| abstract |
Sintered product having a chemical analysis such that, in percentages by mass based on the oxides, - ZrO 2 partially stabilised with CeO 2 and Y 2 O 3 : remainder up to 100%, - AI 2 O 3 : > 10% and < 19% - of an additive selected from CaO, the oxides of manganese, ZnO, the oxides of praseodymium, SrO, the oxides of copper, Nd 2 O 3 , BaO, the oxides of iron, and mixtures thereof: 0.2 - 6%, - impurities: < 2%, CeO 2 and Y 2 O 3 being present in quantities such that, in molar percent based on the sum of ZrO 2 , CeO 2 and Y 2 O 3 , - CeO 2 : ≥ 2.5 mol% and < 5.5 mol%, and - Y 2 O 3 : 0.5 - 2 mol%. |