Damage characteristics of polyurea coated ceramic/steel composite armor structures subjected to combined loadings of blast and high-velocity fragments

LI Mao; GAO Shengzhi; HOU Hailiang; LI Dian; LI Yongqing; ZHU Xi

doi:10.11883/bzycj-2019-0119

Volume 40 Issue 11

Nov. 2020

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LI Mao, GAO Shengzhi, HOU Hailiang, LI Dian, LI Yongqing, ZHU Xi. Damage characteristics of polyurea coated ceramic/steel composite armor structures subjected to combined loadings of blast and high-velocity fragments[J]. Explosion And Shock Waves, 2020, 40(11): 111403. doi: 10.11883/bzycj-2019-0119

Citation:

LI Mao, GAO Shengzhi, HOU Hailiang, LI Dian, LI Yongqing, ZHU Xi. Damage characteristics of polyurea coated ceramic/steel composite armor structures subjected to combined loadings of blast and high-velocity fragments[J]. Explosion And Shock Waves, 2020, 40(11): 111403. doi: 10.11883/bzycj-2019-0119

Citation:

LI Mao, GAO Shengzhi, HOU Hailiang, LI Dian, LI Yongqing, ZHU Xi. Damage characteristics of polyurea coated ceramic/steel composite armor structures subjected to combined loadings of blast and high-velocity fragments[J]. Explosion And Shock Waves, 2020, 40(11): 111403. doi: 10.11883/bzycj-2019-0119

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Damage characteristics of polyurea coated ceramic/steel composite armor structures subjected to combined loadings of blast and high-velocity fragments

doi: 10.11883/bzycj-2019-0119

1.
Naval Research Academy, Beijing 100161, China
2.
College of Naval Architecture and Ocean Engineering, Naval University of Engineering, Wuhan 430033, Hubei, China

Received Date: 2019-04-09
Rev Recd Date: 2020-01-13
Publish Date: 2020-11-05

Abstract

Abstract

Four types of polyurea coated composite armor structures were designed based on steel plates, SiC ceramic tiles and polyurea coatings. The near-field explosion damage characteristics of the composite armor structures were experimentally studied using the method of charge driven prefabricated fragments. The failure modes of the components of the armor structures were proposed, the protection performances of the armor structures were comparatively analyzed and the protection mechanisms were investigated. The experimental results indicate that the impact energy acted on the structures by the prefabricated fragments is far greater than that of the blast wave. The protection performances of the polyurea coated composite armor structures are much better than those of the multi-layer steel structures. Increasing the thickness of ceramic tiles can enhance the protection performance more efficiently than increasing the thickness of the front plate or back plate. Under the impact of fragment cluster, ceramic tiles are damaged on a large scale, and the anti-penetration capability against subsequent hitting fragments will be severely weakened.
- combined damage,
- SiC ceramic,
- polyurea coating,
- composite armor

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References(18)

References

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