应用上限法对双金属复合带材冷轧时厚度、速度变化与轧制力、能量间的关系进行了分析讨论，建立了复合带材冷轧塑性变形行为的数学模型，在此基础上给出了复合带材的强度计算公式。应用这些公式对铝钢复合带材的强度进行了计算，计算结果与试验结果吻合较好。
The effects of total thickness reduction on the rolling power, rolling force, thickness reductions of each layer, and bonding strength of bimetal strip are discussed. A mathematical model of the plastic deformation and bonding strength for cold rolling of twolayer strip is proposed using the upper bound theorem. Furthermore, experiments on twolayer strip rolling are conducted by employing aluminumtin alloy and soft steel as the layers of the twolayer strips. It is found that all of theoretical predictions are in good agreement with the experimental measurements.
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