爆炸与冲击2018，Vol.38Issue(1)：1-8,8.DOI:10.11883/bzycj-2017-0030
基于气炮实验的PTFE/Al复合材料冲击反应阈值
Impact-induced initiation thresholds of polytetrafluoroethylene/Al composite by gas gun
摘要
Abstract
Impact experiments by a gas gun were conducted to investigate the impact-induced initiation thresholds of a PTFE (polytetrafluoroethylene)/Al composite using targets of steel,aluminum and low-density polyethylene (LDPE) materials and sample rods of four different lengths.By subjecting the samples under different loading conditions,it is shown that the impact-induced initiation of PT-FE/Al is determined by both the impact pressure and the loading strain rate.The impact pressure and the strain rate thresholds for initiation were arrested by the experiments and the impacting process of the samples was modeled to compare the experimental and theoretical data.Based on all the experimental results,a theoretical curve was proposed to predict the impact-induced initiation of PTFE/Al under normal impact.The method proposed in this research can also be used in the study of other energetic materials.关键词
冲击反应/阈值/PTFE/Al/撞击实验Key words
impact-induced initiation/thresholds/PTFE/Al/impact experiments分类
数理科学引用本文复制引用
葛超,乌布力艾散·麦麦提图尔荪,田超,董永香,宋卿..基于气炮实验的PTFE/Al复合材料冲击反应阈值[J].爆炸与冲击,2018,38(1):1-8,8.基金项目
国家自然科学基金项目(11202028,11472053) （11202028,11472053）
教育部博士点博导类基金项目(20121101110012) （20121101110012）
