Table 4.
Maximum WS (mean ± standard deviation; number of specimens per group n = 5) values (Wmax; plateau values reached at ≥ 400 h of immersion in saline solutions) and the corresponding diffusion coefficient, D, calculated from the early time WS data according to equation 3.
| Material Group | Wmax (mass fraction %) | D (cm2 s−1) |
|---|---|---|
| BTHM copolymer | 4.4 ± 0.1 | 9.6 × 10−8 |
| BTHM30 ACP composite | 13.4 ± 0.7 | 7.7 × 10−8 |
| BTHM35 ACP composite | 14.4 ± 0.6 | 7.1 × 10−8 |
| BTHM40 ACP composite | 13.2 ± 0.8 | 8.0 × 10−8 |
| BTHM30 glass OX50/ZrO2 composite | 2.9 ± 0.3 | 2.8 × 10−8 |
| BTHM35 glass OX50/ZrO2 composite | 2.9 ± 0.3 | 3.5 × 10−8 |
| BTHM40 glass OX50/ZrO2 composite | 3.0 ± 0.2 | 4.4 × 10−8 |
| ETHM copolymer | 2.0 ± 0.3 | 9.4 × 10−8 |
| ETHM30 ACP composite | 8.6 ± 0.4 | 7.0 × 10−8 |
| ETHM35 ACP composite | 9.8 ± 0.6 | 6.8 × 10−8 |
| ETHM40 ACP composite | 9.1 ± 0.5 | 7.4 × 10−8 |
| ETHM30 glass OX50/ZrO2 composite | 1.4 ± 0.4 | 3.8 × 10−8 |
| ETHM35 glass OX50/ZrO2 composite | 1.2 ± 0.4 | 5.2 × 10−8 |
| ETHM40 glass OX50/ZrO2 composite | 1.4 ± 0.2 | 3.3 × 10−8 |