Table 1. The crystallite size using different models: lattice strain, stress and the energy density of zirconia at x = 1.0 at different annealing temperatures.

T(°C)	Ds (nm)	UDM (nm)	ε × 10−3	USDM (nm)	UEDM (nm)	Stress (MPa)	U (kJ/m3)
1000	11.6	11.2	0.35	11.2	11.2	66.3	11.4
1100	17.4	15.4	−0.39	15.4	15.4	−74.4	14.4
1200	22.4	18.9	−2.78	18.9	18.9	−244.6	155.7
1300	56.6	39.6	−1.37	27.1	27.1	−263.8	181.1