@article{(Open Science Index):https://publications.waset.org/pdf/10001204, title = {Strengthening and Toughening of Dental Porcelain by the Inclusion of an Yttria-Stabilized Zirconia Reinforcing Phase}, author = {Bruno Henriques and Rafaela Santos and Mihaela Buciumeanu and Júlio Matias de Souza and Filipe Silva and Rubens Nascimento and Márcio Fredel}, country = {}, institution = {}, abstract = {Dental porcelain composites reinforced and toughened by 20 wt.% tetragonal zirconia (3Y-TZP) were processed by hot pressing at 1000°C. Two types of particles were tested: yttriastabilized zirconia (ZrO2–3%Y2O3) agglomerates and pre-sintered yttria-stabilized zirconia (ZrO2–3%Y2O3) particles. The composites as well as the reinforcing particles were analyzed by the means of optical and Scanning Electron Microscopy (SEM), Energy Dispersion Spectroscopy (EDS) and X-Ray Diffraction (XRD). The mechanical properties were obtained by the transverse rupture strength test. Wear tests were also performed on the composites and monolithic porcelain. The best mechanical results were displayed by the porcelain reinforced with the pre-sintered ZrO2–3%Y2O3 agglomerates. }, journal = {International Journal of Materials and Metallurgical Engineering}, volume = {9}, number = {5}, year = {2015}, pages = {369 - 372}, ee = {https://publications.waset.org/pdf/10001204}, url = {https://publications.waset.org/vol/101}, bibsource = {https://publications.waset.org/}, issn = {eISSN: 1307-6892}, publisher = {World Academy of Science, Engineering and Technology}, index = {Open Science Index 101, 2015}, }