Table 1 Stiffness matrix (coefficients in GPa) of alumina
417.6469 | 119.98878 | 75.42255 | 0.21215 | 21.17205 | 1.4208 |
|---|---|---|---|---|---|
119.98878 | 416.98215 | 72.69125 | − 0.18043 | − 21.1691 | 1.4079 |
75.42255 | 72.69125 | 420.14175 | 0.23857 | 0.3554 | 1.36645 |
0.21215 | − 0.18043 | 0.23857 | 116.9212 | 0.61045 | − 21.2966 |
21.17205 | − 21.1691 | 0.3554 | 0.61045 | 113.7423 | 0.0077 |
1.4208 | 1.4079 | 1.36645 | − 21.2966 | 0.0077 | 143.9595 |