Analytical and Numerical Investigation on Dynamic Behavior of Rectangular FML Sandwich Tubes with Metal Foam Core Under Low-Velocity Impact

材料科学 复合材料 金属泡沫 夹层结构复合材料 偏转(物理) 有限元法 结构工程 芯(光纤) 复合数 工程类 光学 物理
作者
Yan Song,Hui Yuan,Jinlong Du,Hao Sun,Zelin Han,Jianxun Zhang
出处
期刊:International Journal of Applied Mechanics [World Scientific]
卷期号:14 (04) 被引量:2
标识
DOI:10.1142/s1758825122500284
摘要

In this work, the dynamic behavior for clamp-supported rectangular fiber metal laminate (FML) sandwich tubes with metal foam core under low-velocity impact is studied by analytical solution and numerical method analysis. The yield criterion of the FML sandwich tube with metal foam core is proposed. Based on yield criterion, the theoretical solution for rectangular FML sandwich tubes dynamic behavior under low-velocity impact is developed considering the strength and the coupling effect of bending and tension. Finite element study is conducted. Theoretical results are well consistent in the finite element ones. Finally, the influences of material and geometric parameters, and impact position on impact force and maximum deflection of FML sandwich tubes are analyzed systematically. The results reveal that the FML sandwich tubes’ impact forces increase with the increase of the strength, number and thickness of the metal layer, the strength and thickness of the composite layer and foam strength; and impact forces increase with the decrease of the metal volume fraction of FML. Also, the impact force increases with the decrease of the distance between the impact position and the clamp-supported end.
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