Fabrication and axial compression test of thermoplastic composite cylindrical sandwich structures with hierarchical honeycomb core

被引：27
|
作者：
Guo, Yongguang [1 ,2 ,3 ]
Chen, Liming [1 ,2 ,3 ]
Zhu, Changliang [1 ,2 ,3 ]
Liu, Houchang [1 ,2 ,3 ]
Pan, Xin [1 ,2 ,3 ]
Du, Bing [4 ]
Zhao, Wanqi [1 ,2 ,3 ]
Li, Weiguo [1 ,2 ,3 ]
机构：
[1] Chongqing Univ, State Key Lab Coal Mine Disaster Dynam & Control, Chongqing 400030, Peoples R China
[2] Chongqing Univ, Coll Aerosp Engn, Chongqing 400030, Peoples R China
[3] Chongqing Univ, Chongqing Key Lab Heterogeneous Mat Mech, Chongqing 400030, Peoples R China
[4] Chongqing Univ Sci & Technol, Sch Met & Mat Engn, Chongqing Key Lab Nanomicro Composite Mat & Devic, Chongqing 401331, Peoples R China
来源：
COMPOSITE STRUCTURES | 2021年 / 275卷
基金：
中国国家自然科学基金;
关键词：
Thermoplastic composite; Hierarchical honeycomb; Sandwich structure; Mechanical properties; MECHANICAL-BEHAVIOR; LATTICE STRUCTURES; FAILURE; SPACECRAFT; CYLINDERS; SHELLS; BEAM;
D O I：
10.1016/j.compstruct.2021.114453
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A hierarchical thermoplastic composite honeycomb sandwich cylindrical structure consisting of continuous glass fiber reinforced thermoplastic (GFRTP) composite skins and hierarchical honeycomb core was designed and fabricated by the means of filament winding and interlocking method. Axial compression tests were conducted to evaluate the load bearing capacity and reveal the failure modes. The results show that local buckling and face crushing were the primary failure modes for sandwich cylindrical structures. The mechanical properties including the specific energy absorption (SEA) and the ultimate loading capacity of sandwich cylindrical structure are 5.45 and 15.24 times greater than that of the hierarchical core. Besides, the hierarchical thermoplastic composite honeycomb sandwich cylindrical structures also perform better on loading-capacity efficiency when compared with structures as referenced.
引用
收藏
页数：12
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