高速对称加载下改性酚醛碳纤维材料的物理特性  

Physical Characteristics of One Carbon Phenolic Material Under High-Speed Symmetric Loading

作　　者：朱志刚[1] 曾跃飞[1] 高歌 李永池[2] ZHU Zhigang;ZENG Yuefei;GAO Ge;LI Yongchi(Department of Civil Engineering,Guangdong Construction Vocational Technology Institutc,Guangzhou 510440,China;Department of Mechanics and Mechanical Engineering,University of Science and Technology of China,Hefei 230027,China)

机构地区：[1]广东建设职业技术学院土木工程系,广东广州510440 [2]中国科技大学力学与机械工程系,安徽合肥230027

出　　处：《吉首大学学报（自然科学版）》2018年第3期41-44,共4页Journal of Jishou University(Natural Sciences Edition)

基　　金：国家自然科学基金资助项目(10572134)

摘　　要：利用一级轻气炮加载技术,对改性酚醛碳纤维材料进行了对称式抗冲击实验研究.探讨了改性酚醛碳纤维材料在对称高速撞击下的物理状态特性,构建了材料在高速冲击下的Hugoniot曲线和Griineisen状态方程,并计算了相应的Griineisen系数.实验结果表明,Griineisen系数与后自由面粒子速度呈负敏感效应的关系.Free surface velocity of the carbon phenolic material is obtained based on the symmetrical loading technology of one-stage light gas gun.The high-pressure state properties of carbon phenolic material under high speed symmetrical loading are then discussed;at the same time,Hugoniot curve and Griineisen state equation for the carbon phenolic material are established.The experiment results show that Griineisen coefficients is negatively sensitive with improvement of the particle velocity.

关 键 词：改性酚醛碳纤维材料 对称碰撞实验 物理特性 

分 类 号：O347.3[理学—固体力学]