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Mass and density of composites during accelerated ageing under UV conditions or water
| Before accelerated ageing | After 6 months of accelerated ageing under UV | After 6 months of accelerated ageing under water | ||||
|---|---|---|---|---|---|---|
| Sample 1 | Sample 2 | Sample 1 | Sample 2 | Sample 1 | Sample 2 | |
| Mass [g] | 2.84 ± 0.02 | 2.81 ± 0.02 | 2.87 ± 0.02 | 2.84 ± 0.02 | 2.86 ± 0.02 | 2.81 ± 0.02 |
| Density [g/cm3] | 1.49 ± 0.02 | 1.49 ± 0.02 | 1.51 ± 0.02 | 1.53 ± 0.02 | 1.52 ± 0.02 | 1.53 ± 0.02 |
5% (T5) and 50% (T50) temperature-induced mass loss of samples
| Before accelerated ageing | After 6 months of accelerated ageing under UV | After 6 months of accelerated ageing under water | ||||
|---|---|---|---|---|---|---|
| Sample 1 | Sample 2 | Sample 1 | Sample 2 | Sample 1 | Sample 2 | |
| T5% | 218 ± 27°C | 297 ± 19°C | 327 ± 21°C | 298 ± 15°C | 314 ± 22°C | 287 ± 17°C |
| T50% | 593 ± 41°C | 675 ± 37°C | 659 ± 28°C | 674 ± 42°C | 653 ± 33°C | 652 ± 39°C |
Mechanical parameters of composites before and after accelerated ageing
| Before accelerated ageing | After 6 months of accelerated ageing under UV | After 6 months of accelerated ageing under water | ||||
|---|---|---|---|---|---|---|
| Sample 1 | Sample 2 | Sample 1 | Sample 2 | Sample 1 | Sample 2 | |
| Compressive strength (MPa) | 651.2 ± 35.4 | 591.9 ± 69.2 | 542.2 ± 42.5 | 483.5 ± 70.9 | 468.8 ± 88.5 | 308.6 ± 121.1 |
| Flexural strength (MPa) | 966.1 ± 25.7 | 943.4 ± 27.4 | 870.6 ± 27.7 | 948.3 ± 39.6 | 902.2 ± 45.7 | 688.4 ± 36.2 |
| Flexural modulus (GPa) | 57.2 ± 1.3 | 60.3 ± 1.8 | 55.0 ± 1.7 | 55.7 ± 4.1 | 55.0 ± 1.2 | 57.6 ± 1.0 |