Ce O(sub 2)-Zr O(sub 2) tetragonal ceramics (Ce-TZP): mechanical properties

摘要

This work presents the development and the characterization of Ce O(sub 2)- stabilized tetragonal Zr O(sub 2) polycrystals (Ce-TZP ceramics), since it is considered candidate material for applications as structural high performance ceramics, an as substitute of some metallic materials. Ce-TZP ceramics attain remarkable increasing in strength and fracture toughness. Sintered ceramics were fabricated from mixtures of powders containing different Ce O(sub 2) content prepared by conventional mechanical technique. It were adopted the bending strength, Vickers hardness and fracture toughness techniques to the determination of the mechanical parameters. These results were discussed and compared to those published in international literature. (author) 11 refs., 10 figs.