{"id":68844,"date":"2018-03-09T23:13:15","date_gmt":"2018-03-09T23:13:15","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/nuevos-materiales-percolativos-micro-y-nanoestructurados-batio3-nisrtio3-ni-y-3y-tzp-ni\/"},"modified":"2018-03-09T23:13:15","modified_gmt":"2018-03-09T23:13:15","slug":"nuevos-materiales-percolativos-micro-y-nanoestructurados-batio3-nisrtio3-ni-y-3y-tzp-ni","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/nuevos-materiales-percolativos-micro-y-nanoestructurados-batio3-nisrtio3-ni-y-3y-tzp-ni\/","title":{"rendered":"Nuevos materiales percolativos micro y nanoestructurados (batio3\/ni,srtio3\/ni y 3y-tzp\/ni)"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Esteban Beteg\u00f3n M. F\u00e1tima <\/strong><\/h2>\n<p>1,- se ha conseguido un elevado control de los par\u00e1metros de procesamiento de los compuestos cer\u00e1mica-metal micro y nanoestructurados, batio3\/ni,srtio3\/ni y 3y-tzp\/ni, caracterizados por poseer:  a,- una microestructura homog\u00e9na.  b,- un rango de concentraciones de n\u00edquel (f) en donde se produce un cambio muy significativo de sus propiedades tanto estructurales como funcionales.  c,- una variaci\u00f3n controlada del tama\u00f1o de part\u00edcula tanto cer\u00e1mica como met\u00e1lica que modifica la microestructura y las propiedades finales de los compactos densos obtenidos.  2,- se han estudiado los factores que afectan al crecimiento de las part\u00edculas de estos sistemas compuestos cer\u00e1mica-metal y la repercusi\u00f3n de estas diferentes microestructuras en sus propiedades estructurales y funcionales.  3,- se han conseguido materiales densos 3y-tzp\/ni con tama\u00f1os de part\u00edcula de n\u00edquel entre 25 y 300 nm, seg\u00fan el contenido de n\u00edquel(f), y usando nitrato de n\u00edquel (ii) como precursor de las part\u00edculas de n\u00edquel.  4,- se ha desarrollado un modelo te\u00f3rico basado en la teor\u00eda de la percolaci\u00f3n y en la relaci\u00f3n de hall-petch que justifica la dependencia de la dureza con la concentraci\u00f3n de la fase met\u00e1lica en los compuestos 3y-tzp\/n-ni.  5,- para el compacto 3y-tzp\/n-ni con un 2.5% en volumen de fase met\u00e1lica se ha llegado a una situaci\u00f3n de compromiso entre el n\u00famero de nanopart\u00edculas de n\u00edquel y su tama\u00f1o, alcanz\u00e1ndose valores de dureza 40% por encima del correspondiente a la matriz.  5,- se ha obtenido  un aumento de la tenacidad en las muestras de batio3\/ni sinterizadas a 1300\u00c2\u00bac de hasta 3 veces con respecto al batio3 monol\u00edtico y de 2,5 veces para los mismos compuestos sinterizados a 1350\u00c2\u00bac.  6,- el umbral de precolaci\u00f3n de los compuestos de batio3\/ni, procesados en v\u00eda h\u00famedad y sinterizados a 1300\u00c2\u00bac, se produce a un factor de llenado de fc=0,31 +- 0,015. Con este material se pueden obtener dispositivos que puedan alc<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Nuevos materiales percolativos micro y nanoestructurados (batio3\/ni,srtio3\/ni y 3y-tzp\/ni)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Nuevos materiales percolativos micro y nanoestructurados (batio3\/ni,srtio3\/ni y 3y-tzp\/ni) <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Esteban Beteg\u00f3n M. F\u00e1tima <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 30\/06\/2004<\/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>Jos\u00e9 Serafin Moya Corral<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: vicente Fernandez herrero <\/li>\n<li>Francisco Guitian rivera (vocal)<\/li>\n<li>Manuel Jimenez melendo (vocal)<\/li>\n<li> Rodr\u00edguez barbero Miguel \u00e1ngel (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Esteban Beteg\u00f3n M. F\u00e1tima 1,- se ha conseguido un elevado control de los par\u00e1metros de procesamiento 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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[151016,21510,39760,39761,20394,5517],"class_list":["post-68844","post","type-post","status-publish","format-standard","hentry","category-sin-categoria","tag-esteban-betegon-m-fatima","tag-francisco-guitian-rivera","tag-jose-serafin-moya-corral","tag-manuel-jimenez-melendo","tag-rodriguez-barbero-miguel-angel","tag-vicente-fernandez-herrero"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/68844","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=68844"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/68844\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=68844"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=68844"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=68844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}