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Journal of Reinforced Plastics and Composites
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Effect of Normal Load and Sliding Velocity on Friction and Wear Behavior of Carbon Fiber Reinforced Epoxy Composites

B. Suresha

Department of Mechanical Engineering National Institute of Engineering, Mysore-570 008, India, sureshab2004{at}yahoo.co.in

G. Chandramohan

Department of Mechanical Engineering PSG College of Technology, Coimbatore-641 004, India

Friction and dry sliding wear behavior of [0°/90°]S and unidirectionally (UD) oriented carbon-epoxy (C-E) composites has been studied using block-on-roller test set up. The dry sliding wear experiments were conducted for the following C-E composites namely 0°/90°, parallel and anti-parallel surfaces with respect to the sliding direction. The coefficient of friction and wear of the composites for two different loads and various sliding velocities have been determined. It was observed that the wear loss increases linearly with increase in sliding velocity/loads. Besides conventional weighing, determination of the coefficient of friction and examination of worn surface features by scanning electron microscopy (SEM) were undertaken to study the tribological behavior. Disorientation of fibers, fiber fracture, matrix deformation and wear debris damage mechanisms were observed under SEM. Composite wear was accompanied by material transfer onto the counter surface.

Key Words: block-on-roller wear tester • carbon-epoxy composite • fiber orientation • scanning electron microscopy.

This version was published on November 1, 2007

Journal of Reinforced Plastics and Composites, Vol. 26, No. 16, 1695-1703 (2007)
DOI: 10.1177/0731684407081440
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