Standard method for microCT-based additive manufacturing quality control 2 : density measurement

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dc.contributor.authorDu Plessis, Antonen_ZA
dc.contributor.authorSperling, Philipen_ZA
dc.contributor.authorBeerlink, Andreen_ZA
dc.contributor.authorTshabalala, Leratoen_ZA
dc.contributor.authorHoosain, Shaiken_ZA
dc.contributor.authorMathe, Ntombien_ZA
dc.contributor.authorLe Roux, Stephan G.en_ZA
dc.date.accessioned2019-10-17T13:34:15Z
dc.date.available2019-10-17T13:34:15Z
dc.date.issued2018
dc.descriptionCITATION: Du Plessis, A., et al. 2018. Standard method for microCT-based additive manufacturing quality control 2 : density measurement. MethodsX, 5:1117-1123, doi:10.1016/j.mex.2018.09.006.
dc.descriptionThe original publication is available at https://www.sciencedirect.com
dc.description.abstractENGLISH ABSTRACT: MicroCT is best known for its ability to detect and quantify porosity or defects, and to visualize its 3D distribution. However, it is also possible to obtain accurate volumetric measurements from parts – this can be used in combination with the part mass to provide a good measure of its average density. The advantage of this density-measurement method is the ability to combine the density measurement with visualization and other microCT analyses of the same sample. These other analyses may include detailed porosity or void analysis (size and distribution) and roughness assessment, obtainable with the same scan data. Simple imaging of the interior of the sample allows the detection of unconsolidated powder, open porosity to the surface or the presence of inclusions. The CT density method presented here makes use of a 10 mm cube sample and a simple data analysis workflow, facilitating standardization of the method. A laboratory microCT scanner is required at 15 μm voxel size, suitable software to allow sub-voxel precise edge determination of the scanned sample and hence an accurate total volume measurement, and a scale with accuracy to 3 digits.en_ZA
dc.description.urihttps://www.sciencedirect.com/science/article/pii/S2215016118301481
dc.description.versionPublisher's version
dc.format.extent7 pagesen_ZA
dc.identifier.citationDu Plessis, A., et al. 2018. Standard method for microCT-based additive manufacturing quality control 2 : density measurement. MethodsX, 5:1117-1123, doi:10.1016/j.mex.2018.09.006
dc.identifier.issn2215-0161 (online)
dc.identifier.otherdoi:10.1016/j.mex.2018.09.006
dc.identifier.urihttp://hdl.handle.net/10019.1/106663
dc.language.isoen_ZAen_ZA
dc.publisherElsevier
dc.rights.holderAuthors retain copyright
dc.subjectAdditive manufacturingen_ZA
dc.subjectX-ray diffraction imagingen_ZA
dc.subjectNondestructive testingen_ZA
dc.titleStandard method for microCT-based additive manufacturing quality control 2 : density measurementen_ZA
dc.typeArticleen_ZA
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