采用实验与模型计算相结合的方法,对Q235钢的杨氏弹性模量进行了研究,通过Gleeble 1500热模拟机对700～1400℃温度区间的杨氏弹性模量进行了测量,每100℃取1个测量值,通过拟舍得到连续曲线;1400℃至零强度温度(ZST)使用Tszeng模型计算,体现液相区的真实力学行为.将得到的杨氏模量结果运用于连铸二冷段的热力耦合模拟,得到的结果与实测结果一致.
参考文献
| [1] | Kristiansson J O .Thermal stresses in the early stage of solidification of steel[J].Journal of Thermal Stresses,1982,5:315. |
| [2] | Friedman E .Thermomechanical analysis of the welding process using the finite element method[J].Journal of Pressure Vessel Technology,1975,8:20. |
| [3] | Tszeng T C;Kobayashi S .Stress analysis in solidification processes:Application to continuous casting[J].International Journal of Machine Tools and Manufacture,1989,29(01):121. |
| [4] | Sumio Kobayashi;Tsuneaki Nagamichi;Koki Gunji .Numerical analysis of solute redistribution during solidification accompanying δ/γ transformation[J].Transactions of the Iron and Steel Institute of Japan,1988,28:543. |
| [5] | 陈素琼 .连铸工艺流程中的钢液凝固成形区段的研究[D].北京:钢铁研究总院,2004. |
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