Table 6 Comparison of the properties of this work with other reported studies.

Additives (ppm)

100MgO, 100La₂O₃, 300ZrO₂

500 MgO

100MgO⁻

100La₂O₃

450 MgO⁻

450Y₂O₃₋

450ZrO₂

100MgO, 400Y₂O₃

Fracture toughness (MPa.m^1/2)

5.24

4.8

5.1

4.9

–

Flexural strength (MPa)

356

320

340

310

193

Visible light transmission (700 nm, %)

32

28

30

25

13

Infrared transmission (5 µm, %)

71.4

61

67

68

60

Synthesis method

(SPS)

(SPS)

(SPS)

(SPS)

(SPS)