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SENSOR GUIDED CURE PROCESSES – A STUDY OF PRODUCTIVITY AND QUALITY OPTIMIZATION POTENTIAL

Liebers, Nico and Stefaniak, Daniel and Kleineberg, Markus and Wiedemann, Martin (2013) SENSOR GUIDED CURE PROCESSES – A STUDY OF PRODUCTIVITY AND QUALITY OPTIMIZATION POTENTIAL. THE 19TH INTERNATIONAL CONFERENCE ON COMPOSITE MATERIALS (ICCM), 28. Juli - 02. Aug. 2013, Montreal, Kanada.

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Abstract

In this paper the results of a series of trials are discussed, where prepreg test panels are processed in an autoclave under different cure cycles while their cure progress is monitored by ultrasound sensors. The in-house developed sensors were applied to the mould at four different locations and used to monitor the cure progress throughout the complete autoclave process. The produced panels were inspected visually and by ultrasound scan and then tested for glass transition temperature and by three-point flexural tests. The manufacturer’s recommended cure cycle is used as reference for the process variations and the results of cure monitoring and thermal and mechanical tests for designing optimized processes. The main goals of these investigations are the determination of the time saving potential of sensor guided processes and validation that similar mechanical properties are achieved.

Item URL in elib:https://elib.dlr.de/84723/
Document Type:Conference or Workshop Item (Speech)
Title:SENSOR GUIDED CURE PROCESSES – A STUDY OF PRODUCTIVITY AND QUALITY OPTIMIZATION POTENTIAL
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Liebers, NicoUNSPECIFIEDUNSPECIFIED
Stefaniak, DanielUNSPECIFIEDUNSPECIFIED
Kleineberg, MarkusUNSPECIFIEDUNSPECIFIED
Wiedemann, MartinUNSPECIFIEDUNSPECIFIED
Date:July 2013
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:composite production, cure monitoring, sensor guided process, process optimization
Event Title:THE 19TH INTERNATIONAL CONFERENCE ON COMPOSITE MATERIALS (ICCM)
Event Location:Montreal, Kanada
Event Type:international Conference
Event Dates:28. Juli - 02. Aug. 2013
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: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems
Deposited By: Böhringer-Thelen, Isolde
Deposited On:21 Oct 2013 19:13
Last Modified:08 May 2014 23:29

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