Table 2 Material parameters of drum.
Material properties | Cemented carbide head | Pick body | Pick seat, Hub, blade, End plate |
|---|---|---|---|
Density (kg/m3) | 1.46 × 104 | 7.85 × 103 | 7.85 × 103 |
Elastic modulus (MPa) | 5.9 × 105 | 2.07 × 105 | 2.187 × 105 |
Poisson's ratio | 0.23 | 0.256 | 0.3 |
Yield strength (MPa) | 3350 | 1210 | 766.67 |
Tensile strength (MPa) | 3500 | 1403 | 862.03 |
Allowable stress (MPa) | 1340 | 754.7 | 463 |
