Development and Application of Eddy Current Sensor Arrays for Process Integrated Inspection of Carbon Fibre Preforms

This publication presents the realisation of a sensor concept, which is based on eddy current testing, to detect textile defects during preforming of semi-finished carbon fibre parts. The presented system has the potential for 100% control of manufactured carbon fibre based components, allowing the...

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Main Authors: Dietrich Berger, Gisela Lanza
Format: Article
Language:English
Published: MDPI AG 2017-12-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/18/1/4
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author Dietrich Berger
Gisela Lanza
author_facet Dietrich Berger
Gisela Lanza
author_sort Dietrich Berger
collection DOAJ
description This publication presents the realisation of a sensor concept, which is based on eddy current testing, to detect textile defects during preforming of semi-finished carbon fibre parts. The presented system has the potential for 100% control of manufactured carbon fibre based components, allowing the immediate exclusion of defective parts from further process steps. The core innovation of this system is given by the high degree of process integration, which has not been implemented in the state of the art. The publication presents the functional principle of the sensor that is based on half-transmission probes as well as the signals that can be gained by its application. Furthermore, a method to determine the optimum sensor resolution is presented as well as the sensor housing and its integration in the preforming process.
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spelling doaj.art-fbf9cd3e0ecd472cb299e90840321aae2022-12-22T02:54:02ZengMDPI AGSensors1424-82202017-12-01181410.3390/s18010004s18010004Development and Application of Eddy Current Sensor Arrays for Process Integrated Inspection of Carbon Fibre PreformsDietrich Berger0Gisela Lanza1Karlsruhe Institute of Technology (KIT), wbk Institute of Production Science, 76131 Karlsruhe, GermanyKarlsruhe Institute of Technology (KIT), wbk Institute of Production Science, 76131 Karlsruhe, GermanyThis publication presents the realisation of a sensor concept, which is based on eddy current testing, to detect textile defects during preforming of semi-finished carbon fibre parts. The presented system has the potential for 100% control of manufactured carbon fibre based components, allowing the immediate exclusion of defective parts from further process steps. The core innovation of this system is given by the high degree of process integration, which has not been implemented in the state of the art. The publication presents the functional principle of the sensor that is based on half-transmission probes as well as the signals that can be gained by its application. Furthermore, a method to determine the optimum sensor resolution is presented as well as the sensor housing and its integration in the preforming process.https://www.mdpi.com/1424-8220/18/1/4carbon fibre preformseddy current testingin-process quality inspection
spellingShingle Dietrich Berger
Gisela Lanza
Development and Application of Eddy Current Sensor Arrays for Process Integrated Inspection of Carbon Fibre Preforms
Sensors
carbon fibre preforms
eddy current testing
in-process quality inspection
title Development and Application of Eddy Current Sensor Arrays for Process Integrated Inspection of Carbon Fibre Preforms
title_full Development and Application of Eddy Current Sensor Arrays for Process Integrated Inspection of Carbon Fibre Preforms
title_fullStr Development and Application of Eddy Current Sensor Arrays for Process Integrated Inspection of Carbon Fibre Preforms
title_full_unstemmed Development and Application of Eddy Current Sensor Arrays for Process Integrated Inspection of Carbon Fibre Preforms
title_short Development and Application of Eddy Current Sensor Arrays for Process Integrated Inspection of Carbon Fibre Preforms
title_sort development and application of eddy current sensor arrays for process integrated inspection of carbon fibre preforms
topic carbon fibre preforms
eddy current testing
in-process quality inspection
url https://www.mdpi.com/1424-8220/18/1/4
work_keys_str_mv AT dietrichberger developmentandapplicationofeddycurrentsensorarraysforprocessintegratedinspectionofcarbonfibrepreforms
AT giselalanza developmentandapplicationofeddycurrentsensorarraysforprocessintegratedinspectionofcarbonfibrepreforms