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    穿孔過程中頂頭的三維熱力耦合分析

    Analys is of 3D Thermal Coupling of Piercing Plug During Operation

    • 摘要: 應(yīng)用大型非線性有限元分析軟件對頂頭在實心圓管坯二輥斜軋穿孔過程中的受力狀態(tài)進行了三維熱力耦合模擬。重點研究了熱力耦合情況下表面應(yīng)力分布模型,同時也對頂頭的失效機理、材料模型、傳熱邊界條件等進行了分析。模擬結(jié)果和實驗結(jié)果相吻合。

       

      Abstract: With a large-scale non-linear FE analysis software,a 3D thermal coupling simulation of the loading state of the two-high rotary piercer plug during piercing the round billet is conducted,focusing on the model of surface stress distribution under thermal coupling condition and also covering analyses of other facets concerning the plug such as failure mechanism,material model and thermal transmission boundary conditions,etc.The result of the said simulation is in compliance with that of relevant experiment.

       

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