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舱壁组合结构抗高速破片侵彻性能研究
Research on anti-penetration performance of composite bulkhead structure in high-speed fragments
吴伟, 李典, 侯海量, 李永清
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作者单位:海军工程大学 舰船与海洋学院,湖北 武汉 430033
中文关键字:组合结构;高速破片;侵彻;破坏形貌
英文关键字:combined structure; high-speed fragments; penetration; damage morphology
中文摘要:为研究舱室组合结构抗高速破片侵彻性能,设计船用钢和玻纤/芳纶混纺复合材料的组合结构,开展高速破片侵彻不同工况下组合结构的数值模拟计算,分析了高速破片侵彻组合结构的侵彻过程,以及破片侵彻姿态、堆叠次序、混纺纤维体积比以及间隙对组合结构抗弹性能的影响。数值计算结果表明:受玻纤/芳纶体积比以及间隙的影响,钢板前置时组合结构的抗弹性能不一定最优;破片以面姿态侵彻组合结构时,侵彻能力最高;组合结构中若需要复合材料层合板前置且不降低抗弹性能时,层合板需要较高的抗剪强度。
英文摘要:In order to study the anti-high-speed fragment penetration performance of the combined structure, a combined structure of marine steel and glass fiber/aramid blended composite material was designed. Numerical simulation calculations of the combined structure under different conditions of high-speed fragment penetration were carried out, and the high-speed fragments were analyzed. The penetration process of the composite structure, as well as the influence of the fragment penetration posture, stacking order, blended fiber volume ratio and gap on the anti-elasticity performance of the composite structure. Numerical calculation results show that: affected by the volume ratio of glass fiber/aramid fiber and the interval, the anti-elastic performance of the composite structure when the steel plate is in front is not necessarily the best; when the fragments penetrate the composite structure in a face attitude, the penetration performance is the best; If the composite material laminate is required to be in front of the structure without reducing the anti-elasticity performance, the laminate needs higher shear strength.
2022,44(16): 13-19 收稿日期:2021-07-09
DOI:10.3404/j.issn.1672-7649.2022.16.003
分类号:O347.3
基金项目:十三五预研项目(41422010902, 30203010202)
作者简介:吴伟(1997-),男,硕士研究生,研究方向为船用复合材料及其应用
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