Nl. Savchenko et al., PHASE-COMPOSITION AND MECHANICAL-PROPERTIES OF A ZIRCONIUM DIOXIDE-BASED CERAMIC OBTAINED BY HIGH-TEMPERATURE SINTERING IN A VACUUM, Powder metallurgy and metal ceramics, 32(9-10), 1993, pp. 839-843
Changes in phase composition and mechanical properties of sintered ZrO
2 + 3% (mole) Y2O3 specimens were examined after annealing in air and
after various mechanical operations. Compacted ceramic specimens conta
ining T and T' phase were obtained by sintering in a vacuum at 1800-de
grees-C Ceramics containing T and T' phases have excellent toughness (
K1c up to 15 MPa . m1/2), bend strength up to 800 MPa and HV hardness
up to 13 GPa.