基于空气激波管的GFRP层合板抗爆性能研究

doi:10.19936/j.cnki.2096-8000.20220628.031

复合材料科学与工程 ›› 2023, Vol. 0 ›› Issue (3): 68-75.DOI: 10.19936/j.cnki.2096-8000.20220628.031

基于空气激波管的GFRP层合板抗爆性能研究

田锐, 魏刚^*, 张涵哲, 吴华鹏, 邓云飞

中国民航大学航空工程学院,天津 300300

收稿日期:2022-01-13 出版日期:2023-03-28 发布日期:2023-04-28
通讯作者: 魏刚(1987—),男,博士,讲师,主要从事冲击动力学和材料动态力学性能测试方面的研究。
作者简介:田锐(1996—),男,硕士研究生,主要从事复合材料冲击动力学方面的研究。
基金资助:
中国民航大学实验技术创新基金项目(2019CXJJ18);中央高校基本科研业务费项目中国民航大学专项资助(3122021047)

Study of the blast resistance of GFRP laminates based on air shock tube

TIAN Rui, WEI Gang^*, ZHANG Hanzhe, WU Huapeng, DENG Yunfei

College of Aeronautical Engineering, Civil Aviation University of China, Tianjin 300300, China

Received:2022-01-13 Online:2023-03-28 Published:2023-04-28

摘要/Abstract

摘要： 基于激波管原理自制了80 mm口径的空气冲击波加载装置,并进行了冲击波峰值、速度等参数与破膜压力之间关系的标定。在此基础上,开展了GFRP层合板抗爆性能研究,并用3D全场应变测量系统获取了层合板的动态响应过程。结果表明:使用空气激波管产生的冲击波可以合理模拟爆炸波的加载过程;在冲击波峰值压力为0.93~3.93 MPa之间时,GFRP层合板在冲击波加载过程中的挠度随冲击波压力的增大有S形增大的趋势,卸载之后残余变形很小;预制2 mm小孔的层合板在峰值压力为3.5 MPa的冲击波作用下,发生了撕裂破坏,说明初始损伤严重影响了GFRP层合板的抗爆炸冲击能力。

关键词: 爆炸力学, 空气激波管, GFRP层合板, 抗爆性能

Abstract: Based on the principle of shock tube, an 80 mm diameter air shock wave loading device was self-made and the relevant parameters were calibrated for the relationship between the peak value and velocity of the shock wave and the breaking pressure of the film. On this basis, a study of the blast resistance of GFRP laminates was carried out, and the dynamic response process of the laminates was obtained using a 3D full-field strain measurement system. The results show that the shock wave generated by using air shock tube can reasonably simulate the loading process of blast wave. The deflection of GFRP laminate during the shock wave loading increases according to S-type trend with the increase of shock wave pressure between 0.93 MPa and 3.93 MPa, and the residual deformation is not obvious after unloading. The laminate with prefabricated 2 mm small holes suffered tear damage under the shock wave of peak pressure of 3.5 MPa, indicating that the initial damage seriously affected the blast impact capability of the GFRP laminate.

Key words: explosive mechanics, air shock tube, GFRP laminate, blast resistance

中图分类号:

TB332

田锐, 魏刚, 张涵哲, 吴华鹏, 邓云飞. 基于空气激波管的GFRP层合板抗爆性能研究[J]. 复合材料科学与工程, 2023, 0(3): 68-75.

TIAN Rui, WEI Gang, ZHANG Hanzhe, WU Huapeng, DENG Yunfei. Study of the blast resistance of GFRP laminates based on air shock tube[J]. COMPOSITES SCIENCE AND ENGINEERING, 2023, 0(3): 68-75.

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基于空气激波管的GFRP层合板抗爆性能研究

Study of the blast resistance of GFRP laminates based on air shock tube

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