Design and Comparison of Directional Transmit to Differential Receiver (Tx-dRx) Eddy-Current Probe for In-Line Monitoring of Automated Fibre Placement

Citation Author(s):
Meirbek
Mussatayev
Assistant Professor, Department of Aviation Technique and Technologies, Civil Aviation Academy, Kazakhstan
Submitted by:
Meirbek Mussatayev
Last updated:
Fri, 03/28/2025 - 19:44
DOI:
10.21227/1rpn-h773
License:
Creative Commons Attribution
19 Views
Categories:
Sensors
Keywords:
Eddy current testing; non-destructive evaluation; probe optimisation; uncured composite; automated fibre placement
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Abstract 

This research examines the creation and evaluation of directional eddy current probes designed to identify in-plane waviness in uncured carbon fibre reinforced polymers (CFRP). A new finite element modeling technique was used to precisely replicate current density distortions caused by waviness. A sample made from uncured IM7/8552 prepreg with in-plane waviness on its top layer was produced

Instructions: 

Supporting data relevant to the journal publication:

Design and Comparison of Directional Transmit to Differential Receiver (Tx-dRx) Eddy-Current Probe for In-Line Monitoring of Automated Fibre Placement

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by M. Mussatayev, Qiuji Yi, Paul D. Wilcox and  Robert R. Hughes, 2025, Composite Part B journal.

 

Read-me written by Dr M. Mussatayev, School of Electrical, Electronic and Mechanical Engineering, University of Bristol - 0000-0001-9563-8805 (ORCID number)

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This folder contains 3 folders, each including .mat data files and .m code files from experimental and simulation results. Matlab is required to read the .mat files. Details of each folder sub-contents are detailed below:

 

 

 

- Four Probe Evaluation Experimental ResultsContains 4 subfolders each with 20 .mat files of experimental eddy current scan results of uncured CFRP inspection using single-dRCT,8-dRCT, 8-dSQR0 and 8-dSQR90 probes.

 

- Lift-off Sensitivity ExperimentsContains 32 .mat files of experimental eddy current scan results of uncured CFRP sample obtained with lift-off distance ranging from 0.1 to 10 mm for the 8-dSQR0 probe configuration.

 

- Current Density Distortion SimulationsContains 2 files, each including .mat data and .m code files from simulation results.

Funding Agency: 
EPSRC project Certification for Design Reshaping the Testing Pyramid
Grant Number: 
EP/S017038/1

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The eddy current raw data

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