This paper presents a review of research conducted at the University of Wateloo concerned with the application of aluminum alloy sheet and tube in automotive structures and body paneels. The research has focussed on formability prediction and results using a range of damage-based formulations. These models include continuum-level damage approaches and, more recently, a so-called percolation damage approach intended to capture microstructural heterogeneity effects on damage development. This paper presents applications of these damage approaches to simulate formability of experiments considering stretch flange panels. The experiments consider drawbead effects associated with the bend/unbend deformation as the material flows through the drawbed. Recent work on simulating 'in situ' X-ray tomography experiments that capture damage evolution during tensile deformation will also reviewed.
Simulation and formability of automotive aluminum alloy sheet and tube
Simulation und Formbarkeit von Blechen und Rohren aus Aluminium für die Automobilindustrie
2006
19 Seiten, 13 Bilder, 33 Quellen
Conference paper
English
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