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Resumen Se describe el efecto de un campo magnetico uniforme en materiales conductores, y como estos apantallan el campo que los atraviesa. Con el fin de crear dicho campo,se energiza una bobina que encierra el material apantallador y la bobina sensor de campo magnetico, mediante una senal sinusoidal producida por un generador de senales con una tension de 10 [Vp]. La medida del campo magnetico se realiza de manera indirecta ubicando una bobina como sensor en el centro de una bobina de diametro mayor, realizando la medida de tension en el sensor, de tal manera que al colocar un material apantallador que encierre la bobina se reduzca el campo magnetico en su interior y, por ende, la tension inducida en la bobina. Los materiales apantalladores que se emplearon fueron: acero, aluminio, hierro y cobre, la eficiencia de estos materiales fue estudiada en un rango de frecuencias de 60-100.000 Hz, obteniendo como resultado que el material mas eficiente desde 60- 12.000 Hz es el hierro, y para 32.000-100.000 es el cobre. Abstract This study describes the effect of a uniform magnetic field in conductive materials, and how they shield the magnetic field that travel through them. In order to create such a field, two coilis are energized by a sinusoidal signal produced by a signal generator with a difference of potential of 10 [Vp]. The magnetic field measurement is performed indirectly by placing a coil as a sensor in the center of a larger diameter coil, performing the tension difference of potential measurement on the sensor,in such way that by placing a shielding material that encloses the coil and its sensor, the magnetic field inside is reduced, therefore also diminishes the induced tension in the coil. The shielding materials used were steel, aluminum, iron and copper, the efficiency of these materials was studied in a frequency range from 60 to 100.000 Hz, resulting that iron is more efficient than the others from 60 to 12.000 Hz, and for 32.000-100.000 Hz the best shielding material, was copper.

Estudio de blindaje magnético en materiales conductores en función de la frecuencia.