Table 2.

Grain size and densiy of samples.

Sample	Sintering Temperature (°C)	Grain Size (µm)	Relative Density (%)
8YSZ	1550	6	96.0
2Bi-8YSZ1	1100	2.5	97.5
2Bi-8YSZ2	1200	5	97.8
2Bi-8YSZ3	1300	10	96.7
2Bi-8YSZ4	1400	13	98
2Bi-10YSZ1	1100	3	97.7
2Bi-10YSZ2	1200	5	98.0
2Bi-10YSZ3	1300	10	96.5
2Bi-10YSZ4	1400	14	98.2