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Effect of Zn concentration and grain size on prismatic slip in Mg-Zn binary alloys

conference contribution
posted on 2012-01-01, 00:00 authored by N Stanford, Matthew BarnettMatthew Barnett
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.

History

Event

Minerals, Metals and Materials Society. Meeting (141st : 2012 : Orlando, Florida)

Pagination

207 - 211

Publisher

TMS

Location

[Orlando, Fl.]

Place of publication

[Orlando, Fl.]

Start date

2012-03-11

End date

2012-03-15

ISSN

1545-4150

ISBN-13

9781118359228

ISBN-10

1118359224

Language

eng

Publication classification

E1 Full written paper - refereed

Copyright notice

2012, Minerals, Metals & Materials Society

Editor/Contributor(s)

S Mathaudhu, W Sillekens, N Neelameggham, N Hort

Title of proceedings

Magnesium technology 2012 : Proceedings of a symposium sponsored by the Magnesium Committee of the Light Metals Division of The Minerals, Metals & Materials Society (TMS)

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