Three-dimensional characterization of the permeability of W–Cu composites using a new “triBeam” technique

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dc.contributor.authorEchlin, MPen_AU
dc.contributor.authorMottura, Aen_AU
dc.contributor.authorWang, Men_AU
dc.contributor.authorMignone, PJen_AU
dc.contributor.authorRiley, DPen_AU
dc.contributor.authorFranks, GVen_AU
dc.contributor.authorPollock, TMen_AU
dc.date.accessioned2016-07-20T06:42:02Zen_AU
dc.date.available2016-07-20T06:42:02Zen_AU
dc.date.issued2014-02en_AU
dc.date.statistics2016-07-20en_AU
dc.description.abstractLarge three-dimensional microstructural datasets have been gathered for two W–Cu composites of 10 and 15 wt.% Cu using the TriBeam system via in situ femtosecond laser sectioning in a scanning electron microscope. Laser ablation was performed on W–Cu samples along a 90 ° edge, milling parallel with the imaging surface. Secondary electron images for 1000 two-dimensional slices were segmented into binary images representing Cu and W components using EM/MPM (expectation–maximization/maximization of the posterior marginals) image-processing algorithms. A statistically random volume sampling approach has been employed to evaluate the microstructural and property volume element sizes necessary for the assessment of volume fraction, surface-area to volume ratio and permeability, respectively. This approach also characterizes the mean values and variability in microstructure and properties for volume elements ranging from 10 μm to 160 μm on edge. The converged values of the volume fractions of Cu closely match experimental values measured by the Archimedes technique.© 2013 Acta Materialia Inc.en_AU
dc.identifier.citationEchlin, M. P., Mottura, A., Wang, M., Mignone, P. J., Riley, D. P., Franks, G. V., & Pollock, T. M. (2014). Three-dimensional characterization of the permeability of W–Cu composites using a new “triBeam” technique. Acta Materialia, 64(0), 307-315. doi:10.1016/j.actamat.2013.10.043en_AU
dc.identifier.govdoc6859en_AU
dc.identifier.issn1359-6454en_AU
dc.identifier.journaltitleActa Materialiaen_AU
dc.identifier.pagination307-315en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.actamat.2013.10.043en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/7197en_AU
dc.identifier.volume64en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectMicrostructureen_AU
dc.subjectElectron microscopesen_AU
dc.subjectAlgorithmsen_AU
dc.subjectLasersen_AU
dc.subjectImagesen_AU
dc.subjectDatasetsen_AU
dc.titleThree-dimensional characterization of the permeability of W–Cu composites using a new “triBeam” techniqueen_AU
dc.typeJournal Articleen_AU
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