{"id":81686,"date":"2018-03-10T00:05:33","date_gmt":"2018-03-10T00:05:33","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/caracterizacion-de-las-propiedades-magneticas-de-vidrios-metalicos-en-forma-de-microhilos-de-composicion-fex-co100-x725-si125-b15\/"},"modified":"2018-03-10T00:05:33","modified_gmt":"2018-03-10T00:05:33","slug":"caracterizacion-de-las-propiedades-magneticas-de-vidrios-metalicos-en-forma-de-microhilos-de-composicion-fex-co100-x725-si125-b15","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/caracterizacion-de-las-propiedades-magneticas-de-vidrios-metalicos-en-forma-de-microhilos-de-composicion-fex-co100-x725-si125-b15\/","title":{"rendered":"Caracterizaci\u00f3n de las propiedades magn\u00e9ticas de vidrios met\u00e1licos en forma de microhilos, de composici\u00f3n  (fex co100-x)72,5 si12,5 b15"},"content":{"rendered":"<h2>Tesis doctoral de <strong> H\u00e9ctor Garc\u00eda Miquel <\/strong><\/h2>\n<p>El trabajo realizado consiste fundamentalmente en la fabricaci\u00f3n y caracterizaci\u00f3n morfol\u00f3gica, estructural, man\u00e9tica y de absorci\u00f3n de potencia a frecuencias de microondas de una nueva familia de materiales magn\u00e9ticos de gran inter\u00e9s tecnol\u00f3gico como son los vidrios met\u00e1licos en forma de michohilos recubiertos por una capa aislante de vidrio. Este trabajo incluye tareas realizadas con t\u00e9cnicas muy diversas, tratando de compaginar experincias de ingenier\u00eda de materiales, de caracterizaci\u00f3n de propiedades magn\u00e9ticas y tecnolog\u00eda de microondas. Estos materiales altamente avanzados requieren el empleo de una tecnolog\u00eda de fabricaci\u00f3n de materiales particularmente compleja, por este motivo se ha querido describir en detalle los aspectos relativos a contorlar la calidad estructural y magn\u00e9tica de los microhilos. En este \u00faltimo aspecto debemos resaltar la obtenci\u00f3n los ciclos de hist\u00e9resis mediante magnet\u00f3metro de muestra vibrante y mediante t\u00e9cnica fluxm\u00e9trica en microhilos individualizados. El estudio de las propiedades de absorci\u00f3n de estos microhilos individualizados. El estudio de las propiedades de absorci\u00f3n de estos microhilos en el rango de microondas es uno de los objetivos que presenta un mayor inter\u00e9s. Por sus aplicaciones  tanto de absorci\u00f3n de radiaci\u00f3n electromagn\u00e9tica de radar, como por su empleo en apantallamiento electromagn\u00e9ticos. Se ha medido la frecuencia de resonancia ferrommagn\u00e9tica de la serie (fe x co 100-x) 72,5 si 1205 b15, obteni\u00e9ndose del an\u00e1lisis de los resultados el campo de anisotrop\u00eda y la imanaci\u00f3n de saturaci\u00f3n. Por \u00faltimo, se ha realizado un estudio sobre el proceso din\u00e1mico de inversi\u00f3n de la imanaci\u00f3n y propagaci\u00f3n de la pared en hilos amorfos biesables de composici\u00f3n fe77,5 si7,5 b15.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Caracterizaci\u00f3n de las propiedades magn\u00e9ticas de vidrios met\u00e1licos en forma de microhilos, de composici\u00f3n  (fex co100-x)72,5 si12,5 b15<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Caracterizaci\u00f3n de las propiedades magn\u00e9ticas de vidrios met\u00e1licos en forma de microhilos, de composici\u00f3n  (fex co100-x)72,5 si12,5 b15 <\/li>\n<li><strong>Autor:<\/strong>\u00a0 H\u00e9ctor Garc\u00eda Miquel <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Valencia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 15\/12\/1999<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Manuel V\u00e1zquez Villalabeitia<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  De los reyes dav\u00f3 el\u00edas <\/li>\n<li>galina Vladimirovna kurlyandskaya (vocal)<\/li>\n<li>Antonio Hernando grande (vocal)<\/li>\n<li>enrique S\u00e1nchez Martinez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de H\u00e9ctor Garc\u00eda Miquel El trabajo realizado consiste fundamentalmente en la fabricaci\u00f3n y caracterizaci\u00f3n morfol\u00f3gica, estructural, man\u00e9tica y [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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