A modified Hall-Petch relationship in ultrafine-grained titanium recycled from chips by equal channel angular pressing

Luo, P., McDonald, D.T., Xu, W., Palanisamy, S., Dargusch, M.S. and Xia, K. (2012) A modified Hall-Petch relationship in ultrafine-grained titanium recycled from chips by equal channel angular pressing. Scripta Materialia, 66 10: 785-788.


Author Luo, P.
McDonald, D.T.
Xu, W.
Palanisamy, S.
Dargusch, M.S.
Xia, K.
Title A modified Hall-Petch relationship in ultrafine-grained titanium recycled from chips by equal channel angular pressing
Journal name Scripta Materialia   Check publisher's open access policy
ISSN 1359-6462
1872-8456
Publication date 2012-05
Sub-type Article (original research)
DOI 10.1016/j.scriptamat.2012.02.008
Volume 66
Issue 10
Start page 785
End page 788
Total pages 4
Place of publication Oxford, United Kingdom
Publisher Pergamon
Collection year 2013
Language eng
Abstract Equal channel angular pressing was used to consolidate commercially pure titanium chips into fully dense bulk material with high strength (up to 650 MPa), due to an ultrafine grain size as low as 0.8 μm, and good ductility (∼16%). Electron backscattered diffraction was employed to reveal low-angle grain boundaries (LAGBs), enabling a modified Hall-Petch relationship to be analyzed in consideration of strengthening contributions from LAGBs in particular, but also interstitial solutes, high-angle grain boundaries and potential oxide dispersion.
Keyword Titanium
Equal channel angular pressing (ECAP)
Recycling
Hall-Petch relationship
Severe Plastic-Deformation
Refinement
Strength
Temperatures
Ti
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Available online 11 February 2012.

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mechanical & Mining Engineering Publications
Official 2013 Collection
 
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