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Repair concept supported by laser removal and inductive heating

Kaden, Markus and Keck, Rüdiger (2012) Repair concept supported by laser removal and inductive heating. In: Pproceeding CD. ICAS 28th Congress of the International Council of the Aeronautical Sciences, 23.-29. Sep. 2012, Brisbane, Australien. ISBN 978-0-9565333-1-9

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Abstract

With the increasing number of composite applications in aircrafts, it is essential to supply repair concepts with respect to the material properties. In addition to the carbon fiber reinforced composites with a thermoset matrix system, other matrix systems like highperformance thermoplastics have been continuously gaining market share. In comparison to other matrix systems, highperformance thermoplastics have advantages like their ability to reshape and to weld after the first molding process. These advantages can be used to develop new repair concepts. The developing repair concept concentrates mainly on two steps between the detection of the damage and the post repair inspection. One of the steps is the scarfing out with the purpose to remove the damaged area. To simplify this step, the inclusion of a laser support to the repairing process was investigated. As a non-contact, thermal treatment, a UV Laser offers a ply-by-ply removal and can generate a precise stepped-lap repair geometry. With the help of these new possibilities, a load path conforming repair geometry can be developed. Another important step is the application of the repair patch by heating up the interface zone between the patch and the undamaged area. The necessary heat can be generated with the help of inductive heated metallic sheet. The results of the investigations regarding the laser support and the inductive heating will be presented in this paper.

Item URL in elib:https://elib.dlr.de/79420/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Repair concept supported by laser removal and inductive heating
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kaden, MarkusUNSPECIFIEDUNSPECIFIED
Keck, RüdigerUNSPECIFIEDUNSPECIFIED
Date:September 2012
Journal or Publication Title:Pproceeding CD
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
ISBN:978-0-9565333-1-9
Status:Published
Keywords:repair, rework, laser, inductive heating, carbon fiber reinforced thermoplastics
Event Title:ICAS 28th Congress of the International Council of the Aeronautical Sciences
Event Location:Brisbane, Australien
Event Type:international Conference
Event Dates:23.-29. Sep. 2012
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures & Materials (old)
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Computer Supported Component Design
Deposited By: Kaden, Markus
Deposited On:17 Dec 2012 15:06
Last Modified:17 Dec 2012 15:06

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