The bond modulus may be calculated from the bulk modulus, B, of the crystal [20] yielding the relationship
The results for the NaCl structure crystals studied are shown in
Table
.
| Crystal | | B ( | | k ( |
| NaF | 0.18 | 4.83 | 2.31 | 200 |
| NaCl | 0.22 | 2.40 | 2.82 | 122 |
| NaI | 0.19 | 1.60 | 3.24 | 93 |
| MgO | 0.34 | 15.9 | 2.11 | 604 |
| TiC | 0.52 | 24.2 | 1.57 | 684 |
| MgS | 0.40 | 8.9 | 2.60 | 417 |
.