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6. Special penetrant testing materials
In addition to the "high-temperature" and "low-temperature" penetrant testing materials mentioned in Chapter 1.4, other penetrant testing products have been developed to meet needs not met by "standard" materials.
6.1 Thixotropic materials
The advantage of fluorescent, colour contrast or dual-purpose thixotropic penetrants is that they remain fixed in the areas to be inspected, eliminating the risk of migration into areas where removal would be difficult or impossible, or into areas not compatible with penetrants (painted areas, for example).
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Special penetrant testing materials
Main industrial uses
Bibliography
Events
COFREND Days (French Confederation for Non-Destructive Testing) take place every three years in a French city chosen by COFREND. Those celebrating COFREND's 50th anniversary took place from May 30 to 1 er June 2017 at the Palais des Congrès in Strasbourg. The COFREND 2020 Days were cancelled due to the health and economic context, which had a strong impact on event activities in France....
Websites
CHEMIN Pierre and DUBOSC Patrick – 190 articles on penetrant testing and magnetic particle inspection, in French and English (2020):
https://membres.isgroupe.com/actualite/web/ressuage-26122020
Penetrant Testing Blog:
Standards
- Non-destructive testing – Terminology – Part 1: List of general terms - EN 1330-1 - 2015
- Non-destructive testing – Terminology – Part 2: Terms common to the non-destructive testing methods - EN 1330-2 - 1999
- Non-destructive testing – Penetrant testing – Vocabulary - ISO 12706 - 2010
- Non-destructive testing – Penetrant testing and magnetic particle testing – Viewing conditions - ISO 3059 - 2013
- Non-destructive...
Directory
NDT Resource Center, Center for Nondestructive Evaluation, Iowa State University, Ames, Iowa 50011, USA. Penetrant testing
CHEMIN Pierre and DUBOSC Patrick – 190 articles on penetrant testing and magnetic particle inspection, in French and English (2020):
https://membres.isgroupe.com/actualite/web/ressuage-26122020
...Statistical and economic data
1. COFREND certification
Penetrant testing is the NDT method with the highest number of certified agents worldwide. The results for 2020 are as follows.
The statistics presented in this document are based on data extracted from GERICCO, the COFREND certification management tool. This tool is constantly updated by COFREND-approved examination centres as candidates...
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