| Issue |
MATEC Web Conf.
Volume 388, 2023
2023 RAPDASA-RobMech-PRASA-AMI Conference Advanced Manufacturing Beyond Borders - The 24th Annual International RAPDASA Conference joined by RobMech, PRASA and AMI, hosted by CSIR and CUT
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|---|---|---|
| Article Number | 08002 | |
| Number of page(s) | 10 | |
| Section | AM Material and Part Characterisation | |
| DOI | https://doi.org/10.1051/matecconf/202338808002 | |
| Published online | 15 December 2023 | |
X-ray computed tomography vs Archimedes method: a head-to-head comparison
1 Department of Physics, University of Stellenbosch, South Africa
2 Aerospace Systems Research Group, University of KwaZulu-Natal (ASReG), South Africa
3 Object Research Systems Inc, Montreal, Canada
ledwaba.tebogo81@gmail.com
bbusi251@gmail.com
byronabm@gmail.com
cmsteen@sun.ac.za
anton2@sun.ac.za; aduplessis@theobjects.com
Metal additive manufacturing (AM) is growing rapidly towards industrial adoption in various industries, but porosity remains a concern because it creates areas of stress that affects the mechanical properties and reduces reliability. Porosity can be quantified by X-ray computed tomography (XCT), but the method is relatively slow and expensive. The Archimedes density measurement method is widely used due to the low cost and ease of operation; however, it is limited in its precision for low porosity levels. In this work, a series of additively manufactured aluminium 6061-Ti6 alloy samples with different types and quantities of porosities are subjected to Archimedes, gas pycnometer and X-ray methods. This work clarifies the application range and limitations of each of these methods, using 10 mm cubes of Al 6061-Ti6 manufactured by laser powder bed fusion.
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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