Research Article
Simulation Study on the Impact Response of Barrels with Different Rifling Profiles during Bullet Engraving
Table 2
Parameters of the barrel substrate material.
| | Temperature (K) | Density (kg/mm3) | Young’s modulus (MPa) | Poisson’s ratio | Thermal conductivity (W/(m.K)) | Specific heat (J/(kg·K)) | Coefficient of thermal expansion () |
| | 298.15 | | | 0.26 | 45.2 | 539.8 | | | 498.15 | | | 0.27 | 38.1 | 576.1 | | | 698.15 | | | 0.29 | 34.1 | 607.5 | | | 848.15 | | | 0.31 | 31.3 | 634.7 | | | 1098.15 | | | 0.34 | 29.3 | 658.2 | | | 1298.15 | | | 0.36 | 27.7 | 678.5 | |
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