Damage and failure analysis of composite stiffened panels under low-velocity impact and compression after impact with damp-heat aging-Reference-Cited by-同舟云学术

Damage and failure analysis of composite stiffened panels under low-velocity impact and compression after impact with damp-heat aging

Published:2022-01-01 Issue:1 Volume:29 Page:378-393
ISSN:2191-0359
Container-title:Science and Engineering of Composite Materials
language:en
Short-container-title:

Author:

Du Changmei¹,Li Hanhua²,Yan Shi¹,Zhang Qiuhua³,Jia Jiale¹,Chen Xixi¹

Affiliation:

1. Department of Engineering Mechanics, Harbin University of Science and Technology , Harbin 150000 , China

2. Department of Engineering Mechanics, Beijing Institute of Astronautical Systems Engineering , Beijing 100076 , China

3. Department of Astronautic Science and Mechanics, Harbin Institute of Technology , Harbin 150001 , China

Abstract

Abstract The low-velocity impact and compression after the impact of the composite stiffened panels were carried out after damp-heat aging. The experimental results show that reinforcing the ribs can enhance the impact resistance of test pieces after damp-heat aging. After impacting, the specimens were tested in an axial compression. The results show that the ultimate bearing capacity of the specimen is also affected by different located positions of the impact and different aging times. Compared with the intact specimen, the ultimate load-bearing capacity was reduced to 16.83, 12.10, and 17.10% with the specimen aging for 0, 45, and 90 days, respectively, while the impact position located at the intersection of longitudinal and transverse bars has the greatest influence on the damp-heat aging of specimens.

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,Ceramics and Composites

Link

https://www.degruyter.com/document/doi/10.1515/secm-2022-0159/pdf

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