Abstract
Using the twin shear stress yield criterion, the surface integral of the co-line vectors, and the integration depending on upper limit, Kobayashi’s three-dimensional velocity field of rolling was analyzed and an analytical expression of rolling torque and single force was obtained. Through redoing the same experiment of rolling pure lead as Sims, the calculated results by the above expression were compared with those of Kobayashi and Sims formulae. The results show that the twin shear stress yield criterion is available for rolling analysis and the calculated results by the new formula are a little higher than those by Kobayashi and Sims ones if the reduction ratio is less than 30%.
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References
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Foundation Item: Item Sponsored by National Natural Science Foundation of China (50474015)
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Zhao, Dw., Xie, Yj., Liu, Xh. et al. Three-Dimensional Analysis of Rolling by Twin Shear Stress Yield Criterion. J. Iron Steel Res. Int. 13, 21–26 (2006). https://doi.org/10.1016/S1006-706X(06)60104-0
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DOI: https://doi.org/10.1016/S1006-706X(06)60104-0