Anti-penetration tests for ceramic-reactive powder concrete composite targets

ZOU Huihui, SONG Chunming, WANG Derong, WEN Desheng

Journal of Vibration and Shock ›› 2019, Vol. 38 ›› Issue (11) : 146-151.

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PDF(2163 KB)
Journal of Vibration and Shock ›› 2019, Vol. 38 ›› Issue (11) : 146-151.

Anti-penetration tests for ceramic-reactive powder concrete composite targets

  • ZOU Huihui, SONG Chunming, WANG Derong, WEN Desheng
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Abstract

To investigate the penetration resistance performance of ceramic material applied in engineering protection fields, 3 ceramic-reactive powder concrete composite targets were designed. The DOP (depth of penetration) tests were conducted using special projectiles with diameter of 125 mm to get projectiles’ flight attitude, velocity to hit targets and failure pattern as well as targets’ penetrated depth, crater range and failure pattern. Influences of ceramic target thickness and constraint action of fiber layer on penetration resistance performance of composite target were qualitatively analyzed. The results showed that the ceramic target has an excellent anti-penetration performance, the target has a certain erosion effect on projectiles at lower speeds of 360-400 m/s; With increase in ceramic target thickness, target failure mode changes from punching through type to deformed convex one, target energy dissipation capacity increases, and the whole anti-penetration ability of composite target body increases. The modified BLZ formula was used to preliminarily analyze penetration coefficient of ceramic targets, and calculate quality protection factor and differential protection one of 3 ceramic targets with different thickness. It was shown that the tested ceramic targets’ anti-penetration ability is about 4.9 times of C40 concrete targets’; the results provide a reference for popularization and application of ceramic material in important engineering protection fields.

Key words

ceramic targets / reactive powder concrete / composite targets / penetration / experimental study

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ZOU Huihui, SONG Chunming, WANG Derong, WEN Desheng. Anti-penetration tests for ceramic-reactive powder concrete composite targets[J]. Journal of Vibration and Shock, 2019, 38(11): 146-151

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