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Analysis of surface roughening in AA6111 automotive sheet
The finite element method is used to numerically simulate the topographic development in an aluminium sheet, AA6111, under stretching. The measured electron backscatter diffraction (EBSD) data are directly incorporated into the finite element model and the constitutive response at an integration poi...
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Published in: | Acta materialia 2004-04, Vol.52 (7), p.1785-1798 |
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container_end_page | 1798 |
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container_title | Acta materialia |
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creator | Wu, P.D. Lloyd, D.J. |
description | The finite element method is used to numerically simulate the topographic development in an aluminium sheet, AA6111, under stretching. The measured electron backscatter diffraction (EBSD) data are directly incorporated into the finite element model and the constitutive response at an integration point is described by the single crystal plasticity theory. The effect on surface roughening of sample geometry, strain rate sensitivity, work hardening, imposed deformation path, as well as the EBSD step size, spatial orientation distribution and inhomogeneous deformation within individual grains are discussed. It is concluded that surface roughening is controlled by the spatial distribution of grain orientations through the thickness of the specimen. |
doi_str_mv | 10.1016/j.actamat.2003.12.039 |
format | article |
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The measured electron backscatter diffraction (EBSD) data are directly incorporated into the finite element model and the constitutive response at an integration point is described by the single crystal plasticity theory. The effect on surface roughening of sample geometry, strain rate sensitivity, work hardening, imposed deformation path, as well as the EBSD step size, spatial orientation distribution and inhomogeneous deformation within individual grains are discussed. It is concluded that surface roughening is controlled by the spatial distribution of grain orientations through the thickness of the specimen.</description><identifier>ISSN: 1359-6454</identifier><identifier>EISSN: 1873-2453</identifier><identifier>DOI: 10.1016/j.actamat.2003.12.039</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Aluminum alloys ; Applications ; Applied sciences ; Automotive engineering ; Contact of materials. Friction. Wear ; Crystal plasticity ; EBSD ; Engineering techniques in metallurgy. Applications. Other aspects ; Exact sciences and technology ; Finite element analysis ; Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology ; Metals. 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The measured electron backscatter diffraction (EBSD) data are directly incorporated into the finite element model and the constitutive response at an integration point is described by the single crystal plasticity theory. The effect on surface roughening of sample geometry, strain rate sensitivity, work hardening, imposed deformation path, as well as the EBSD step size, spatial orientation distribution and inhomogeneous deformation within individual grains are discussed. It is concluded that surface roughening is controlled by the spatial distribution of grain orientations through the thickness of the specimen.</description><subject>Aluminum alloys</subject><subject>Applications</subject><subject>Applied sciences</subject><subject>Automotive engineering</subject><subject>Contact of materials. Friction. Wear</subject><subject>Crystal plasticity</subject><subject>EBSD</subject><subject>Engineering techniques in metallurgy. Applications. Other aspects</subject><subject>Exact sciences and technology</subject><subject>Finite element analysis</subject><subject>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</subject><subject>Metals. 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subjects | Aluminum alloys Applications Applied sciences Automotive engineering Contact of materials. Friction. Wear Crystal plasticity EBSD Engineering techniques in metallurgy. Applications. Other aspects Exact sciences and technology Finite element analysis Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy Surface |
title | Analysis of surface roughening in AA6111 automotive sheet |
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