Journal
PLASTICS RUBBER AND COMPOSITES
Volume 44, Issue 7, Pages 291-298Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1179/1743289815Y.0000000030
Keywords
Natural fibre; Glass fibre; Thermoset resin; Moulding compound; Interface; Impact behaviour
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Funding
- Building Research Establishment (BRE)
- Engineering and Physical Sciences Research Council (EPSRC)
- EPSRC [EP/D07942X/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/D07942X/1] Funding Source: researchfish
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This paper describes the results of falling weight impact tests on natural fibre reinforced polyester composites fabricated using a conventional sheet moulding compound (SMC) process. The influence of hemp fibre and CaCO3 filler content on the penetration energy of hemp fibre reinforced sheet moulding compound (H-SMC) is reported and compared with glass fibre reinforced sheet moulding compound (G-SMC). To evaluate the influence of fibre/matrix interfacial adhesion on the impact behaviour of these H-SMCs, the hemp fibres were treated with alkaline and silane treatments, as well as a combination of these treatments. A simple mechanistic model is proposed for these natural fibre composites and is used to obtain more insight into the impact behaviour of the composites as well as to provide guidelines to compare the experimental data with theory.
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