| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Zhang, Fei
KU Leuven
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (32/32 displayed)
- 2024UV-Curing Assisted Direct Ink Writing of Dense, Crack-Free, and High-Performance Zirconia-Based Composites With Aligned Alumina Plateletscitations
- 2024Effect of printing layer orientation and polishing on the fatigue strength of 3D-printed dental zirconiacitations
- 2024Effect of printing layer orientation and polishing on the fatigue strength of 3D-printed dental zirconiacitations
- 2023Tough and damage-tolerant monolithic zirconia ceramics with transformation-induced plasticity by grain-boundary segregationcitations
- 2023Layer characteristics in strength-gradient multilayered yttria-stabilized zirconiacitations
- 2023Does speed-sintering affect the optical and mechanical properties of yttria-stabilized zirconia? A systematic review and meta-analysis of<i> in</i><i>-vitro</i> studiescitations
- 2022Mechanical properties-translucency-microstructure relationships in commercial monolayer and multilayer monolithic zirconia ceramicscitations
- 2022Fracture analysis of one/two-piece clinically failed zirconia dental implantscitations
- 20223D printed zirconia dental implants with integrated directional surface pores combine mechanical strength with favorable osteoblast responsecitations
- 20223D printing and milling accuracy influence full-contour zirconia crown adaptationcitations
- 2021Carrier gradients and the role of charge selective contacts in lateral heterojunction all back contact perovskite solar cellscitations
- 2021Laser surface texturing of zirconia-based ceramics for dental applications: A reviewcitations
- 2021Alumina toughened zirconia reinforced with equiaxed and elongated lanthanum hexa-aluminate precipitatescitations
- 2021Impact of sandblasting on the flexural strength of highly translucent zirconiacitations
- 2021Additively Manufactured Zirconia for Dental Applicationscitations
- 2020Reliability of an injection-moulded two-piece zirconia implant with PEKK abutment after long-term thermo-mechanical loadingcitations
- 2020Importance of tetragonal phase in high-translucent partially stabilized zirconia for dental restorationscitations
- 2020Mechanical properties, aging stability and translucency of speed-sintered zirconia for chairside restorationscitations
- 2019High-translucent yttria-stabilized zirconia ceramics are wear-resistant and antagonist-friendlycitations
- 2018Crystallographic and morphological analysis of sandblasted highly translucent dental zirconiacitations
- 2017Grain-boundary engineering for aging and slow-crack-growth resistant zirconiacitations
- 2017Slow crack growth and hydrothermal aging stability of an alumina-toughened zirconia composite made from La2O3-doped 2Y-TZPcitations
- 2017Residual compressive surface stress increases the bending strength of dental zirconiacitations
- 2016Influence of Light Irradiation Through Zirconia on the Degree of Conversion of Composite Cementscitations
- 2016Effect of cation dopant radius on the hydrothermal stability of tetragonal zirconia: Grain boundary segregation and oxygen vacancy annihilationcitations
- 2016Strength, toughness and aging stability of highly-translucent Y-TZP ceramics for dental restorations
- 2015Effect of grain boundary segregation on the hydrothermal degradation of dental 3Y-TZP ceramics
- 2015Lifetime estimation of zirconia ceramics by linear ageing kineticscitations
- 2015Highly-translucent, strong and aging-resistant 3Y-TZP ceramics for dental restoration by grain boundary segregationcitations
- 2015Aging resistance of surface-treated dental zirconiacitations
- 2015Bonding Effectiveness to Differently Sandblasted Dental Zirconiacitations
- 2014Influence of sintering conditions on low-temperature degradation of dental zirconiacitations
Places of action
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article
Lifetime estimation of zirconia ceramics by linear ageing kinetics
Abstract
Up to now, the ageing kinetics of zirconia ceramics were mainly derived from the sigmoidal evolution of the surface phase transformation as a function of time, as quantified by means of X-ray diffraction (XRD). However, the transformation propagation into the material should be better to monitor the ageing kinetics. In this work, µ-Raman spectroscopy was used to quantitatively measure the transformation profiles in depth as a function of ageing time at 160 °C, 140 °C, 134 °C and 110 °C. A linear relationship between the transformed depth and the ageing time was observed for all investigated yttria stabilized tetragonal zirconia polycrystals (3Y-TZP). Furthermore, the µ-Raman investigation of residual stresses in the subsurface of aged 3Y-TZPs showed that the highest tensile stress was located just ahead of the transformation front, indicating the key responsibility of stress accumulation for transformation front propagating into the material. Moreover, the linear kinetics of the transformation propagation were more accurate to calculate the apparent activation energy of the ageing process and allowed a more straightforward estimation of the lifetime of 3Y-TZP at body temperature, as compared to the conventional ageing kinetic parameters obtained from the surface transformation analysis by XRD. ; status: published