Assessment of the load carrying performance of composite cross joints

Liyang Liu, Mengfei Cai, Xiaoliang Geng, Peiyan Wang, Zhufeng Yue

科研成果: 期刊稿件文章同行评审

摘要

Composite cross joints are common structures in an airframe. When this type of joint is used on an air inlet stiffened structure, it will undertake large bending moment, especially under overpressure of the engine. In this paper, two types of cross joints are tested experimentally and simulated to investigate the load bearing characteristics and make comparative remarks. Four-point bending tests are conducted and the load deflection curves are obtained; besides, the damage pattern of the joints is reported. Based on composite progressive damage model, the numerical simulations have a good agreement with experimental results, revealing the joint failure mechanism and fastener force feature of various joints. The comparative assessment of two types of joints is summarized.

源语言英语
页(从-至)1431-1439
页数9
期刊Journal of Composite Materials
54
11
DOI
出版状态已出版 - 1 5月 2020

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