By A. Erman Tekkaya, Werner Homberg, Alexander Brosius
60 novel techniques in steel forming are awarded and defined intimately. Contributions from said foreign scientists representing the state-of-art in steel forming open a basic view on fresh effects and a transparent view on calls for for brand spanking new examine initiatives.
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Additional resources for 60 Excellent Inventions in Metal Forming
J. Plasticity 22, 1171–1194. 11. , 2014. Enhancements of homogenous anisotropic hardening model and application to mild and dual-phase steels. Int. J. Plasticity 58, 201–218. BBC2005 Yield Criterion Used in the Numerical Simulation of Sheet Metal Forming Processes Dorel Banabic and Dan-Sorin Comsa 1 Motivation Many researchers have been involved in the development of more accurate yield criteria during the last four decades . The performances of such models are closely related to the flexibility of their mathematical formulation.
Moreover, the stress invariants must be, somehow, modified in a consistent manner. Although many theories of plastic anisotropy are available, the approach based on linear transformation of the stress tensor (or deviator) is considered here. This approach allows any isotropic yield function expressed with the principal stresses as invariants to be extended to anisotropy while preserving its property of convexity and homogeneity. 4) sQij D Cijkl skl : C is a fourth order tensor, which contains the anisotropy coefficients and accounts for the macroscopic symmetries of the material.
Int. J. Plasticity 5, 51–66. 7. , 2005. Linear transformation-based anisotropic yield functions. Int. J. Plasticity 21, 1009–1039. 8. , 2015. Parameter reduction for the Yld2004-18p yield criterion. Int. J. 1007/s12289-0151221-3. 9. , 2010. Advances in Anisotropy and Formability. Int. J. Material Forming 3, 165–189. 10. , 2006. Orthotropic yield criterion for hexagonal close packed metals. Int. J. Plasticity 22, 1171–1194. 11. , 2014. Enhancements of homogenous anisotropic hardening model and application to mild and dual-phase steels.
60 Excellent Inventions in Metal Forming by A. Erman Tekkaya, Werner Homberg, Alexander Brosius