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On the Fabrication and Automation of Reliable Bonded Composite Repairs

  • For structures made of carbon fiber-reinforced plastics (CFRP), fast, robust, and reliable repair technologies are mandatory for economical usage. In this paper, the authors explain their strategy and experiences. An automated process is proposed to achieve the challenging goals. A general overview on the origin, effects, and analysis of contaminants in CFRP structures and the relationship to the achievable strength of adhesive bonds are given. For the repair of composite structures using adhesive bonding, surface pretreatment is a key factor in terms of reliability and strength. Different surface treatment processes such as grinding, grit blasting, plasma and pulsed lasers treatments are discussed. Furthermore, the possibilities and technical implementation of an automated milling process for the repair of composite structures are presented. This change from manual production to automation tremendously improved the quality and duration of the repair and allows the creation of a uniform surface for adhesive bonding. Further integration of novel technologies is discussed and will further support and enhance the repair in the near future.

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Metadaten
Author:Jens Holtmannspötter, Jürgen von Czarnecki, Florian Feucht, Michael Wetzel, Hans Joachim Gudladt, Timo Hofmann, J. C. Meyer, Michal Niedernhuber
DOI:https://doi.org/10.1080/00218464.2014.896211
Parent Title (English):Journal of adhesion
Publisher:Taylor&Francis
Document Type:Article
Language:English
Year of first Publication:2015
Release Date:2022/05/26
Tag:ADHESION; Adhesive bonding; Automation; Carbon fiber; FIBER-REINFORCED PLASTICS; Scarfing; Surface preparation; composites; repair
Volume:91
Issue:1-2
First Page:39
Last Page:70
Institutes:Fakultät Maschinenbau
Begutachtungsstatus:peer-reviewed
research focus:Produktion und Systeme
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG