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Multimodal nanostructured titanium using severe plastic deformation

Wen, C., Yang, D. K., Li, Y. C. and Hodgson, P.D. 2011, Multimodal nanostructured titanium using severe plastic deformation, in ICHMM 2011 : Advances in heterogeneous material mechanics 2011 : proceedings of the Third International Conference on Heterogeneous Material Mechanics : May 22-26, 2011, Shanghai, China, Destech Publications, Lancaster, Pa., pp. 623-629.

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Title Multimodal nanostructured titanium using severe plastic deformation
Author(s) Wen, C.
Yang, D. K.
Li, Y. C.
Hodgson, P.D.
Conference name International Conference on Heterogeneous Material Mechanics (3rd : 2011 : Shanghai, China)
Conference location Shanghai, China
Conference dates 22-26 May 2011
Title of proceedings ICHMM 2011 : Advances in heterogeneous material mechanics 2011 : proceedings of the Third International Conference on Heterogeneous Material Mechanics : May 22-26, 2011, Shanghai, China
Editor(s) Fan, Jinghong
Zhang, Junquian
Chen, Haibo
Jin, Zhaohui
Publication date 2011
Conference series International Conference on Heterogeneous Material Mechanics
Start page 623
End page 629
Total pages 7
Publisher Destech Publications
Place of publication Lancaster, Pa.
Keyword(s) mechanical properties
titanium
multimodal microstructure
severe plastic deformation
Summary In the present study, multimodal nanostructured titanium was engineered using severe plastic deformation. The multimodal structured titanium exhibits an ultrahigh strength of over 940 MPa and a large failure elongation of 24%. The ultrahigh strength is mainly derived from the nanostructured structures; whilst the exceptional ductility originates from the large fraction of high angle grain boundaries, micro-scale structures, and the non-equilibrium grain boundary configuration. It is worth noting that apart from dislocation slip processes, the formation of deformation twins reduced the effective slip distance and increased the strain hardening capacity via the Hall-Petch mechanism, leading to high ductility of the multimodal structured titanium.
ISBN 9781605950549
Language eng
Field of Research 091207 Metals and Alloy Materials
090399 Biomedical Engineering not elsewhere classified
Socio Economic Objective 861206 Structural Metal Products
HERDC Research category E1 Full written paper - refereed
Persistent URL http://hdl.handle.net/10536/DRO/DU:30044845

Document type: Conference Paper
Collection: Centre for Material and Fibre Innovation
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