Nanoindentation hardness of banded Australian sedimentary opal

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dc.contributor.author Thomas, PS
dc.contributor.author Smallwood, AS
dc.contributor.author Ray, AS
dc.contributor.author Briscoe, BJ
dc.contributor.author Parsonage, D
dc.date.accessioned 2010-05-28T09:47:46Z
dc.date.issued 2008-04-07
dc.identifier.citation Journal of Physics D: Applied Physics, 2008, 41 (7)
dc.identifier.issn 0022-3727
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/9146
dc.description.abstract Nanoindentation hardness data in continuous stiffness mode are reported for banded potch and play of colour opals sourced from Lightning Ridge in New South Wales and Andamooka in South Australia. Despite the significant visible heterogeneities observed and the significant differences in origin and microstructures, as observed by SEM, and subtle differences in the elemental distributions between bands within specimens, little difference was observed in the mechanical properties. Specimens were found to be mechanically homogeneous and values of the hardness and moduli were found to be similar between samples. The creep behaviour of the specimens was also observed to be similar. It was concluded that the similarities in mechanical properties were due to the similarities in the silica morphology of the specimens, formed in similar geological environments, as differences in microstructure and trace element distribution were found not to significantly influence the observed bulk mechanical properties. © 2008 IOP Publishing Ltd.
dc.language eng
dc.relation.isbasedon 10.1088/0022-3727/41/7/074028
dc.title Nanoindentation hardness of banded Australian sedimentary opal
dc.type Journal Article
dc.parent Journal of Physics D: Applied Physics
dc.journal.volume 7
dc.journal.volume 41
dc.journal.number en_US
dc.journal.number 7 en_US
dc.publocation Bristol, UK en_US
dc.identifier.startpage 1 en_US
dc.identifier.endpage 6 en_US
dc.cauo.name SCI.Chemistry and Forensic Sciences en_US
dc.conference Verified OK en_US
dc.for 0912 Materials Engineering
dc.personcode 960405
dc.personcode 860311
dc.percentage 100 en_US
dc.classification.name Materials Engineering en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.location.activity en_US
pubs.embargo.period Not known
pubs.organisational-group /University of Technology Sydney
pubs.organisational-group /University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group /University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group /University of Technology Sydney/Faculty of Science
pubs.organisational-group /University of Technology Sydney/Strength - Built Infrastructure
pubs.organisational-group /University of Technology Sydney/Strength - Built Infrastructure
pubs.organisational-group /University of Technology Sydney/Strength - Management and Organisation Studies
pubs.organisational-group /University of Technology Sydney/Strength - Management and Organisation Studies
utslib.copyright.status Closed Access
utslib.copyright.date 2015-04-15 12:17:09.805752+10
pubs.consider-herdc true
utslib.collection.history Closed (ID: 3)


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