X-ray tomography of additive-manufactured zirconia: Processing defects – Strength relations

X-ray Computed Tomography (XCT) analysis was applied to identify and quantify typical defects in dense 3Y-TZP zirconia processed by the Lithography-based Ceramic Manufacturing (LCM) technique. XCT derived strengths were anticipated from the XCT data and compared to experimental measurement. A good a...

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Bibliographic Details
Published in:Journal of the European Ceramic Society 2020-07, Vol.40 (8), p.3200-3207
Main Authors: Saâdaoui, M., Khaldoun, F., Adrien, J., Reveron, H., Chevalier, J.
Format: Article
Language:English
Subjects:
Additive manufacturing
Chemical Sciences
Defects
Material chemistry
Strength
X-ray computed tomography
Zirconia
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Summary:X-ray Computed Tomography (XCT) analysis was applied to identify and quantify typical defects in dense 3Y-TZP zirconia processed by the Lithography-based Ceramic Manufacturing (LCM) technique. XCT derived strengths were anticipated from the XCT data and compared to experimental measurement. A good agreement between XCT data, bending strength measurement and fractographic analysis demonstrates the suitability of X-ray tomography for both defects detection and predictive mechanical strength estimation. It allows also to rank the different defects related to LCM in terms of their criticality versus mechanical resistance.
ISSN:0955-2219
1873-619X
DOI:10.1016/j.jeurceramsoc.2019.04.010