Friction Characteristics of CFRP Plates in Contact with Copper Plates under High Contact Pressure
Publication: Journal of Composites for Construction
Volume 20, Issue 5
Abstract
Carbon fiber-reinforced-polymer (CFRP) plates have significant properties for applications in structural engineering, automotive, aviation, space, and shipbuilding. CFRP plates have the advantage over conventional materials owing to their resistance to corrosion, low weight, and high tensile strength. The coefficient of friction between CFRP plate and copper plate is an important parameter required for designing anchors for CFRP plates. The friction behavior of CFRP plates in contact with copper plates of different hardness (as-received and annealed) under high contact pressure (50–175 MPa) was investigated. The shear stress versus contact pressure relationship was linear for the as-received copper plates with a constant coefficient of friction of 0.31. However, for the annealed copper plates, the coefficient of friction decreased with contact pressure from 0.39 to 0.30. For all tests, the sliding distance before rupture of CFRP plate decreased with the increase of contact pressure. Ploughing, wear, debris accumulation, and stick-slip behavior were observed and illustrated in this article.
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Acknowledgments
Sincere thanks are given to NSERC (for the NSERC PGS-D3 scholarship) and the University of Waterloo (for the President’s Scholarship) for their financial assistance for this research work. The authors also thank SIKA Canada Inc. for their CFRP plate donations for this research work.
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Published In
Journal of Composites for Construction
Volume 20 • Issue 5 • October 2016
Copyright
© 2016 American Society of Civil Engineers.
History
Received: Jul 20, 2015
Accepted: Dec 1, 2015
Published online: Feb 22, 2016
Discussion open until: Jul 22, 2016
Published in print: Oct 1, 2016
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