FE‐Simulation based analysis of residual stresses and strain localizations in ECAP processing | Zendy

Horn Tobias | Zendy; Silbermann Christian | Zendy; Ihlemann Jörn | Zendy

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FE‐Simulation based analysis of residual stresses and strain localizations in ECAP processing

Author(s) -

Horn Tobias,

Silbermann Christian,

Ihlemann Jörn

Publication year - 2017

Publication title -

pamm

Language(s) - English

Resource type - Journals

ISSN - 1617-7061

DOI - 10.1002/pamm.201710124

Subject(s) - materials science , pressing , residual stress , finite element method , von mises yield criterion , shear stress , matrix (chemical analysis) , tensor (intrinsic definition) , strain (injury) , composite material , shear (geology) , residual , stress–strain curve , structural engineering , deformation (meteorology) , metallurgy , geometry , mathematics , engineering , algorithm , anatomy , medicine

Equal Channel Angular Pressing (ECAP) is a method to introduce severe plastic deformation into a metal billet without changing it's profile. In special cases the strain localizes and so‐called shear and matrix bands are induced. These localizations are simulated and analyzed with respect to the residual stresses by using the finite element method. We found that in contrast to the components of the stress tensor, only a small difference in the von‐Mises stress between shear and matrix bands occurs. (© 2017 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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