摘要
剪切增稠液(shear thickening fluids,STFs)是一种新型智能液体装甲材料,与织物复合时可有效提升织物抗冲击能力,在结构冲击领域有广阔的应用潜力。该研究对STF及其增强织物的动态力学行为与数值仿真方法最新进展进行了综述和评价,介绍了STF剪切增稠机理及流变特性的主要影响因素,讨论了STF和STF复合织物的动态力学行为及本构模型,分析了STF复合织物的抗冲击性能的影响因素及STF对织物的增强机理,讨论了STF复合织物在数值仿真方法研究方面的最新进展。最后对STF及其增强织物的力学行为研究进行了总结,并对STF的发展趋势进行了展望。
Shear thickening fluids(STFs)are a new type of intelligent liquid armor material,which can effectively improve the impact resistance of fabrics when combined with fabrics,and has broad application potential in the field of structural impact.This paper summarizes and evaluates the latest progress in dynamic mechanical behavior and numerical simulation methods of STF and its reinforced fabrics.The shear thickening mechanism of STF and the main influencing factors of rheological properties were introduced,and the dynamic mechanical behavior and constitutive structure of STF and STF composite fabrics were discussed.The factors affecting the impact resistance of STF composite fabrics and the strengthening mechanism of STF to fabrics were analyzed.The progress in the research of STF composite fabrics in numerical simulation methods was discussed.Finally,the research on the mechanical behavior of STF and its reinforced fabrics was summarized,and the development trend of STF was prospected.
作者
刘璐璐
谢志浩
赵振华
罗刚
陈伟
LIU Lulu;XIE Zhihao;ZHAO Zhenhua;LUO Gang;CHEN Wei(Aero-Engine Thermal Environment and Structure Key Laboratory of Ministry of Industry and Information Technology,College of Energy and Power Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;State Key Laboratory of Mechanics and Control for Aerospace Structures,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China)
出处
《振动与冲击》
EI
CSCD
北大核心
2023年第20期58-68,共11页
Journal of Vibration and Shock
基金
国家科技重大专项(2017-Ⅳ-0006-0043)
国家自然科学基金(51575262)。
关键词
剪切增稠液(STF)
织物
流变性能
力学行为
高速冲击
数值仿真
shear thickening fluid(STF)
fabric
rheological property
mechanical behavior
high speed impact
numerical simulation
