Table 2.
The starting and ending temperatures of slope change under different tensile stress.
| Tensile Stress | 0 MPa | 20 MPa | 40 MPa |
|---|---|---|---|
| Starting temperature (Stage II) | 238 °C | 257 °C | 276 °C |
| Ending temperature (Stage III) | 474 °C | 421 °C | 418 °C |
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