Review Article
Theoretical Research Progress in High-Velocity/Hypervelocity Impact on Semi-Infinite Targets
Table 2
The critical velocity ignoring the target material strength.
| Materials | g/cm3 | GPa | | GPa | (1) m/s | m/s | m/s | (2) m/s |
| Tungsten alloy [74] | 17.3 | 291.7 | 0.3 | 2.4 | 1490–1666 | 1046 | 821 | 645 | Steel 4340 [42, 43, 74] | 7.85 | 170.8 | 0.3 | 1.978 | 2008–2245 | 1186 | 932 | 869 | Aluminum alloy 6061 [42, 43, 74] | 2.71 | 67.65 | 0.33 | 0.625 | 1929–2148 | 1228 | 999 | 832 | Concrete [103] | 2.4 | 15.625 | 0.18 | 0.0619 | 643–718 | 736 | 510 | 278 | Granite [104] | 2.67 | 36.87 | 0.16 | 0.1822 | 1045–1168 | 1095 | 743 | 452 |
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