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Marengo, J.A.; Ruch, M.; Spinosa, C.
Proceedings CORENDE: Regional congress on nondestructive and structural evaluation1997
Proceedings CORENDE: Regional congress on nondestructive and structural evaluation1997
AbstractAbstract
[en] Electromagnetic nondestructive techniques are usually applied to solve many inspection problems in industry. In particular, eddy currents are used for the detection of defects and the characterization of physical properties of metallic materials and components. One such application is the measurement of thickness of non conductive layers on a conducting substrate. A laboratory device for the quantitative determination of those thicknesses was developed at our laboratory. It works in the range from 0 to 100 μm and was calibrated with a micro metre screw. This task involved the design and construction of the sensors their characterization (working frequency, resolution, sensitivity, etc.) and the setup of the mechanical system and the electronic signal generation and measurement circuit. (author)
[es]
Las tecnicas electromagneticas se aplican para resolver diversos problemas en la industria. En metalurgia, la utilizacion de corrientes inducidas permite detectar defectos y caracterizar propiedades fisicas en materiales y componentes. En particular, una de las aplicaciones es la medicion de espesores de capas de recubrimientos aislantes sobre sustrato conductor. Se desarrollo en laboratorio un dispositivo para efectuar un analisis cuantitativo de estos espesores. En la calibracion del mismo se utilizo un tornillo micrometrico. Los espesores a medir estaban en un rango entre 0 y 100 μm. La implementacion de tal sistema involucro el diseno de los sensores de medicion, la construccion de los mismos, el estudio de sus caracteristicas (frecuencia de trabajo, resolucion, sensibilidad, etc.) y la puesta a punto del sistema mecanico y del circuito electronico de generacion de senal y medidas, usados para la realizacion de la tarea. (autor)Original Title
Caracterizacion no destructiva de recubrimientos superficiales sobre materiales no ferromagneticos
Primary Subject
Source
Comision Nacional de Energia Atomica, Buenos Aires (Argentina); Universidad Tecnologica Nacional, Mendoza (Argentina). Facultad Regional; 424 p; 1997; p. 277-281; CORENDE: Regional congress on nondestructive and structural evaluation; CORENDE: Congreso regional de ensayos no destructivos y estructurales; Mendoza (Argentina); 27-30 Oct 1997; 5 refs., 11 figs.
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