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Content archived on 2024-05-29

Development of optical NDT techniques and automated defect detection

Objective

This project aims to
- Develop NDT optical methods far beyond existing capabilities, in particular, moiré interferometry and speckle shearography.
- Develop automated defect recognition and auto-sentencing algorithms used in interpreting NDT images.

High-density moiré has been used in characterising nano and micro scale mechanical behaviour of materials in previous work. This project seeks to build on and extensively develop this work so as to transport the method from optical laboratory and render it suitable for detecting flaws in engineering structure and materials during manufacture and in-service.

Efforts will be focused on improving a technique--deformed specimen grating replication--for in-situ measurements and developing algorithms to enhance the fringe quality. Speckle shearography has been shown to detect successfully defects in composite materials but results can be very subjective and requires skill and experience to correctly characterise indications.

Here the emphasis will be on optimising t he associated optical set-ups, developing new algorithms to improve defect detection and characterisation, and improving repeatability and ease of use.

The project will also seek to develop algorithms for automated defect detection. Methods such as multi-variant analysis and neural networks etc will be used to automatically analyse NDT images to identify potential defects.

The host organisation, TWI, has been working closely with SMEs across Europe to develop new NDT techniques for many years. Projects have successfully involved the whole supply chain including SMEs, RTDs and LE end users. TWI's 6500 membership base will ensure that the fellow will be exposed to a wide range of potential contributors and end users.

This project will benefit end-users across a range of industries by developing new optical NDT methods, improving probability of detection (POD), increasing sensitivity to defects and reducing the likelihood of misinterpretation.

Fields of science (EuroSciVoc)

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Keywords

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Topic(s)

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Call for proposal

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FP6-2005-MOBILITY-7
See other projects for this call

Funding Scheme

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IIF - Marie Curie actions-Incoming International Fellowships

Coordinator

TWI LTD
EU contribution
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

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