Table 4 Statistical parameters of yield stress for disc
Tension | Compression | ||
Mean (MPa.) | STD | Mean (MPa.) | STD |
 7.30 | 2.30 | 3.65 | 1.15 |
Yield Stress - Nucleus | |||
Tension | Compression | ||
Mean (MPa.) | STD | Mean (MPa.) | STD |
 0.260 | 0.0819 | 0.260 | 0.0819 |
Tension | Compression | ||
Mean (MPa.) | STD | Mean (MPa.) | STD |
 7.30 | 2.30 | 3.65 | 1.15 |
Yield Stress - Nucleus | |||
Tension | Compression | ||
Mean (MPa.) | STD | Mean (MPa.) | STD |
 0.260 | 0.0819 | 0.260 | 0.0819 |