Research Article

The Impact Toughness and Hardness of Treated and Untreated Sisal Fibre-Epoxy Resin Composites

Table 3

A summary of impact strength and hardness of selected natural fibre composites.

MatrixFibre (type of orientation)Fibre content (%)Type of treatmentImpact strength (joules)Hardness (Barcol units)Reference

PLASisal (random)30.00None3.30[29]
PLA/PEG-plasticizedSisal30.00None4.50[29]
UFRSisal (random)50.00Alkali, MAPP9.50[30]
PPWood (flour)30.00Alkali, MAPP5.00[30]
PP/EPR/MAPPWood (flour)30.00Alkali, MAPP7.00[30]
PP/MAPPWood (flour)30.00Alkali, MAPP5.00[30]
EpoxyAreca fibre40.00Alkali45.00[31]
EpoxySisal (unidirectional)0.00–50.00Alkali, silane, acid hydrolysis0.84–12.6526.00–49.00Present study