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Applied Composite Materials

Erschienen in:

01.06.2011

An Enhanced Vacuum Cure Technique for On-Aircraft Repair of Carbon-Bismaleimide Composites

verfasst von: Andrew N. Rider, Alan A. Baker, Chun H. Wang, Graeme Smith

Erschienen in: Applied Composite Materials | Ausgabe 3/2011

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Abstract

Carbon/bismaleimide (BMI) composite is increasingly employed in critical load carrying aircraft structures designed to operate at temperatures approaching 180°C. The high post-cure temperature (above 220°C) required to fully react the BMI resin, however, renders existing on-aircraft prepreg or wet layup repair methods invalid. This paper presents a new on-aircraft repair technique for carbon/BMI composites. The composite prepregs are first warm-staged to improve the ability to evacuate entrapped air. Then the patch is cured in the scarf cavity using the vacuum bag technique, followed by off-aircraft post-cure. The fully cured patch then can be bonded using a structural adhesive.

Vorheriger Artikel Surface Damage Characteristics and Specific Wear Rates of a New Continuous Carbon Fiber (CF) / Polyetheretherketone (PEEK) Composite under Sliding and Rolling Contact Conditions

Nächster Artikel On the Distribution of Delamination in Composite Structures and Compressive Strength Prediction for Laminates with Embedded Delaminations

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Titel: An Enhanced Vacuum Cure Technique for On-Aircraft Repair of Carbon-Bismaleimide Composites
verfasst von: Andrew N. Rider
Alan A. Baker
Chun H. Wang
Graeme Smith
Publikationsdatum: 01.06.2011
Verlag: Springer Netherlands
Erschienen in: Applied Composite Materials / Ausgabe 3/2011
Print ISSN: 0929-189X
Elektronische ISSN: 1573-4897
DOI: https://doi.org/10.1007/s10443-010-9148-9

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