| 试验温度/℃ | 糙化方式 | 30˚剪切强度/MPa | 45˚剪切强度/MPa |
| 25 | 铣刨 | 1.95 | 1.47 |
| 抛丸 | 1.76 | 1.34 | |
| 刻槽 | 1.36 | 1.02 | |
| 45 | 铣刨 | 1.65 | 0.41 |
| 抛丸 | 1.43 | 0.35 | |
| 刻槽 | 1.14 | 0.32 |