Title: QUASI-STATIC PERFORATION STUDY USING A SHARP-TIP CONICAL INDENTER ON GRP PLATES CONTAINING SAND FILLER
Page Range: p.21-30
Author(s): Sabet A R; Beheshty M H; Rahimi H
File size: 430K
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Journal: Polymers and Polymer Composites
Issue Year: ppc
Volume: 17
Issue No: No.1
Abstract
The penetration and perforation performance of E-glass fibre-reinforced unsaturated polyester plates containing 20% of sand as a filler was investigated by means of quasi-static indentation testing using a sharp-tip (30 degree) indentor. The filler had particle sizes of 75 and 600 micrometers and the composite plates were subjected to perforation tests at 5 and 500 mm/min loading rates. Low-velocity impact performance of the composite plates was assessed from load-displacement behaviour during penetration and perforation. It was found that the coarse-sized filler acted as secondary reinforcement in terms of higher energy absorption and the major damage modes were fibre and matrix fracture followed by delamination. 31 refs.
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