Journal
JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN
Volume 45, Issue 1, Pages 67-78Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1243/03093247JSA553
Keywords
sand particles; wood flakes; polyester composites; fracture toughness
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In the current work, the fracture toughness of sand-particle- and wood-flake-reinforced polyester composites was studied under a linear elastic fracture mechanics approach. The effects of the particulate volume fraction (0-60 vol%) were studied. Scanning electron microscopy was used to observe the damage features on the composite surface. Results showed that sand-particle- and fine-wood-flake-reinforced polymer composites exhibited better results at 40 vol% than at other particulate volume fractions. Meanwhile, coarse-wood-flake-reinforced polymer composites showed higher properties at 30 vol% than at other particulate volume fractions. Observation of the composite surface after tests showed that sand particles have poor interfacial adhesion compared with wood flakes.
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