Durability of Underwater-Made Butt Steel Adhesive Joints under Laboratory Conditions: Theoretical Model
Publication: Journal of Materials in Civil Engineering
Volume 25, Issue 10
Abstract
Epoxide resins are widely employed as adhesives and are being increasingly used in engineering industries. However, adhesively bonded components may suffer significant loss in strength when exposed to environmental attack. The most severe threat is water, and adhesive joint strength decay can be accelerated if externally applied stresses are present. In this work an attempt has been made to develop a model to predict the theoretical durability of butt mild steel joints made underwater. The model was based on experimentally obtained data using double-torsion underwater-made joints and ambient air-made double-torsion and butt joints. All joints were subjected to similar conditions, i.e., static stresses in the presence of water. The first step in developing a test method and model for predicting the environmental fracture data of butt joints made underwater has been proposed that was independent of the detailed butt joint geometry. The model appeared to be successful and accounted for the phenomenon of crack tip blunting that occurs in the adhesives. This is the first time such a model is reported in the literature that may be useful when all variables are included.
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Acknowledgments
The author would like to thank the UK Ministry of Defense for their financial support.
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Information & Authors
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Published In
Journal of Materials in Civil Engineering
Volume 25 • Issue 10 • October 2013
Pages: 1558 - 1562
Copyright
© 2013 American Society of Civil Engineers.
History
Received: May 16, 2011
Accepted: Sep 10, 2012
Published online: Sep 16, 2013
Published in print: Oct 1, 2013
Discussion open until: Feb 16, 2014
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