Improved manufacturing method and mechanical performances of carbon fiber reinforced lattice-core sandwich cylinder

被引：82
作者：
Chen, Liming [1 ,2 ]
Fan, Hualin [1 ,3 ]
Sun, Fangfang [3 ]
Zhao, Long [4 ]
Fang, Daining [1 ,5 ]
机构：
[1] Tsinghua Univ, Sch Aerosp, Beijing 100084, Peoples R China
[2] Chongqing Univ, Coll Resource & Environm Sci, Chongqing 400030, Peoples R China
[3] Hohai Univ, Lab Struct Anal Def Engn & Equipment, Coll Mech & Mat, Nanjing 210098, Jiangsu, Peoples R China
[4] Nanjing Univ Aeronaut & Astronaut, State Key Lab Mech & Control Mech Struct, Nanjing 210016, Jiangsu, Peoples R China
[5] Peking Univ, Coll Engn, Beijing 100871, Peoples R China
来源：
THIN-WALLED STRUCTURES | 2013年 / 68卷
基金：
中国国家自然科学基金;
关键词：
Sandwich; Cylinder; Lattice structure; Fabrication; Mechanical testing; COMPOSITE; DESIGN; FABRICATION;
D O I：
10.1016/j.tws.2013.03.002
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Filament winding and twice co-curing processes were applied to make advanced carbon fiber reinforced composite (CFRC) sandwich cylinder with lattice cores. Split metallic moulds were designed and adopted for easy demoulding after winding the lattice core. The cylinders were designed with a small tapering to assure tight contact between the lattice core and the inner skin. To avoid local failure at the end of the cylinder, flange structures were placed continuously from the fibers of skins and lattices. Axial compression was carried out to reveal the mechanical behaviors of the fabricated sandwich cylinder. The experiment shows that the advanced making technology shows the promise of lattice sandwich cylinder (LSC) avoiding instability, local buckling, local cracking and debonding. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：75 / 84
页数：10
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