Advances in Materials Science and Engineering / 2021 / Article / Tab 2 / Research Article
Effect of Hemp Fibre Surface Treatment on the Fibre-Matrix Interface and the Influence of Cellulose, Hemicellulose, and Lignin Contents on Composite Strength Properties Table 2 Flexural properties of composites with different fibre treatments.
Fibre treatments Alkalisation Alkalisation + acetylation Alkalisation + silanisation Strength (MPa) Stages of modulus (GPa) Strain at break (%) Strength (MPa) Stages of modulus (GPa) Strain at break (%) Strength (MPa) Stages of modulus (GPa) Strain at break (%) % NaOH α α 1 α 2 α 3 α α 1 α 2 α 3 α α 1 α 2 α 3 0 190.87 ± 1.92 12.56 ± 1.75 7.72 ± 0.33 5.33 ± 0.27 3.75 ± 0.41 3.56 ± 0.16 254.78 ± 16.35 18.64 ± 2.05 12.59 ± 1.28 8.15 ± 0.55 5.81 ± 0.35 3.19 ± 0.10 182.08 ± 10.15 10.88 ± 0.94 8.28 ± 0.73 5.90 ± 0.47 4.36 ± 0.26 2.84 ± 0.06 4 174.97 ± 17.27 11.83 ± 1.68 7.75 ± 0.65 5.27 ± 0.52 3.89 ± 0.24 3.26 ± 0.17 197.63 ± 3.59 13.80 ± 0.57 9.25 ± 0.66 5.86 ± 0.22 4.04 ± 0.23 2.97 ± 0.01 185.59 ± 2.67 11.26 ± 0.54 7.27 ± 1.24 5.16 ± 0.43 2.92 ± 0.28 3.21 ± 0.18 6 213.10 ± 11.64 14.34 ± 0.91 9.68 ± 0.73 6.79 ± 0.68 5.04 ± 0.25 2.92 ± 0.01 213.37 ± 8.82 15.04 ± 1.52 9.85 ± 0.64 6.58 ± 0.33 4.79 ± 0.60 2.87 ± 0.01 176.62 ± 8.08 13.63 ± 1.28 7.63 ± 0.51 5.51 ± 1.02 3.67 ± 0.37 3.14 ± 0.04 8 221.71 ± 14.28 14.64 ± 0.50 8.40 ± 0.09 4.97 ± 0.37 3.16 ± 0.23 3.35 ± 0.01 209.37 ± 6.48 15.27 ± 0.57 10.25 ± 1.00 6.67 ± 0.32 4.75 ± 0.39 3.14 ± 0.15 132.94 ± 2.87 8.57 ± 0.49 4.79 ± 0.45 3.43 ± 0.11 2.11 ± 0.16 3.99 ± 0.51 10 218.75 ± 6.37 10.83 ± 0.77 6.53 ± 0.24 4.09 ± 0.21 2.76 ± 0.28 4.32 ± 0.01 188.99 ± 19.95 11.47 ± 1.16 7.03 ± 0.58 4.90 ± 0.38 3.72 ± 0.29 3.67 ± 0.12 155.30 ± 6.01 10.78 ± 0.68 5.59 ± 0.33 3.68 ± 0.25 2.43 ± 0.28 4.23 ± 0.08