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通过对轧辊热状态和弹塑性变形情况的研究，利用热力学理论对其进行单元分析，得出了一种评估轧辊疲劳破坏的方法。
Through the research on the hot state and the elasto-plastic deformation of the roll, this paper uses the thermodynamics theory to carry on the unit analysis and obtains a method to evaluate the fatigue failure of the roll.