The effect of ageing on the compressive deformation of Mg-Sn-Zn-Na alloy

Motlagh, Ehsan Bahrami, Ghaderi, Alireza, Kada, Sitarama Raju, Lynch, Peter A. and Barnett, Matthew R. 2016, The effect of ageing on the compressive deformation of Mg-Sn-Zn-Na alloy, in Magnesium Technology 2016 : Proceedings of a Symposium held during TMS2016 145th Annual Meeting & Exhibition, John Wiley & Sons, Hoboken, N.J., pp. 93-96.

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Title The effect of ageing on the compressive deformation of Mg-Sn-Zn-Na alloy
Author(s) Motlagh, Ehsan Bahrami
Ghaderi, AlirezaORCID iD for Ghaderi, Alireza orcid.org/0000-0002-6774-9302
Kada, Sitarama RajuORCID iD for Kada, Sitarama Raju orcid.org/0000-0002-4023-1562
Lynch, Peter A.
Barnett, Matthew R.ORCID iD for Barnett, Matthew R. orcid.org/0000-0001-8287-9044
Conference name Magnesium Technology. Symposium (2016 : Nashville, Tennessee)
Conference location Nashville, Tennessee
Conference dates 2016/02/14 - 2016/02/18
Title of proceedings Magnesium Technology 2016 : Proceedings of a Symposium held during TMS2016 145th Annual Meeting & Exhibition
Editor(s) Singh, Alok
Solanki, Kiran
Manuel, Michele V.
Neelameggham, Neale R.
Publication date 2016
Series Magnesium Technology 2016
Start page 93
End page 96
Total pages 4
Publisher John Wiley & Sons
Place of publication Hoboken, N.J.
Keyword(s) precipitates
twinning
synchrotron
x-ray diffraction
Summary The influence of ageing on deformation twinning in an extruded Mg-6Sn-3Zn-0.04Na alloy is investigated. In-situ compression tests have been carried out using high resolution synchrotron X-Ray Diffraction (XRD) to measure the influence of precipitates on twining activity. Synchrotron experiments revealed the increase in the critical resolved shear stress of twinning with ageing. The compressive yield strength (along the extrusion direction) of the aged sample increased by ∼ 150% over the non-aged specimen. To obtain statistical insight into the twinning activity, the microstructure of the non-aged and aged samples (200°C, 24 hours) deformed up to ∼1% plastic strain was studied using optical microscopy. A higher number of thinner twins were observed in the microstructure of the aged sample compared to the non-aged sample.
ISBN 9781119225805
ISSN 1545-4150
Language eng
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category E1 Full written paper - refereed
ERA Research output type E Conference publication
Copyright notice ©2016, The Minerals, Metals & Materials Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30084948

Document type: Conference Paper
Collections: Institute for Frontier Materials
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