聚脲-编织玻璃纤维网格布复合材料加固钢板抗冲击力学性能研究

doi:10.3969/j.issn.1000-1093.2018.10.015

摘要/Abstract

摘要： 为提升纯聚脲加固钢板的抗冲击力学性能，提出在传统纯聚脲加固层中添加编织玻璃纤维网格布的技术增强措施。采用有限元数值模拟方法对比研究了纯聚脲加固层和聚脲-编织玻璃纤维网格布复合材料加固层加固钢板的抗冲击力学性能。利用大型激波管试验结果，验证了数值计算结果的可靠性。结果表明：编织玻璃纤维网格布可提升纯聚脲加固层的加固性能，减小纯聚脲加固钢板整体变形和动能；在编织玻璃纤维网格布容许添加层数范围内，与纯聚脲加固层相比，钢板采用聚脲-编织玻璃纤维网格布复合材料加固层后峰值动能最大可降低28%；聚脲-编织玻璃纤维网格布复合材料加固层内能最大可达到纯聚脲加固层的2.75倍。

关键词: 复合材料, 聚脲, 编织玻璃纤维网格布, 冲击荷载, 激波管

Abstract: The technical measures of adding woven fiberglass meshes into the traditional pure polyurea reinforcing layer are proposed to improve the shock resistance of pure polyurea reinforced steel plate. FEM method is used to study the shock resistance of steel plates reinforced by pure polyurea and polyurea- woven fiberglass mesh composite reinforcing layers, respectively. The test results of large shock tube are used to verify the reliability of numerical simulation. The results show that the woven fiberglass meshes can be used to improve the reinforcing performance of pure polyurea reinforcing layer and reduce the overall deformation and kinetic energy of pure polyurea reinforced steel plate. In the range of allowable addition of woven fiberglass mesh layers, the peak kinetic energy of steel plate can be reduced by 28% by using the polyurea-woven glass fiber composite reinforcing layer compared with the pure polyurea reinforcing layer. The internal of energy in polyurea-woven glass fiber composite reinforcing layer can reach up to 2.75 times of that in the pure polyurea reinforcing layer with the same thickness. Key

Key words: compositematerial, polyurea, wovenfiberglassmesh, shockload, shocktube

中图分类号:

O347.3
TB332

廖瑜，石少卿，梁朝科，王文康. 聚脲-编织玻璃纤维网格布复合材料加固钢板抗冲击力学性能研究[J]. 兵工学报, 2018, 39(10): 1988-1996.

LIAO Yu, SHI Shao-qing, LIANG Chao-ke, WANG Wen-kang. Dynamics Performances of Polyurea-woven Fiberglass Mesh Composite Reinforced Steel Plate Subjected to Shock Waves[J]. Acta Armamentarii, 2018, 39(10): 1988-1996.

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第39卷
第10期2018 年10月兵工学报ACTA
ARMAMENTARIIVol.39No.10Oct.2018

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