Browsing by Author "Seifert, T."

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    Microfocus X-ray computed tomography (CT) analysis of laser sintered parts
    (Southern African Institute for Industrial Engineering, 2014-05) Du Plessis, Anton; Seifert, T.; Booysen, G.; Els, J.
    Microfocus X-ray computed tomography (CT) scanning is a three-dimensional (3D) non-destructive technique that is useful in many research and technology fields. Similar to two-dimensional (2D) X-ray inspections, this 3D technology allows the investigation of almost any material down to 1 micron spatial resolution and higher. In this paper we present a characterisation and demonstration of the use of CT to analyse the 3D volume of laser sintered parts including analyses of porosity, dimensional measurement of cracks and other features, and a demonstration of quality testing methods which can be used to quickly identify problems in production.