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Compensating process-induced distortions of composite structures: A short communication

Kappel, Erik (2018) Compensating process-induced distortions of composite structures: A short communication. Composite Structures, pp. 67-71. Elsevier. DOI: 10.1016/j.compstruct.2018.02.059 ISSN 0263-8223

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Abstract

Dimensional non-conformance of fabricated parts is an issue in composite manufacturing. Numerous studies have been performed, focusing on simulation-based distortion prediction. In these studies it is implicitly assumed that a simple update of the nominal tool shape leads to parts in nominal shape. However, unsatisfactory little effort has been spent to prove this assumption experimentally. The present paper reports on the experimental validation of a prediction-based tool compensation process for an integral box structure which showed a complex distortion behavior in an earlier study. The nonlinearity of a spring-in compensation is analytically demonstrated and its relevance is discussed

Item URL in elib:https://elib.dlr.de/125051/
Document Type:Article
Title:Compensating process-induced distortions of composite structures: A short communication
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kappel, Erikerik.kappel (at) dlr.dehttps://orcid.org/0000-0002-8760-8451
Date:23 February 2018
Journal or Publication Title:Composite Structures
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :10.1016/j.compstruct.2018.02.059
Page Range:pp. 67-71
Publisher:Elsevier
ISSN:0263-8223
Status:Published
Keywords:Layered structures Process-induced distortions (PID) Autoclave manufacturing Tool compensation
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 - Simulation and Validation, L - Structures and Materials
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Functional Lightweight Structures
Deposited By: Kappel, Dr.-Ing. Erik
Deposited On:14 Dec 2018 07:59
Last Modified:14 Dec 2018 07:59

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