TABLE 4.
Mechanical properties for different fiber lengthsa.
| Fiber length (mm) | Flexural strength (MPa) |
Modulus (GPa) |
Yield strength (MPa) |
Strain (10-2) |
Resilience (kJ/m2) |
WOF (kJ/m2) |
SERIC (kJ/m2) |
%Load retained |
|---|---|---|---|---|---|---|---|---|
| 0 (zirconia silicate) | 117.6(5.5) | 19.5 (1.3) | 95.4 (14.6) | 0.79 (0.18) | 3.03 (0.99) | 4.48 (0.42) | 0.036 (0.024) | 0 (0) |
| 0.5 | 113.8 (22.7) | 23.0 (1.4) | 92.8 (9.48) | 0.62 (0.09) | 2.35 (0.57) | 3.91 (1.46) | 0.075 (0.05) | 0 (0) |
| 1.0 | 173.6 (26.0) | 26.2 (0.8) | 126.1 (13.0) | 0.84 (0.11) | 3.84 (0.70) | 8.70 (3.13) | 0.097 (0.054) | 0 (0) |
| 2.0 | 373.9 (29.9) | 34.0 (2.9) | 329.8 (47.8) | 1.34 (0.21) | 19.71 (4.21) | 28.19 (3.17) | 1.882 (1.005) | 43.3 (15.8) |
| 3.0 | 374.9 (11.9) | 31.5 (1.2) | 343.5 (37.1) | 1.31 (0.04) | 23.31 (5.35) | 30.11 (1.51) | 2.400 (0.534) | 70.3 (16.0) |
| 6.0 | 332.6 (55.3) | 31.2 (1.2) | 252.8 (47.0) | 1.25 (0.14) | 13.04 (5.02) | 25.35 (4.96) | 2.047 (0.347) | 76.3 (12.3) |
| 0 (Alert) | 90.4 (19.4) | 17.6 (4.9) | 62.3 (12.2) | 0.69 (0.05) | 1.52(0.54) | 3.23 (0.70) | 0.034 (0.032) | 0 (0) |
| 0 (polymer) | 81.2(27.6) | 3.5 (0.3) | 53.2 (7.8) | 2.5 (0.63) | 9.53 (6.53) | 16.19 (10.47) | 0.262 (0.119) | 0 (0) |
a
Values in parentheses indicate standard deviations.