Free Access
Table 1
Numerical values of the coefficients describing material properties for some materials of interest in SI units, temperatures in K.
| Materials | ||||
| Property | Symbol | Unit | Al2O3a | Olivineb |
|
|
||||
| Melting Temp. | T m | K | 2320 | 2140 |
| Atomic volume | Ω | m3 | 4.25 × 10-29 | 4.92 × 10-29 |
| Burgers vector | b | m | 2.58 × 10-10 | 6.0 × 10-10 |
| Power-law creep | A | 3.38 | 0.45 | |
| n | 3.0 | 3.0 | ||
| Q cr | kJ mol-1 | 477 | 522 | |
| Volume diffusion | D 0v | m2s-1 | 2.8 × 10-10 | 0.1 |
| Q v | kJ mol-1 | 477 | 522 | |
| Grain boundary | δ D 0b | m3 s-1 | 8.6 × 10-10 | 1 × 10-10 |
| diffusion | Q b | kJ mol-1 | 419 | 350 |
| Yield strength | σ 0y | MPa | 17 500(d) | 9050d |
| m 0y | MPa K−1/2 | 4.67(d) | 2.31d | |
| Shear modulus | μ 0 | MPa | 1.55 × 105 | 8.13 × 104 |
|
–0.35 | –0.35 | ||
| Surface energy | γ sf | J m2 | 1c | 1c |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.