Please use this identifier to cite or link to this item: doi:10.22028/D291-39211
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Title: Nondestructive Testing of a Complex Aluminium-CFRP Hybrid Structure with EMAT and Thermography
Author(s): Schwarz, Michael
Schwarz, Mathias
Herter, Simon
Herrmann, Hans-Georg
Language: English
Title: Journal of Nondestructive Evaluation
Volume: 38
Issue: 1
Publisher/Platform: Springer Nature
Year of Publication: 2019
Free key words: Composite materials
DDC notations: 500 Science
Publikation type: Journal Article
Abstract: A new concept of an aluminium-CFRP (carbon-fbre-reinforced-polymer) hybrid structure with integrated thermoplastic layer is introduced in this work. The occurring interfaces between the three materials are characterised with fash thermography and ultrasonic testing with electromagnetic acoustic transducer (EMAT). Thermography is able to detect artifcial integrated defects in inner layers of the CFRP component and to characterise the bonding quality of the interface between the CFRP and the thermoplastic layer. Additionally a POD model (probability of detection) provides the smallest detectable size a90/95 of gapping defects in the CFRP with 5.184 mm diameter. This work shows that a characterisation of the deeper interface between the aluminium and the thermoplastic layer is possible despite the small and complex geometry. Furthermore the quality of this bonding can be investigated independently of the EMAT’s position. By combining thermography and EMAT the whole complex hybrid structure with its interfaces can be characterised.
DOI of the first publication: 10.1007/s10921-019-0578-5
URL of the first publication:
Link to this record: urn:nbn:de:bsz:291--ds-392119
ISSN: 1573-4862
Date of registration: 3-Mar-2023
Faculty: NT - Naturwissenschaftlich- Technische Fakultät
Department: NT - Materialwissenschaft und Werkstofftechnik
Professorship: NT - Prof. Dr. Hans-Georg Herrmann
Collections:SciDok - Der Wissenschaftsserver der Universität des Saarlandes

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