Comparison of Erosion Wear of Bidirectional and Multidirectional Oriented Glass Fibre Epoxy Composites

Abstract:

In this work, an attempt is made to find out the difference in erosion resistance of bidirectional (fibre orientation in 0° and 90° only) and multidirectional (fibre orientation in 0°, 15° 30°, 45°, 60°, 75°, and 90°) glass fibre epoxy composites. The erosion rate of the composites at different sand impingement angles (30°, 45°, 60°, and 90°) and at different velocities (86.57m/s, 101.15m/s, and 119.2m/s) was observed. The maximum erosion rate was observed at 45° sand impingement angle for both bidirectional and multidirectional composites. The orientation of the fibre in the composite has very little significance on the erosion rate. Both the composites with unidirectional and bidirectional glass fibre showed semi ductile behaviour. SEM was used to examine the surface of the specimen subjected to erosion. Erosion tendency with impact angle and fibre orientation was also touched upon in the study.

• Periodical: Materials Science Forum (Volume 969)
• Pages: 157-162
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.969.157
• Online since: August 2019
• Authors: P. Pratap Naidu*, Gujjala Raghavendra, Shakuntala Ojha
• Keywords: Epoxy, Erosion Wear, Glass Fibre, Orientation, Polymer Composites

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