Measurement and analysis of the stress distribution during die compaction using neutron diffraction

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dc.contributor.authorWensrich, CMen_AU
dc.contributor.authorKisi, EHen_AU
dc.contributor.authorZhang, JFen_AU
dc.contributor.authorKirstein, Oen_AU
dc.date.accessioned2014-04-11T06:48:39Zen_AU
dc.date.available2014-04-11T06:48:39Zen_AU
dc.date.issued2012-11-01en_AU
dc.date.statistics2014-04-11en_AU
dc.description.abstractThe full axisymmetric stress state of a granular material undergoing compaction in a cylindrical die has been measured using a technique based on neutron powder diffraction. This technique allowed the detailed distribution of stress to be measured in situ, deep within a copper powder inside a solid die. Four components of normal strain were measured over a radial cross section. These components consisted of the axial, radial, hoop and an off-axis strain in the axial-radial direction. This allowed for the reconstruction of the full axisymmetric stress tensor as a distribution over the radial cross section. Many interesting features were observed in this distribution, such as exponential decay of the axial stress (described by Janssen in Zeitschrift des Vereines duetscher Ingenieure 39:1045, 1895), and highly localised regions of high shear stress. The potential of this type of data in the validation of numerical models is discussed. © 2012, Springer.en_AU
dc.identifier.citationWensrich, C. M., Kisi, E. H., Zhang, J. F., & Kirstein, O. (2012). Measurement and analysis of the stress distribution during die compaction using neutron diffraction. Granular Matter, 14(6), 671-680. doi:10.1007/s10035-012-0366-8en_AU
dc.identifier.govdoc4769en_AU
dc.identifier.issn1434-5021en_AU
dc.identifier.issue6en_AU
dc.identifier.journaltitleGranular Matteren_AU
dc.identifier.pagination671-680en_AU
dc.identifier.urihttp://dx.doi.org/10.1007/s10035-012-0366-8en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/5427en_AU
dc.identifier.volume14en_AU
dc.language.isoenen_AU
dc.publisherSpringeren_AU
dc.subjectGranular materialsen_AU
dc.subjectCompactsen_AU
dc.subjectPowdersen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectSimulationen_AU
dc.subjectBehavioren_AU
dc.titleMeasurement and analysis of the stress distribution during die compaction using neutron diffractionen_AU
dc.typeJournal Articleen_AU
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