Working Groups and work

COFREND Working Groups

CURRENT WORKING GROUPS

OBJECTIVES

  •  Alternatives to gamma radiography

 Selenium and multi-element UT

  • Simulation in eddy current testing

The purpose of this working group is to offer test cases of eddy current testing numerical simulation that are representative of industrial problems and to provide the associated reference results, normally obtained through experimental measurements on industrial devices.

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  • Tomography

NDT lines - 3D nano/micro tomo IQI

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  • Digital radiography

This working group is attempting to pool the knowledge and experiences of all the Group members to encourage the development of digital radiography in industrial environments.

It is also aiming to provide technological and normative watch and to revise the guide CACT-DT-07-001-R01 “DIGITAL RADIOGRAPHY: GUIDE AND DESCRIPTION BASED ON CHANGES IN TECHNOLOGY”

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  • NDT and Civil engineering

These days, non-destructive testing and evaluation of civil engineering concretes and structures call on fast-developing techniques to meet growing needs.

The purpose of this Working Group is to unite the various professions and structure a national network to promote all existing developments, research and training and make it all coherent. This Working Group is split into four sub-groups

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Moving on from the work of this Working Group, an online questionnaire has been set up to determine the expectations and needs of players in the Civil Engineering sector better.

This is targeting entities that are already members of the NDT and Civil Engineering Working Group and those that wish to join it or be informed about its work.

ONLINE QUESTIONNAIRE

 

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  • EMAT technique

The Electro-Magnetic Acoustic Transducer (EMAT) ultrasound generation technology is not new, but industrial equipment recently reaching the market has resulted in an upsurge in its use.
The Working Group is currently drafting a technical specification to bring this technology into general use.

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  • Good remote visual practices

Launched at the beginning of 2017, this Working Group aims to set out good visual testing practices when operated remotely, through choice or lack of accessibility (endoscope, cameras, etc.).

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  • Composite NDT

The Working Group is concentrating on drafting a technical guide to respond to the constant changes in materials, especially composites.

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  • Non-linear acoustic signatures

Traditional acoustic methods (speed, attenuation) lack sensitivity when it is question of detecting the first stages of damage.
The goal of this Working Group is to advise and raise the awareness of manufacturers and non-initiated researchers to the advantages and limitations of the various non-linear acoustic methods.

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  • NDT Robotics

This Working Group has just been launched.

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WORKING GROUPS TERMINATED

  • Matrix phased-array assembly

This Working Group is more focused on standardisation and has set itself three major objectives:

- Obtain a coherent 18563-1, -2, -3 trilogy on matrix phased-array probes, just like for the 12668-1, -2, -3 trilogy.

- Extend the scope of the current part 3 of standard NF EN ISO 18563 to systems with matrix probes.

- Simplify the current standard.

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  • Probability of Detection (POD)

This involves good practices for this technique. The current work hinges on:

- Acting as a forum for technical discussions and sharing experiences: state of the art, methodology, R&D, etc.

- Facilitating the broadcasting of technical information about this approach throughout the French NDT community.

- Drafting a document: educational and self-sustaining guide for anyone wishing to familiarise themselves with pods.

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  • Alternatives to Penetrant testing and Magnetic particle testing

This working group deals with methods with performances comparable to magnetic particle testing and penetrant testing.
Its goal is to define those more able to respond to an industrial problem where using one of the reference methods is no longer deemed desirable.

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  • Eddy current array probes

Objective achieved: drafting a normative document as a supplement to existing standards

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  • TOFD

- Working Group terminated at end 2014 with involvement in two standards (EN/ISO 10863 (sensitivity adjustments) and EN/ISO 1526 (scoring threshold added) and also a project on matrix phased-array probes (draft standard sent to AFNOR).

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- Drafting a COFREND technical guide, available from our publisher.

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  • MATRIX PHASED-ARRAY PROBES

Working Group terminated: drafting and publication of a standard.

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  • LED LIGHTING IN PENETRANT AND MAGNETIC PARTICLE TESTING

- Drafting and publishing a good practices guide on lighting in PT and MT - COFREND

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- This guide is available from our publisher.

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