Brittle Coating Layers for Impact Detection in CFRP

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abstract

The detection of possible impacts in carbon-fiber-reinforced plastic (CFRP) structures is important for the evaluation of structural integrity of CFRP. Sol–gel-based sensitive coatings for impact detection on CFRP substrates have been developed and investigated by University of Aveiro (UAVR). The coatings are based on hybrid sol–gel formulations with tunable mechanical properties, i.e., brittleness adjusted for a defined range of impact energy. This sensitive layer allows the identification and location of mechanical impacts under visible light and without supplementary tools or conditions for its detection. A systematic study was performed to enhance the coating response for the defined impact threshold. A set of different parameters such as composition, fillers, curing conditions, surface roughness, and chemistry of the surface were tested and optimized.

authors

Frederico Maia, Kiryl Yasakau, Joao Tedim , Mikhail L. Zheludkevich

our authors

foto João Tedim

João Tedim

Associate Professor
foto Mikhail Zheludkevich

Mikhail Zheludkevich

Invited Principal Researcher

Groups

G3 - Electrochemical Materials, Interfaces and Coatings

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Publication Details

type
Book Chapter
year
2015
Book Title
Smart Intelligent Aircraft Structures (SARISTU)
editors
Piet Christof Wölcken, Michael Papadopoulos
publisher
Springer International Publishing
isbn
978-3-319-22412-1
book digital object identifier
10.1007/978-3-319-22413-8
link
http://link.springer.com/chapter/10.1007%2F978-3-319-22413-8_35

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