铝球弹丸高速撞击表面陶瓷化铝板防护结构实验研究

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振动与冲击 ›› 2015, Vol. 34 ›› Issue (18) : 63-68.

论文

管公顺，毕强，张羽

作者信息 +

Experimental investigation of aluminum bumper with ceramic coating on surface impacted by an aluminum sphere

GUAN Gong-shun, Bi Qiang, ZHANG Yu

Author information +

文章历史 +

摘要

基于陶瓷化铝板设计了单层防护屏结构和双层防护屏结构，利用二级轻气炮对其进行高速撞击实验。用于模拟空间碎片的2017铝球弹丸直径分别为3.97mm和6.35mm，撞击速度为1.64~4.96km/s。分析了铝板表面陶瓷层对防护结构高速撞击损伤及防护性能的影响。结果表明：防护屏表面的陶瓷层可使单层防护屏结构抵御更大速度范围的粒子撞击；以表面陶瓷化铝板为首层防护屏的铝网填充式防护结构有助于撞击粒子的首次破碎以及次生碎片的撞击动能吸收。

Abstract

The ceramic coating single bumper and dual-wall bumper shield were designed by improving on Al-Whipple shield and a series of high-velocity impact tests were practiced with a two-stage light gas gun facility. The diameter of projectiles used to simulate space debris were 3.97mm and 6.35mm respectively. Impact velocities of Al-spheres were varied between 1.64km/s and 4.96km/s. The effects of ceramic coating on the damage and protection performance of shield were analyzed. The results indicated that the ceramic coating on surface of bumper broadened the impact velocity spectrum in which the single-wall bumper shield was safe. The Al-mesh stuffed shield with the first bumper of ceramic coating surface can help in primary fragment of projectile and subsequent absorption of kinetic energy of debris cloud.

导出引用

管公顺，毕强，张羽. 铝球弹丸高速撞击表面陶瓷化铝板防护结构实验研究[J]. 振动与冲击, 2015, 34(18): 63-68

GUAN Gong-shun, Bi Qiang, ZHANG Yu. Experimental investigation of aluminum bumper with ceramic coating on surface impacted by an aluminum sphere[J]. Journal of Vibration and Shock, 2015, 34(18): 63-68

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