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

页数：11

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