Device for non-destructive testing of a component by...

G - Physics – 01 – N

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G01N 27/87 (2006.01)

Patent

CA 2650829

The invention concerns a device for non-destructive control (1) of a component (4) by analyzing distribution of a leakage magnetic field emitted by the component when it is subjected to an exciting magnetic field, comprising means for generating an exciting magnetic field inside the component to be tested, and means for detecting and measuring the distribution of the magnetic field. The set of means is integrated in a flexible housing (2) to form a device in the form of a flexible coating for being fixed on a region of the surface of the component to be tested (4). The invention is useful for non-destructive testing of aircraft components, but may also be used in all industrial sectors where testing the integrity of components is important, such as the automotive, railway, marine or nuclear industry.

La présente invention concerne un dispositif de contrôle non destructif (1) d'une pièce (4) par analyse de distribution du champ magnétique de fuite émis par la pièce lorsqu'elle est soumise à un champ magnétique d'excitation, comprenant des moyens de génération d'un champ magnétique d'excitation au sein de la pièce à contrôler, et des moyens de détection et de mesure de la distribution du champ magnétique. L'ensemble des moyens est intégré dans un support souple (2) pour former un dispositif sous forme de revêtement souple destiné à venir se fixer sur une zone de la surface de la pièce à contrôler (4). La présente invention trouve des applications pour le contrôle non destructif (CND) des pièces d'aéronef, mais peut être utilisée dans tous les secteurs industriels où le contrôle de l'intégrité des pièces est important, tels que l'automobile, le ferroviaire, la construction navale ou le nucléaire.

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