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3D Terahertz Imaging of Hidden Defects in Oxide Fibre Reinforced Ceramic Composites

Becker, Stefan and Ullmann, Thomas and Busse, Gerhard (2012) 3D Terahertz Imaging of Hidden Defects in Oxide Fibre Reinforced Ceramic Composites. In: 4th International Symposium on NDT in Aerospace. 4th International Symposium on NDT in Aerospace 2012, 13.-15. Nov. 2012, Augsburg, Deutschland.

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Official URL: http://www.ndt.net/article/aero2012/papers/th4a2.pdf

Abstract

WHIPOX™ (Wound highly porous oxide composite) is an innovative alloxide fiber-reinforced ceramic matrix composite for high-temperature applications. We are reporting inspection results generated using fully electronic terahertz sources running at 0.1 THz respectively 0.3 THz in a mobile unit. The system operates in reflection as a frequency modulated continuous wave (FMCW) radar. A comparison of the measured results with investigations using established NDT methods like Xray microCT, lock-in thermography and air coupled ultrasound inspection show the great potential of the new method.

Item URL in elib:https://elib.dlr.de/87651/
Document Type:Conference or Workshop Item (Speech)
Title:3D Terahertz Imaging of Hidden Defects in Oxide Fibre Reinforced Ceramic Composites
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Becker, StefanBecker Photonik GmbHUNSPECIFIED
Ullmann, Thomasthomas.ullmann (at) dlr.deUNSPECIFIED
Busse, GerhardInstitute of Polymer Technology IKT, Univ. StuttgartUNSPECIFIED
Date:2012
Journal or Publication Title:4th International Symposium on NDT in Aerospace
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:composite, WHIPOX, 3D terahertz inspection, non-destructive testing, lock-in thermography, ultrasound inspection, defects
Event Title:4th International Symposium on NDT in Aerospace 2012
Event Location:Augsburg, Deutschland
Event Type:international Conference
Event Dates:13.-15. Nov. 2012
Organizer:Deutsche Gesellschaft für Zerstörungsfreie Prüfung e.V. (DGZfP)
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Research under Space Conditions
DLR - Research area:Raumfahrt
DLR - Program:R FR - Forschung unter Weltraumbedingungen
DLR - Research theme (Project):R - Vorhaben Materialwissenschaftliche Forschung (old)
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Ceramic Composite Structures
Deposited By: Ullmann, Thomas
Deposited On:16 Jan 2014 11:59
Last Modified:31 Jul 2019 19:44

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