Experimental study of hypervelocity impacts at low temperatures

被引：13
|
作者：
Numata, D. [1 ]
Ohtani, K. [2 ]
Anyoji, M. [1 ]
Takayama, K. [3 ]
Sun, M. [4 ]
机构：
[1] Tohoku Univ, Grad Sch Engn, Aoba Ku, Sendai, Miyagi 9808577, Japan
[2] Tohoku Univ, Inst Fluid Sci, Interdisciplinary Shock Wave Res Lab, Aoba Ku, Sendai, Miyagi 9808577, Japan
[3] Tohoku Univ, Biomed Engn Res Org, Aoba Ku, Sendai, Miyagi 9808577, Japan
[4] Tohoku Univ, Interdisciplinary Res Ctr, Aoba Ku, Sendai, Miyagi 9808578, Japan
来源：
SHOCK WAVES | 2008年 / 18卷 / 03期
关键词：
hypervelocity impact (HVI); low temperature; ballistic range; space debris bumper shield;
D O I：
10.1007/s00193-008-0156-8
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
This paper reports the results of hypervelocity impact (HVI) experiments on cryogenic aluminum alloys at 122 K. Target plates were impinged by room temperature aluminum spheres at speeds ranging from 1 to 3.7 km/s in air at 10 Pa. The results were compared with HVI results at room temperature. We visualized the HVI processes by shadowgraph and recorded them with a digital high-speed video camera. We showed temperature effects of target plate physical properties on the formation of debris clouds and impact craters and hence the shielding efficiency of aluminum alloys at low temperature.
引用
收藏
页码：169 / 183
页数：15
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