIED
Digby, RPUNSPECIFIEDUNSPECIFIED
Porritt, NUNSPECIFIEDUNSPECIFIED
Shaw, SJUNSPECIFIEDUNSPECIFIED
Watts, JFUNSPECIFIEDUNSPECIFIED
Date : 1 February 2006
Identification Number : https://doi.org/10.1016/j.ijadhadh.2005.03.009
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 11:15
Last Modified : 17 May 2017 14:55
URI: http://epubs.surrey.ac.uk/id/eprint/830634

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