Theoretical Research Progress in High-Velocity/Hypervelocity Impact on Semi-Infinite Targets

Table 3

The parameters value of (7).

Number	Authors				Remarks
1	Summers and Charters [15] (1958)	2/3	2/3
2	Charters and Summers [105] (1959)	2/3	2/3
3	Herrmann and Jones [20] (1961)	2/3	2/3		is Brinell hardness
4	Bruce [21] (1961)	1/2	2/3
5	Eichelberger [106] (1962)	1/3	2/3
6	Loeffler et al. [107] (1963)	1/2	2/3
7	Zhang and Huang [3] (2000)	0.448	0.563
8	Christman and Gehring [108] (1966)	2/3	2/3
9	Walsh and Johnson [109] (1964)	1/3	0.58
10	Christiansen [110] (1993)	2/3	2/3
11	Yu et al. [27] (1994)	0.725	2/3
12	Zhou et al. [111] (2000)	0.62	0.48		2.6 km/s < < 5 km/s
		0.5	0.68		> 5 km/s