6S50ME-B活塞头热负荷研究
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田健
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Thermal Load Analysis on 6S50ME-B Piston Crown
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Jian TIAN
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| 表1 15CrMo钢物理性能 |
| Tabla 1 Physical characteristics of 15CrMo |
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| 温度/℃ | 100 | 200 | 300 | 400 | 500 | 600 | 700 | | 热导率/(W·m-1·K-1) | -- | 46.1 | 43.5 | 40.6 | 38.1 | 35.6 | 33.4 | | 线膨胀系数/(10-6K-1) | 13.37 | 13.38 | 13.39 | 14.06 | 14.36 | 14.63 | 14.81 | | 弹性模量/GPa | 210 | 204 | 197 | 187 | 177 | -- | -- | | 泊松比 | 0.284 | | 密度/(kg·m-3) | 7880 | | 比热容/(J·kg-1·K-1) | 460 |
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