Dr. Weiguo Hou Profile

Dr. Weiguo Hou

at BeiHang Univ

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Proceedings Article | 13 April 2012 Paper

Progress in patch repair of aerospace composite structures

Weiguo Hou, Weifang Zhang, Qingyun Tang

Proceedings Volume 8409, 840934 (2012) https://doi.org/10.1117/12.923795

KEYWORDS: Composites, Adhesives, Aerospace engineering, Failure analysis, Structured optical fibers, Manufacturing, Analytical research, Safety, Carbon, Resistance

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With the rapid application of the composite structure in the aerospace industry, more load-bearing structures and components are used with composites instead of conventional engineering materials. However, the composite structures are inevitably suffered damages in the complex environment, the composites structures repair become more important in the airplane maintenance. This paper describes the composites patch repair progress. Firstly, the flaws and damages concerned to composite structures are concluded, and also the repair principles are presented. Secondly, the advantages and disadvantages for different repair methods are analyzed, as well as the different bonded repair and their applicability to different structures is discussed. According the recent research in theory and experiment, the scarf repair effects under different parameters are analyzed. Finally, the failure mechanisms of repair structure are discussed, and some prospects are put forward.

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