Abstract: A binder for an injection moulding composition, the binder includes, in percentage by mass and for a total of 100%: 35% to 60% of a component (a), or polymer base, made of a polymer or a mixture of polymers, each of the polymer being non-amphiphilic and having a mass average molar mass greater than or equal to 5,000 g/mol, 30% to 55% of a component (b), or wax, made of a polymer or a mixture of polymers, each of the polymer being non-amphiphilic and having a mass average molar mass less than 5,000 g/mol, and less than 10% of an amphiphilic component (c), or surfactant, and less than 10% of other components (d). The polymer base comprising 2% to 15% of a styrene-ethylene-butylene-styrene copolymer (SEBS), in percentage by mass based on the mass of the binder.

Abstract: Sintered product having a chemical analysis such that, in percentage by mass based on the oxides: ZrO2 partially stabilized with CeO2 and Y2O3 is balance to 100%; Al2O3 is >10% and <19%; additive chosen from CaO, manganese oxides, ZnO, praseodymium oxides, SrO, copper oxides, Nd2O3, BaO, iron oxides, and mixtures thereof is 0.2-6%; impurities are <2%; and CeO2 and Y2O3 being present in amounts such that, as a molar percentage on the basis of the sum of ZrO2, CeO2 and Y2O3, CeO2 is ?2.5 mol % and <5.5 mol %, and Y2O3 is 0.5-2 mol %.

Abstract: Sintered product having a chemical analysis such that, in percentages by mass based on the oxides, —ZrO2 partially stabilised with CeO2 and Y2O3: remainder up to 100%, —Al2O3: >10% and <19%—of an additive selected from CaO, the oxides of manganese, ZnO, the oxides of praseodymium, SrO, the oxides of copper, Nd2O3, BaO, the oxides of iron, and mixtures thereof: 0.2-6%, —impurities: <2%, CeO2 and Y2O3 being present in quantities such that, in molar percent based on the sum of ZrO2, CeO2 and Y2O3, —CeO2: 2.5 mol % and <5.5 mol %, and —Y2O3: 0.5-2 mol %.