4. Penetrant testing
4.1 Principle
Penetrant testing is a term used to describe the extraction of a fluid from a discontinuity in which it has previously accumulated during an impregnation operation. Impregnating a crack with a liquid, taking advantage of its tensio-superficial properties, leads, by means of penetrant testing prior to visual observation, to a means of searching for surface defects that is among the oldest, simplest and most widely used today.
The mechanism for revealing defects by penetrant testing corresponds to the three phases illustrated in figure 7 : application of the penetrant followed by an impregnation time, removal...
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Penetrant testing
Magnetic leakage flux processes
Bibliography
References
Optics
Thesis
- - http://www.sudoc.abes.fr
- LIEBEAUX (N.) - Contribution à la modélisation de capteurs electromagnétiques : Application au contrôle non destructif par courants de Foucault. - Université de Paris-Sud (2002)....
Standardization
French standards
Association française de normalisation AFNOR http://www.boutique.afnor.fr
Non-destructive testing. Recueil AFNOR 2003.
- Essais non destructifs - Qualification et certification du personnel END - Principes généraux. - NF EN 473 - 12.00
Penetrant testing
- Essais non destructifs - Examen par ressuage - Partie 1 : principes généraux. (A09-120) - NF EN 571-1...
Organizations
COFREND Confédération française pour les essais non destructifs. - http://www.cofrend.com
The American Society of non-destructive techniques. - http://www.asnt.org
Radiation protection regulations
Decree 2003-296 of March 31, 2003 on the protection of workers against the dangers of ionizing radiation.
Decree 2002-460 of April 4, 2002 on the general protection of people against the dangers of ionizing radiation.
Decree 2001-215 of March 8, 2001 amending Decree 66-450 of June 20, 1966 on the general principles of protection against ionizing radiation....
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