{"id":68326,"date":"2018-03-09T22:56:48","date_gmt":"2018-03-09T22:56:48","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/aplicacion-de-tecnicas-opticas-para-la-deteccion-de-puntos-calientes-y-procesos-de-degradacion-superficial-en-materiales-superconductores-ceramicos\/"},"modified":"2018-03-09T22:56:48","modified_gmt":"2018-03-09T22:56:48","slug":"aplicacion-de-tecnicas-opticas-para-la-deteccion-de-puntos-calientes-y-procesos-de-degradacion-superficial-en-materiales-superconductores-ceramicos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/optica\/aplicacion-de-tecnicas-opticas-para-la-deteccion-de-puntos-calientes-y-procesos-de-degradacion-superficial-en-materiales-superconductores-ceramicos\/","title":{"rendered":"Aplicaci\u00f3n de t\u00e9cnicas \u00f3pticas para la detecci\u00f3n de puntos calientes y procesos de degradaci\u00f3n superficial en materiales superconductores cer\u00e1micos"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Sara Recuero Iba\u00f1ez <\/strong><\/h2>\n<p>En este trabajo se ha aplicado la fotograf\u00eda de moteado para el estudio de los procesos de degradaci\u00f3n por la interacci\u00f3n con la humedad ambiental en materiales superconductores masivos y la interferometr\u00eda de moteado, en el estudio de las inestabilidades que se producen en materiales superconductores  se ha puesto a punto la t\u00e9cnica de fotograf\u00eda de moteado para el estudio de la degradaci\u00f3n superficial de materiales y se ha aplicado la t\u00e9cnica al estudio de materiales superconductores de bi-2212 en atm\u00f3sferas con humedad. Las diferencias entre un tipo de muestras y otro se han podido detectar en tiempos mucho m\u00e1s cortos y esta t\u00e9cnica \u00f3ptica ha permitido analizar localmente la evoluci\u00f3n del proceso de degradaci\u00f3n en cada punto de la muestra.  se ha demostrado la viabilidad de aplicar la interferometr\u00eda de moteado, t\u00e9cnica no intrusiva, para la localizaci\u00f3n de inhomogeneidades en la transici\u00f3n al estado normal de superconductores sin que se degraden las propiedades del material. Se ha aplicado a superconductores masivos de bi-2212 texturados con t\u00e9cnicas de fusi\u00f3n zonal inducida con l\u00e1ser en geometr\u00eda plana y se ha podido detectar en qu\u00e9 puntos de las muestras se inicia la transici\u00f3n al estado normal y realizar posteriormente un an\u00e1lisis microestructural. Se ha adaptado esta t\u00e9cnica para estudiar los procesos de generaci\u00f3n de quench en cintas de segunda generaci\u00f3n de ybacuo llegando a la conclusi\u00f3n de que el quench no siempre se inicia en los puntos del material con los valores m\u00e1s bajos de corriente cr\u00edtica.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Aplicaci\u00f3n de t\u00e9cnicas \u00f3pticas para la detecci\u00f3n de puntos calientes y procesos de degradaci\u00f3n superficial en materiales superconductores cer\u00e1micos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Aplicaci\u00f3n de t\u00e9cnicas \u00f3pticas para la detecci\u00f3n de puntos calientes y procesos de degradaci\u00f3n superficial en materiales superconductores cer\u00e1micos <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Sara Recuero Iba\u00f1ez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 28\/11\/2008<\/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>Nieves Andr\u00e9s Gimeno<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: isabel Arias tobalina <\/li>\n<li>virginia Palero diaz (vocal)<\/li>\n<li>Francisco Lera Garc\u00eda (vocal)<\/li>\n<li>Mar\u00eda  pilar Arroyo de grandes (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Sara Recuero Iba\u00f1ez En este trabajo se ha aplicado la fotograf\u00eda de moteado para el estudio de [&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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