Title: Microstructure, texture and mechanical properties of AZ31 Mg alloy produced by equal channel angular extrusion
Authors: Vuong, L. ×
Jiang, L.
Jonas, J.J.
Godet, S.
Verlinden, Bert
Van Houtte, Paul #
Issue Date: Oct-2008
Publisher: Metallurgical soc-c i m
Series Title: Canadian metallurgical quarterly vol:47 issue:4 pages:437-448
Abstract: Equal channel angular pressing (ECAP) was carried out on samples machined from extruded AZ31 Mg alloy bars at 200, 250 and 300 degrees C using routes A and C for up to 8 passes. After one ECAP pass, a preferred orientation with the basal planes inclined at 45 degrees to the ECAP axis is observed. For route A, as more passes are employed, the original fiber texture tends towards a rolling texture. By contrast, for route C, repeating the ECAP steps does not change the texture, which retains the 45 degrees preferential orientation. Using a path with shearing in more directions, such as route C, resulted in the flow Curve peak being less sharp (i.e. broader) in subsequent testing than when route A was employed. The strength of the extruded product increases with the ECAP temperature. This appears to be due to the coarser grain size of the 300 degrees C product and indicates that the effect of grain coarsening is greater than that of texture.
ISSN: 0008-4433
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Department of Materials Engineering - miscellaneous
Physical Metallurgy and Materials Engineering Section (-)
Mechanical Metallurgy Section (-)
× corresponding author
# (joint) last author

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