G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 29/24 (2006.01) G01N 29/26 (2006.01) G01N 29/28 (2006.01) G10K 11/34 (2006.01)
Patent
CA 2721255
The invention relates to an ultrasonic contact transducer comprising multiple elements, a flexible shoe and a profilometer. This transducer is applicable in particular for the non-destructive testing of an object and comprises: an array of elements (10) rigidly fastened together, at least some of which serve as ultrasound emitters; a shoe (6), at least the front face of which is flexible so as to be able to be applied against the surface of the object (2) and the rear face of which is fastened to the array of elements; and a profilometer (8) for measuring surface variations and for delivering signals representative of said surface variations, in order to allow the emitters to generate a focussed ultrasonic beam (F), the characteristics of which are controlled relative to the object.
Traducteur ultrasonore de contact, à éléments multiples, sabot flexible et prof ilomètre. Ce traducteur s'applique notamment au contrôle non destructif d'un objet et comprend : un ensemble d'éléments (10) rigidement solidaires les uns des autres dont au moins une partie servent d'émetteurs d'ultrasons, un sabot (6) dont au moins la face avant est flexible pour être applicable contre la surface de l'objet (2) et dont la face arrière est rendue solidaire de l'ensemble des éléments, et un profilomètre (8) pour mesurer des variations de la surface et fournir des signaux représentatifs de celles-ci pour permettre aux émetteurs d'engendrer un faisceau ultrasonore focalisé (F) dont les caractéristiques sont maîtrisées par rapport à l'objet.
Commissariat A. L'energie Atomique Et Aux Energies Alternatives
Goudreau Gage Dubuc
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