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. 2016 Feb 5;6:20589. doi: 10.1038/srep20589

Table 1. Densities and mechanical properties of the ceramic specimens sintered by SPS from the WM powder and the CoLAVA nanopowder as well as volume fractions of tetragonal “t” and monoclinic “m” zirconia in polished and fractured surfaces of the ceramic specimens and the resulting transformabilities of tetragonal zirconia.

Specimen Density [% φth] Elastic modulus E[GPa] Flexural strength σf [MPa] Hardness HV[GPa] Fracture toughness KIc [MPa m1/2] Volume fractions of t- and m-ZrO2 [vol%]
 Transformability of t-ZrO2 Vtrans
Polished
 Fractured
t m t m
WM 98 278 1100 ± 70 13.8 ± 0.4 4.7 ± 0.3 94 6 85 15 9
CoLAVA 99 279 1500 ± 30 14.9 ± 0.3 6.8 ± 0.2 98 2 64 36 34