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Interaction between propagating twins and non-shearable precipitates in magnesium alloys
conference contribution
posted on 2018-01-01, 00:00 authored by Matthew BarnettMatthew Barnett, Huan WangThe impact of non-shearable particles on the stress required to propagate a twin is examined using numerical and analytical techniques. Of particular note is the nature of this effect in magnesium alloys where twinning can count for a significant fraction of the plastic strain. Dislocation Dynamics simulations are employed to calculate the Orowan bypass stress. It is seen that the stress for bypass can exceed that for a single twinning dislocation but under some circumstances it may be similar. The conditions that give rise to different regimes of behaviour are mentioned and the significance for magnesium alloy design is described.
History
Event
Minerals, Metals & Materials Society. Symposium (147th : 2018 : Phoenix, Ariz.)Series
Minerals, Metals & Materials Society SymposiumPagination
365 - 367Publisher
SpringerLocation
Phoenix, Ariz.Place of publication
Cham, SwitzerlandPublisher DOI
Start date
2018-03-11End date
2018-03-15ISSN
2367-1181eISSN
2367-1696ISBN-13
9783319723310Language
engPublication classification
E1 Full written paper - refereedCopyright notice
2018, The Minerals, Metals & Materials SocietyEditor/Contributor(s)
D Orlov, V Joshi, K Solanki, N NeelamegghamTitle of proceedings
TMS 2018 : Proceedings of the Magnesium Technology Symposium - 147th TMS Annual Meeting & ExhibitionUsage metrics
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