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Induction technique in manufacturing preforms

Frauenhofer, Michael and Ströhlein, Tobias and Fabig, Stefan and Dilger, Klaus and Herbeck, Lars and Böhm, Stefan (2008) Induction technique in manufacturing preforms. Mechanics of Composite Materials, 44 (5), pp. 523-530. Springer New York. DOI: 10.1007/s11029-008-9040-y ISSN 0191-5665 (Print) 1573-8922 (Online)

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Official URL: http://www.springerlink.de/content/h42l717323025m42/?p=d0b2194280c34fea91c35c0ca2e0a9d6&pi=0


The prepreg technology is a state-of-the-art method to produce high-performance CFRP parts. Due to the high material prices, the restricted process rate, and limitations to the component complexity, in future, more and more parts will be assembled by using liquid composite moulding. Especially in the case of series larger than 100 parts per year, the LCM technology offers the best cost-effectiveness. This technology is based on resin injection into dry multilayer fibre textiles (preforms). The Institute of Joining and Welding (TU, Braunschweig), together with the Institute of Composite Structures and Adaptive Systems (DLR), has elaborated a new technology to speed up the preform process, which is the most labour-intensive step within the LCM process chain. A novel concept to consolidate binder-coated fabrics is under development. By applying the high energy transfer rate of induction technology, it is possible to heat up a preform with rates up to 50 K/s to melt the binder and consolidate the preform.

Item URL in elib:https://elib.dlr.de/55052/
Document Type:Article
Title:Induction technique in manufacturing preforms
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Frauenhofer, MichaelTU-Braunschweig/ifsUNSPECIFIED
Fabig, StefanTU-Braunschweig/ifsUNSPECIFIED
Dilger, KlausTU-Braunschweig/ifsUNSPECIFIED
Böhm, StefanTU-Braunschweig/ifsUNSPECIFIED
Date:29 November 2008
Journal or Publication Title:Mechanics of Composite Materials
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1007/s11029-008-9040-y
Page Range:pp. 523-530
Publisher:Springer New York
Series Name:Mechanics of Composite Materials
ISSN:0191-5665 (Print) 1573-8922 (Online)
Keywords:Induktives Erwärmen, Preform, LCM, RTM, Composite, Faserverbundtechnolologie, Herstellungsverfahren, elektromagnetische Erwärmung, carbon fibres - fabrics/textiles - structural composite - resin transfer moulding (RTM) - preform process - liquid composite moulding (LCM)
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L - no assignment
DLR - Research theme (Project):L - no assignment (old)
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems
Institute of Composite Structures and Adaptive Systems > Composite Technology
Deposited By: Ströhlein, Tobias
Deposited On:13 Feb 2009
Last Modified:27 Apr 2009 15:11

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