Research Article
Improving Mechanical Properties of Thermoset Biocomposites by Fiber Coating or Organic Oil Addition
Table 1
Composite sample types and their thicknesses.
| Resin type | Fiber type | Fiber content (weight %) | Oil addition (weight %) | Fiber coating | Average thickness (mm) | Thickness standard deviation (sample-to-sample) (mm) |
| Epoxy | Fiberglass | 39.1 ± 1.6% | No oil | No coating | 0.493 | 0.023 | Hemp | 22.8 ± 0.8% | 0.636 | 0.045 | Fiberglass | 38.5 ± 0.9% | 2% linseed oil | No coating | 0.506 | 0.022 | Hemp | 27.2 ± 0.7% | 0.587 | 0.035 | Fiberglass | 47.5 ± 1.8% | 10% linseed oil | No coating | 0.397 | 0.020 | Hemp | 30.3 ± 3.7% | 0.590 | 0.023 | Fiberglass | 44.4 ± 1.2% | 2% pine oil | No coating | 0.392 | 0.013 | Hemp | 27.8 ± 2.5% | 0.634 | 0.054 | Fiberglass | 46.0 ± 2.6% | 10% pine oil | No coating | 0.404 | 0.028 | Hemp | 30.3 ± 1.5% | 0.570 | 0.033 | Fiberglass | 32.9 ± 2.5% | No oil | A-APTES | 0.624 | 0.077 | Hemp | 25.8 ± 0.4% | 0.621 | 0.031 | Fiberglass | 39.4 ± 3.0% | No oil | B-APTES | 0.516 | 0.067 | Hemp | 26.9 ± 1.1% | 0.620 | 0.033 |
| UVL | Fiberglass | 36.5 ± 1.4% | No oil | No coating | 0.576 | 0.025 | Hemp | 24.5 ± 0.8% | 0.699 | 0.031 | Fiberglass | 30.2 ± 2.6% | No oil | A-APTES | 0.709 | 0.094 | Hemp | 18.4 ± 0.7% | 0.953 | 0.047 | Fiberglass | 32.2 ± 2.3% | No oil | B-APTES | 0.681 | 0.060 | Hemp | 26.1 ± 2.9% | 0.678 | 0.106 |
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