For aerospace structures made of carbon fibre reinforced plastics (CFRP) robust, fast, and reliable repair technologies are mandatory for economical usage. In comparison to metallic parts, the repair of CFRP integral structures requires novel repair methods based on different technologies. CFRP consist of carbon fibres embedded in a polymer, mostly a duromer matrix system. While standard mechanical joining elements like rivets and bolts can also be used, they are not regarded as appropriate for the mate- rial and the lightweight aspect. Adhesive bonds allow even and distributed transmission of forces. In addition, repairs with minimum impact on the optical and aerodynamic appearance are possible. Especially for military aircrafts with high demands on geometrical accuracy for aerodynamic reasons, bolted repairs are often not an option.
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