Open Access
表1
模拟过程中的热力参数
| 参数 | GH4738 | 5CrNiMo |
| 密度/(kg·m-3) | 8 220 | 7 860 |
| 弹性模量/GPa | 117 | 198 |
| 泊松比 | 0.29 | 0.3 |
| 比热/(J·kg-1·(℃)-1) | 749 | 448 |
| 导热系数/(W·m-1·(℃)-1) | 30.7 | 33.5 |
| 温度/℃ | 1 080 | 300 |
| 环境温度/℃ | 20 | |
| 热交换系数/(W·m-1·(℃)-1) | 10 000 | |
| 对流系数/(W·m-1·(℃)-1) | 50 | |
| 表面辐射因数 | 0.25 | |
| 摩擦因数 | 0.8 |
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