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Table 1 Results of the fracture toughness
From: Effect of real-time high temperature and loading rate on mode I fracture toughness of granite
temperature (℃) | Loading rate (mm/min) | Average fracture toughness (MPa·m1/2) | Standard deviation (MPa·m1/2) |
|---|---|---|---|
25 | 0.1 | 1.513 | 0.070 |
0.01 | 1.449 | 0.015 | |
0.001 | 1.420 | 0.029 | |
100 | 0.1 | 1.313 | 0.102 |
0.01 | 1.220 | 0.037 | |
0.001 | 1.191 | 0.069 | |
200 | 0.1 | 1.177 | 0.058 |
0.01 | 1.095 | 0.056 | |
0.001 | 1.113 | 0.101 | |
300 | 0.1 | 1.025 | 0.104 |
0.01 | 0.908 | 0.063 | |
0.001 | 1.094 | 0.038 | |
400 | 0.1 | 0.991 | 0.016 |
0.01 | 0.906 | 0.072 | |
0.001 | 1.002 | 0.017 | |
500 | 0.1 | 0.755 | 0.018 |
0.01 | 0.792 | 0.089 | |
0.001 | 1.074 | 0.023 |