{"id":57863,"date":"2007-03-04T00:00:00","date_gmt":"2007-03-04T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/propiedades-magneticas-y-estructurales-de-hilo-y-microhilos-magneticos\/"},"modified":"2007-03-04T00:00:00","modified_gmt":"2007-03-04T00:00:00","slug":"propiedades-magneticas-y-estructurales-de-hilo-y-microhilos-magneticos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/magnetismo\/propiedades-magneticas-y-estructurales-de-hilo-y-microhilos-magneticos\/","title":{"rendered":"Propiedades magn\u00e9ticas y estructurales de hilo y microhilos magn\u00e9ticos"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Carlos Garc\u00eda Garc\u00eda <\/strong><\/h2>\n<p>La presente tesis doctoral est\u00e1 dedicada al estudio de las propiedades magn\u00e9ticas y estructurales de hilos amorfos, nanocristalinos y granulares obtenidos por los m\u00e9todos de enfriamiento ultrar\u00e1pido in-rotating-water y taylor-ulitovskiy. Como parte de este estudio se analiza te\u00f3rica y experimentalmente el efecto de las inclusiones de microhilos ferromagn\u00e9ticos amorfos en una matriz no magn\u00e9tica, y como su dependencia de la impedancia con la frecuencia puede ser modificada mediante la aplicaci\u00f3n de campos magn\u00e9ticos y tensiones mec\u00e1nicas externas.      la t\u00e9cnica de in-rotating-water ha sido aplicada para la fabricaci\u00f3n de microhilos ferromagn\u00e9ticos amorfos con un car\u00e1cter magnetoestrictivo dependiente fundamentalmente dela composici\u00f3n. As\u00ed uno de los objetivos de esta tesis es estudiar el efecto sobre las propiedades magn\u00e9ticas y estructurales dela miniaturizaci\u00f3n del di\u00e1metro del hilo mediante le procesado cold-drawn (estiramiento en fri\u00f3).     por otra parte, la t\u00e9cnica de taylor-ulitovskiy permite la fabricaci\u00f3n de microhilos formados por una fina capa v\u00edtrea y un n\u00facleo met\u00e1lico de diferentes composiciones, que determinan su car\u00e1cter amorfo, nanocristalino o granular. Destacar que tanto la composici\u00f3n como la raz\u00f3n geom\u00e9trica entre el n\u00facleo met\u00e1lico y la capa v\u00edtrea resultaran ser factores fundamentales en el comportamiento magn\u00e9tico. el estudio de los microhilos ferromagn\u00e9ticos amorfos se centra en la influencia de la capa externa del n\u00facleo met\u00e1lico, que depende del car\u00e1cter magnetoestrictivo de la muestra. Por otra parte se estudian tambi\u00e9n microhilos de car\u00e1cter nanoestructurado, destacando tanto aquellos compuestos pro una matriz amorfa ferromagn\u00e9tica con peque\u00f1os nanocristales insertos, como los microhilos de car\u00e1cter granular caracterizados por que peque\u00f1as part\u00edculas ferromagn\u00e9ticas inmersas en una matriz conductora. a lo largo de este trabajo se muestran desecadas aplicaciones tecnol\u00f3gicas basadas en<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Propiedades magn\u00e9ticas y estructurales de hilo y microhilos magn\u00e9ticos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Propiedades magn\u00e9ticas y estructurales de hilo y microhilos magn\u00e9ticos <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Carlos Garc\u00eda Garc\u00eda <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 03\/04\/2007<\/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>Olesksander Chyzhyk<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juli\u00e1n Mar\u00eda Gonz\u00e1lez est\u00e9vez <\/li>\n<li>vladimirovna Panina larissa (vocal)<\/li>\n<li>blanca Hernando grande (vocal)<\/li>\n<li>rastislav Varga (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Carlos Garc\u00eda Garc\u00eda La presente tesis doctoral est\u00e1 dedicada al estudio de las propiedades magn\u00e9ticas y estructurales [&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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