{"id":85435,"date":"2018-03-10T00:09:53","date_gmt":"2018-03-10T00:09:53","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/microestructura-y-propiedades-de-materiales-ceramicos-de-pzt-preparados-a-partir-de-polvo-modificado-superficialmente-con-fosforo\/"},"modified":"2018-03-10T00:09:53","modified_gmt":"2018-03-10T00:09:53","slug":"microestructura-y-propiedades-de-materiales-ceramicos-de-pzt-preparados-a-partir-de-polvo-modificado-superficialmente-con-fosforo","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/microestructura-y-propiedades-de-materiales-ceramicos-de-pzt-preparados-a-partir-de-polvo-modificado-superficialmente-con-fosforo\/","title":{"rendered":"Microestructura y propiedades de materiales ceramicos de pzt preparados a partir de polvo modificado superficialmente con fosforo."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Celi Apolo Luis Alberto <\/strong><\/h2>\n<p>Se ha obtenido polvo cer\u00e1mico de titanato circonato de plomo (pzt) muy reactivo y con distribuci\u00f3n de tama\u00f1o de poro controlada. Se ha encontrado una correlaci\u00f3n entre la porosidad del polvo inicial y los procesos de descomposici\u00f3n durante la sinterizaci\u00f3n del material compacto. Sobre las part\u00edculas de este polvo cer\u00e1mico se ha realizado el proceso de modificaci\u00f3n superficial con ester fosfato empleando turbinado de alta energ\u00eda. Los materiales cer\u00e1micos de pzt as\u00ed obtenidos presentan microestructura homog\u00e9nea y tama\u00f1o de grano controlado. Adem\u00e1s se observa una disminuci\u00f3n de la temperatura de densificaci\u00f3n y reducci\u00f3n de las p\u00e9rdidas de peso por volatizaci\u00f3n de plomo. Por otro lado, sus propiedades diel\u00e9ctricas y piezoel\u00e9ctricas son comparables a las del material pzt5a comercial, empleado en el dise\u00f1o de actuadores electromec\u00e1nicos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Microestructura y propiedades de materiales ceramicos de pzt preparados a partir de polvo modificado superficialmente con fosforo.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Microestructura y propiedades de materiales ceramicos de pzt preparados a partir de polvo modificado superficialmente con fosforo. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Celi Apolo Luis Alberto <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 29\/06\/2000<\/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 Francisco Fern\u00e1ndez Lozano<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: jose Garcia sole <\/li>\n<li>pedro Duran botia (vocal)<\/li>\n<li>Jos\u00e9 De frutos  vaquerizo (vocal)<\/li>\n<li>  (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Celi Apolo Luis Alberto Se ha obtenido polvo cer\u00e1mico de titanato circonato de plomo (pzt) muy reactivo [&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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