复合材料加筋板冲击后剪切剩余强度研究  

Investigation on After Impact Residual Shear Strength of Composite Stiffened Panels

作　　者：唐枫华 顾琦 陈东 Tang Fenghua;Gu Qi;Chen Dong(Power China Jiangxi Electric Power Engineering Co.Ltd.,Nanchang,Jiangxi 330096;Beihang Changying Aviation Technology(Taizhou)Co.Ltd.,Taizhou,Zhejiang 318014)

机构地区：[1]中国电建集团江西省电力设计院有限公司,江西南昌330096 [2]北航长鹰航空科技(台州)有限公司,浙江台州318014

出　　处：《江西建材》2024年第12期385-388,共4页

摘　　要：文中基于层内损伤理论,建立了冲击-剪切全过程仿真分析模型,主要用于评估受冲击后复合材料结构的剩余强度,为验证仿真分析模型的准确性开展冲击-剪切试验。结果表明:(1)第一分析步能够较为准确地预测冲击试验中的损伤形貌,表现为对纤维/基体损伤及凹坑深度的准确预测;(2)第二和第三分析步能够有效预测冲击后剪切试验的结果,表现为对破坏载荷和破坏模式的准确预测。In this paper,based on the theory of in-layer damage,an impact-shear whole process simulation and analysis model is established,which is mainly used to evaluate the residual strength of the composite structure after impact,and in order to verify the accuracy of the simulation and analysis model,impact-shear tests are carried out.The results show that:(1)the first analysis step can predict the impact damage morphology of the impact test more accurately.(2)The second/third analysis step can also predict the damage load and damage mode of the impact-shear test more accurately.

关 键 词：复合材料加筋壁板 冲击损伤 剪切强度 剪切失效 

分 类 号：TB33[一般工业技术—材料科学与工程]