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.
| Matrix | Fibre (type of orientation) | Fibre content (%) | Type of treatment | Impact strength (joules) | Hardness (Barcol units) | Reference |
| PLA | Sisal (random) | 30.00 | None | 3.30 | — | [29] | PLA/PEG-plasticized | Sisal | 30.00 | None | 4.50 | — | [29] | UFR | Sisal (random) | 50.00 | Alkali, MAPP | 9.50 | — | [30] | PP | Wood (flour) | 30.00 | Alkali, MAPP | 5.00 | — | [30] | PP/EPR/MAPP | Wood (flour) | 30.00 | Alkali, MAPP | 7.00 | — | [30] | PP/MAPP | Wood (flour) | 30.00 | Alkali, MAPP | 5.00 | — | [30] | Epoxy | Areca fibre | 40.00 | Alkali | — | 45.00 | [31] | Epoxy | Sisal (unidirectional) | 0.00–50.00 | Alkali, silane, acid hydrolysis | 0.84–12.65 | 26.00–49.00 | Present study |
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