Table 4.
Mechanical properties of b-UPR composites.
| Sample | SiO2 Amount (wt.%) | σm (MPa) | E (GPa) | ε (%) |
|---|---|---|---|---|
| b-UPR | - | 25.5 ± 1.11 | 0.276 ±0.013 | 5.90 ± 0.25 |
| b-UPR/SiO2 | 1 | 28.7 ± 1.33 | 0.316 ± 0.015 | 5.58 ± 0.18 |
| b-UPR/SiO2-AMBD | 1 | 34.3 ± 1.54 | 0.345 ± 0.016 | 5.35 ± 0.24 |
| b-UPR/SiO2-M | 1 | 38.4 ± 1.77 | 0.351 ± 0.018 | 5.22 ± 0.21 |
| b-UPR/SiO2-V | 1 | 43.6 ± 1.97 | 0.412 ± 0.019 | 4.57 ± 0.16 |
| b-UPR/SiO2 | 2.5 | 32.1 ± 1.41 | 0.412 ± 0.020 | 5.41 ± 0.18 |
| b-UPR/SiO2-AMBD | 2.5 | 39.8 ± 1.69 | 0.490 ± 0.024 | 4.97 ± 0.26 |
| b-UPR/SiO2-M | 2.5 | 40.1 ±1.82 | 0.558 ± 0.027 | 4.81 ± 0.23 |
| b-UPR/SiO2-V | 2.5 | 47.9 ±2.18 | 0.607 ± 0.029 | 4.02 ± 0.21 |
| b-UPR/SiO2 | 5 | 28.2 ±1.35 | 0.285 ± 0.014 | 5.56 ± 0.12 |
| b-UPR/SiO2-AMBD | 5 | 27.0 ± 1.31 | 0.316 ± 0.015 | 5.78 ± 0.22 |
| b-UPR/SiO2-M | 5 | 38.9 ± 1.82 | 0.394 ± 0.019 | 5.06 ± 0.19 |
| b-UPR/SiO2-V | 5 | 41.7 ± 1.91 | 0.378 ± 0.018 | 4.73 ± 0.23 |
σm—tensile strength, E—Young’s modulus, and ε—deformation.