Graph: Figure 4XRD patterns of ceramics sintered at 1450 °C with increasing 3YSZ fraction. Graph: Figure 1XRD patterns of ceramics sintered at 1500 °C with increasing 3YSZ fraction. Graph: Figure 6XRD patterns of ceramics sintered at 1400 °C with increasing 3YSZ. fraction X = wt%3YSZ.