Repair of Composites: Design Choices Leading to Lower Life-Cycle Cost

Kassapoglou, C.; Rangelov, K.; Rangelov, S.

doi:10.1007/s10443-016-9564-6

Repair of Composites

Title

Repair of Composites: Design Choices Leading to Lower Life-Cycle Cost

Author

Kassapoglou, C. (TU Delft Aerospace Structures & Computational Mechanics)
Rangelov, K. (Dronamics)
Rangelov, S. (Dronamics)

Date

2016

Abstract

The fabrication cost of composite aircraft structures is revisited and the effect of part size on cost is examined with emphasis on design decisions which affect the ease of (bonded) repair and the total cost of the part and subsequent repairs. The case of moderately loaded stiffened fuselage or wing panels under compression is analysed in detail and the fabrication cost of the panel made as a single piece or as an assembly of smaller identical components or modules is determined. The cost of special purpose repairs for two different damage sizes is compared to removing and replacing damaged modules. Hand layup and automated processing are compared. It is found that for certain repair sizes removing and replacing modules leads to lower overall cost as compared to applying a special purpose repair.

Subject

Repair
Modular structure
Cost
Stiffened panel

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http://resolver.tudelft.nl/uuid:ce82520e-b667-44c1-b650-e9b67c2ce560

DOI

https://doi.org/10.1007/s10443-016-9564-6

ISSN

0929-189X

Source

Applied Composite Materials: an international journal for the science and application of composite materials

Part of collection

Institutional Repository