Research on low-velocity impact resistance of spherical honeycomb sandwich structures

被引：0
|
作者：
Deng, Yunfei [1 ]
Niu, Yijie [1 ]
Du, Chunzhi [1 ]
机构：
[1] Civil Aviat Univ China, Coll Aeronaut Engn, Tianjin 300300, Peoples R China
来源：
THIN-WALLED STRUCTURES | 2024年 / 204卷
关键词：
Honeycomb sandwich structure; Honeycomb orientation; Curvature radius; 3D printing; Low-velocity impact resistance; BEHAVIOR; COMPOSITE; METAL;
D O I：
10.1016/j.tws.2024.112310
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The impact resistance of spherical honeycomb sandwich structures is affected by the orientation and curvature radius of the honeycomb, which are different from those of planar honeycomb sandwich structures. In this study, concentric and coaxial spherical honeycomb sandwich structures with different curvature radii are designed, and the specimens are prepared using 3D printing technology. The impact resistance of concentric and coaxial spherical honeycomb sandwich structures with different curvature radii are investigated through low-velocity impact experiments. It is shown that the impact resistance of the concentric structure decreases with the increase of curvature radius, which is better than that of the coaxial structure with the same curvature radius. This study provides a reference for the design and application of the spherical honeycomb sandwich structure.
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页数：17
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