The failure mechanism of curved composite laminates subjected to low-velocity impact

被引：29
|
作者：
Wan, Yun [1 ]
Liu, Yihui [1 ]
Hu, Chaojie [2 ]
Yao, Jian [1 ]
Wang, Fangxin [3 ]
Yang, Bin [2 ]
机构：
[1] East China Jiaotong Univ, Sch Civil Engn & Architecture, Nanchang 330013, Peoples R China
[2] Tongji Univ, Sch Aerosp Engn & Appl Mech, Shanghai 200092, Peoples R China
[3] Yangzhou Univ, Coll Architectural Sci & Engn, Yangzhou 225009, Peoples R China
来源：
ACTA MECHANICA SINICA | 2023年 / 39卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Curved composite laminate; Low-velocity impact; Compression-after-impact; Damage evaluation; Failure mechanism; COMPRESSIVE STRENGTH; HYBRID COMPOSITES; DAMAGE; BEHAVIOR; PANELS;
D O I：
10.1007/s10409-023-23113-x
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Four panels with a semicircular arch structure comprised of glass-fiber-reinforced polymer (GFRP) laminates are subjected to low-velocity impact, compression-after-impact (CAI), and quasi-static compression tests. Mechanical response and the failure mechanism of the complex structure are investigated with the assistance of a three-dimensional digital image correlation (3D-DIC) system and numerical simulation based on Hashin's failure criteria in Abaqus software. The results show that the addition of a semicircular arch can absorb more incident energy during the impact process. The failure modes of the panels are depended on the semicircular arch dimension, and excellent anti-impact performance is found in the semicircular arch with a diameter close to the impactor. Meanwhile, the CAI strength is increased with the semicircular arch size.
引用
收藏
页数：11
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