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Cost-effective Out-of-Autoclave Manufacturing of Thermoplastic Panels for Aerospace Structures

Doll, Georg and Kotzur, Karola and Horn, Matthias and Chadwick, Ashley and Herrmann, Peter and Steidinger, Katrin (2019) Cost-effective Out-of-Autoclave Manufacturing of Thermoplastic Panels for Aerospace Structures. SAMPE Europe, 17-19 Sep 2019, Nantes, France. ISBN 9789082910117

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Abstract

The process of converting thermoplastic composite material to aerospace structures enjoys a high degree of flexibility, with the correct selection of heating, consolidation, and component integration methods enabling cost-effective manufacturing solutions for a number of aerospace applications. At the Institute for Structures and Design within the German Aerospace Center (DLR), a particular focus has been placed on Out-of-Autoclave (OoA) manufacturing technologies, with one such promising technology being oven consolidation. This paper presents results from an investigation into the influence of prepreg tape and auxiliary materials for an oven consolidation process and their influence on the laminate and surface quality. In addition to the production of individual laminates, thermoplastic welding and brazing technologies enable the integration of additional elements at different stages of the manufacturing process. The integration of stiffening elements into skin structures using these technologies is of particular interest, with amorphous materials such as PEKK6000 being shown to reduce the process temperature by nearly 60°C and provide a wider process window. Through combining these various technological developments, thermoplastic components can hence be produced at a competitive cost, increasing the use in the modern aerospace industry.

Item URL in elib:https://elib.dlr.de/132464/
Document Type:Conference or Workshop Item (Speech)
Title:Cost-effective Out-of-Autoclave Manufacturing of Thermoplastic Panels for Aerospace Structures
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Doll, Georggeorg.doll (at) dlr.deUNSPECIFIED
Kotzur, Karolakarola.kotzur (at) dlr.deUNSPECIFIED
Horn, MatthiasMatthias.Horn (at) dlr.dehttps://orcid.org/0000-0001-5092-2415
Chadwick, AshleyAshley.Chadwick (at) dlr.dehttps://orcid.org/0000-0001-7693-5687
Herrmann, PeterPeter.Herrmann (at) dlr.deUNSPECIFIED
Steidinger, Katrinkatrin.steidinger (at) dlr.deUNSPECIFIED
Date:17 September 2019
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
ISBN:9789082910117
Status:Published
Keywords:Thermoplastic; Out of Autoclave
Event Title:SAMPE Europe
Event Location:Nantes, France
Event Type:international Conference
Event Dates:17-19 Sep 2019
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures and Materials
Location: Stuttgart
Institutes and Institutions:Institute of Materials Research > Metallic Structures and Hybrid Material Systems
Institute of Structures and Design > Design and Manufacture Technologies
Deposited By: Doll, Georg
Deposited On:10 Dec 2019 17:11
Last Modified:12 Dec 2019 09:45

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