Standardized X-ray tomography testing of additively manufactured parts: A round robin test

A du Plessis, SG le Roux - Additive Manufacturing, 2018 - Elsevier
Micro computed tomography (microCT) allows non-destructive insights into the quality of
additively manufactured parts and the processes that produce them. MicroCT has been used …

Laboratory X-ray tomography for metal additive manufacturing: Round robin test

A Du Plessis, SG le Roux, J Waller, P Sperling… - Additive …, 2019 - Elsevier
This paper reports on the results of a round robin test conducted by ten X-ray micro
computed tomography (micro-CT) laboratories with the same three selected titanium alloy …

X-ray microcomputed tomography in additive manufacturing: a review of the current technology and applications

A Du Plessis, I Yadroitsev, I Yadroitsava… - 3D Printing and …, 2018 - liebertpub.com
X-ray microcomputed tomography (microCT) has become an established method of testing
and analyzing additively manufactured parts in recent years, being especially useful and …

[HTML][HTML] Application of microCT to the non-destructive testing of an additive manufactured titanium component

A Du Plessis, SG le Roux, J Els, G Booysen… - Case Studies in …, 2015 - Elsevier
In this paper the application of X-ray microCT to the non-destructive testing of an additive
manufactured titanium alloy component of complex geometry is demonstrated. Additive …

[HTML][HTML] Standard method for microCT-based additive manufacturing quality control 4: Metal powder analysis

A Du Plessis, P Sperling, A Beerlink, WB Du Preez… - MethodsX, 2018 - Elsevier
X-ray micro computed tomography (microCT) can be applied to analyse powder feedstock
used in additive manufacturing. In this paper, we demonstrate a dedicated workflow for this …

X-ray computed tomography for metal additive manufacturing: challenges and solutions for accuracy enhancement

F Zanini, E Sbettega, S Carmignato - Procedia Cirp, 2018 - Elsevier
Additively manufactured parts are characterized by metrological challenges and
complexities, due to several reasons, including the inherent presence of internal defects and …

[PDF][PDF] Assessing additive manufacturing processes with X-ray CT metrology

H Villarraga, C Lee, T Corbett, JA Tarbutton… - ASPE spring topical …, 2015 - academia.edu
In a recent review of CT metrology issues it was stated that,“Industry can no longer accept
that intricate components produced by additive manufacturing or multi-material injection …

[HTML][HTML] Standard method for microCT-based additive manufacturing quality control 1: Porosity analysis

A Du Plessis, P Sperling, A Beerlink, L Tshabalala… - MethodsX, 2018 - Elsevier
MicroCT is a well-established technique that is used to analyze the interior of objects non-
destructively, and it is especially useful for void or porosity analysis. Besides its widespread …

On the use of X-ray computed tomography in assessment of 3D-printed components

MR Khosravani, T Reinicke - Journal of Nondestructive Evaluation, 2020 - Springer
Technical advantages of additive manufacturing (AM) have drawn great attention over the
past few years. This cost-effective manufacturing process proved its potential applications in …

[HTML][HTML] Standard method for microCT-based additive manufacturing quality control 2: Density measurement

A Du Plessis, P Sperling, A Beerlink, L Tshabalala… - MethodsX, 2018 - Elsevier
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 …