| 摘要 |
The invention relates to an yttrium oxide stabilised zirconium oxide which is predominantly in tetragonal form and has the composition ZrO2 92.1% to 93.5%, Y2O3 4.5% - 5.5%, HfO2 1.8% to 2.2%, impurities not more than 0.2%, for the production of dense-sintered semifinished articles such as plates, discs or the like as starting material for prostheses. |
