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Advancement in technology and specific safety design methodologies of carbon composite aeronautical primary structures

Kindervater, C. (2001) Advancement in technology and specific safety design methodologies of carbon composite aeronautical primary structures. Reinforced Plastics, Karlovy Vary, Tschechien, 22-24 Mai 2001.

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Abstract

The presentation considers recent advancements in technology aspects of carbon composite primary structures in aeronautics. It comprises recent developments of carbon polymer systems and modern textile preforms. Further structural weight and cost savings are expected by the development of multifunctional design concepts using concurrent engineering processes and applying innovative manufacturing techniques with high potential for automation. As examples, vacuum assisted resin infusion outside the autoclave (VARI process) and vacuum consolidation manufacturing with the thermoplastic carbon fibre/PEEK system are presented. Both processes show up ro 30 % cost savings compared to conventional prepreg technology. Multifunctional and integrated design also considers safety aspects such as fireworthiness, crashworthiness, high velocity impacts (HVI) caused by bird strike, hail stones, tyre and runway debris, and engine debris. Recent developments in safety design, qualification and certification procedures with support of numerical simulation techniques comprising new composite material damage modelling for crash and HVI will be demonstrated by examples.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2001,
Title:Advancement in technology and specific safety design methodologies of carbon composite aeronautical primary structures
Authors:
AuthorsInstitution or Email of Authors
Kindervater, C.UNSPECIFIED
Date:2001
Status:Published
Keywords:CFRP, CFK, processing, low cost, vacuum assisted resin infusion, VARI, crashworthiness, impact, modelling, simulation
Event Title:Reinforced Plastics, Karlovy Vary, Tschechien, 22-24 Mai 2001
Organizer:Ashland, Neste Chemicals & Reichhold
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L ST - Starrflüglertechnologien
DLR - Research theme (Project):UNSPECIFIED
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 22:21

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