Abstract
A new linear yield criterion expressed by the geometric midline of error triangle between Tresca and Twin shear stress yield loci on the π-plane in Haigh-Westergaard space was introduced. The criterion was written in terms of the values of principal stress deviator and called GM yield criterion for short. Together with a Cartesian coordinate velocity field instead of the Avitzur’s, the GM criterion was used to obtain an analytical solution for strip drawing. With a working example of the strip drawing through wedge-shaped die, the results of relative drawing stress calculated by the GM criterion were compared with those calculated by Mises’ criterion from Avitzur formula. It indicated that the calculated results according to analytical solution were in good agreement with the numerical solution obtained from Avitzur formula.
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Foundation Item: Item Sponsored by National Natural Science Foundation of China (50474015)
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Wang, Gj., Du, Hj., Zhao, Dw. et al. Application of geometric midline yield criterion for strip drawing. J. Iron Steel Res. Int. 16, 13–16 (2009). https://doi.org/10.1016/S1006-706X(10)60020-9
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DOI: https://doi.org/10.1016/S1006-706X(10)60020-9