{"id":122152,"date":"2024-07-14T20:26:09","date_gmt":"2024-07-14T20:26:09","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/deformacion-plastica-en-oxidos-de-metales-de-transicion-nio-y-coo-a-bajas-temperaturas\/"},"modified":"2024-07-14T20:26:09","modified_gmt":"2024-07-14T20:26:09","slug":"deformacion-plastica-en-oxidos-de-metales-de-transicion-nio-y-coo-a-bajas-temperaturas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/deformacion-plastica-en-oxidos-de-metales-de-transicion-nio-y-coo-a-bajas-temperaturas\/","title":{"rendered":"Deformacion plastica en oxidos de metales de transicion (nio y coo) a bajas temperaturas."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Fernando Guiberteau Cabanillas <\/strong><\/h2>\n<p>Se ha estudiado la deformacion plastica del nio y coo manocristalino en el dominio de bajas temperaturas especialmente alrededor de la temperatura de transicion de neel. Para cada material se han preparado muestras con dos orientaciones diferentes  que han sido sometidas a ensayos de compresion uniaxial a velocidad constante permitiendonos evidenciar una cierta anisotropiaplastica cuyas posibles causas se analizan detalladamente.  nuestros resultados aportan la primera prueba experimental en favor de la contribucion de las paredes de dominio en la plasticidad del cristal  asimismo  se proponen en base a los resultados obtenidos los mecanismos que controlan la deformacion en los diferentes rangos de temperaturas para los dos materiales.  las observaciones realizadas por microscopia electronica de transmision de monocristales de coo previamente deformados  nos han permitido poner de manifiesto el importante papel que juegan los precipitados de co sub 3 o sub 4 en la respuesta mecanica del material  estando estos dispuestos coherentemente en la matriz  dependiendo su distribucion del tratamiento termico.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Deformacion plastica en oxidos de metales de transicion (nio y coo) a bajas temperaturas.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Deformacion plastica en oxidos de metales de transicion (nio y coo) a bajas temperaturas. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Fernando Guiberteau Cabanillas <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Extremadura<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1987<\/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>Arturo Dom\u00ednguez Rodr\u00edguez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Rafael M\u00e1rquez Delgado <\/li>\n<li>Cristobal Valenzuela Calahorro (vocal)<\/li>\n<li>Jes\u00fas Cabrera Ca\u00f1o (vocal)<\/li>\n<li>Vicente Hernandez Montis (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Fernando Guiberteau Cabanillas Se ha estudiado la deformacion plastica del nio y coo manocristalino en el dominio [&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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