TY JOUR TI EFFECT OF MECHANICAL PROCESSING ON THE PHASE STATE AND MICROHARDNESS OF PSZ-BASED COMPOSITE CERAMICS WITH AN Al2O3 ADDITION KW zirconium dioxide KW composite ceramic KW plane grinding KW grinding depth KW phase composition KW microhardness JO Technique and technology of silicates AU Timokhin Ilya, I.Y. PY 2026 IS 33 PB Individual Entrepreneur Svetlana Vasilievna Samchenko