Isobaric Study of the Elastic Properties for Alkaline Earth Oxides under High Temperature

Table 1

Values of input data [5, 6, 9, 10, 13, 19] at room temperature. 𝛼 (in 10⁻⁵K⁻¹), 𝛿⁰ (dimensionless); elastic constants (𝐶_𝑖𝑗) and bulk modulus (𝐾) (in GPa); and first-order temperature derivatives ((𝜕𝐶_𝑖𝑗/𝜕𝑇)₀) (in 10⁻² GPa).

Parameters	MgO	CaO	SrO
𝛿^0	5.3	5.6	5.4
𝛼	3.12	3.04	4.20
𝐶^011	298.906	220.53	173.00
𝐶^012	96.4	57.60	45.0
𝐶^044	157.13	80.03	56.0
𝐾	159.67	111.96	86.0
(𝜕𝐶11/𝜕𝑇)0	−5.85	−4.90	−3.52
(𝜕𝐶12/𝜕𝑇)0	0.75	0.35	0.7
(𝜕𝐶44/𝜕𝑇)0	−1.26	−0.70	−0.56