Effect of Zn concentration and grain size on prismatic slip in Mg-Zn binary alloys
Date
2012
Authors
Stanford, N.
Barnett, M.R.
Editors
Mathaudhu, S.N.
Sillekens, W.H.
Hort, N.R.
Sillekens, W.H.
Hort, N.R.
Advisors
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Conference paper
Citation
Magnesium Technology -Symposium-, 2012 / Mathaudhu, S.N., Sillekens, W.H., Hort, N.R. (ed./s), pp.207-211
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Conference Name
Magnesium technology 2012 - TMS 2012 annual meeting and exhibition (11 Mar 2012 - 15 Mar 2012 : Orlando, United States)
Abstract
Mg-Zn binary alloys with concentrations between 0 and 2.8wt% Zn have been prepared and processed via hot rolling and annealing to produce specimens with a strong basal texture and a range of grain sizes. These have been deformed in tension, a condition in which the deformation is dominated by prismatic slip. This data has been used to assess the Hall-Petch parameter as a function of Zn concentration for deformation dominated by prismatic slip. Pure magnesium showed non-linear Hall-Petch behaviour at large grain sizes, and this is compared to the values for prismatic slip measured on single crystals. The differences between critical resolved shear stress measurements made through single crystal, polycrystal and mathematical modelling techniques are also discussed.
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Copyright 2012 John Wiley and Sons