{"id":88787,"date":"2001-08-02T00:00:00","date_gmt":"2001-08-02T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/caracterizacion-mecanica-de-materiales-compuestos-de-base-aleaciones-de-magnesio\/"},"modified":"2001-08-02T00:00:00","modified_gmt":"2001-08-02T00:00:00","slug":"caracterizacion-mecanica-de-materiales-compuestos-de-base-aleaciones-de-magnesio","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/caracterizacion-mecanica-de-materiales-compuestos-de-base-aleaciones-de-magnesio\/","title":{"rendered":"Caracterizaci\u00f3n mec\u00e1nica de materiales compuestos de base aleaciones de magnesio"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Yasser El-saeid Essa <\/strong><\/h2>\n<p>En esta tesis se ha estudiado el efecto que la velocidad de deformaci\u00f3n,la temperatura de ensayo y el tiempo previo de exposici\u00f3n a la temperatura tienen en el comportamiento mec\u00e1nico en tracci\u00f3n y compresi\u00f3n de materiales compuestos de matriz met\u00e1lica. Se han puesto a punto diversas t\u00e9cncias como, por ejemplo, la preparaci\u00f3n de probetas de materiales compuestos para su observaci\u00f3n en microcopio electr\u00f3nico de barrido y el conteo de part\u00edculas de refuerzo en probetas ensayadas. Tambi\u00e9n, se ha puesto a punto diferentes \u00fatiles de ensayo como son un horno acoplable a un sistema de barra hopkinson. Con los dispositivos anteriores se ha realizado una extensa campa\u00f1a de ensayos sobre dos aleaciones de magnesio reforzadas con part\u00edculas de sic y se ha estudiado la variaci\u00f3n de los par\u00e1metros mec\u00e1ncios m\u00e1s importantes en funci\u00f3n de las condiciones del ensayo. Se ha explorado modelos simplificados de celda aplicables a la predicci\u00f3n del comportamiento mec\u00e1ncio de materiales met\u00e1licos reforzados con part\u00edculas. Utilizando este tipo de modelos se han determinado ecuaciones constitutivas aplicables a dichos materiales y en los que se ha reflejado la heterogeneidad de la distribuci\u00f3n de las part\u00edculas observada en el microcopio electr\u00f3nico de barrido. Se ha planteado un tipo de modelo num\u00e9rico aplicable a ensayos de impacto concluy\u00e9ndose sobre su aplicabilidad en este tipo de ensayos. Los resultados de los ensayos se han utilizado para desarrollar ecuaciones constitutivas para la prediccion del comportamiento mec\u00e1ncio de los materiales objeto del estudio. Estas ecuaciones pueden ser usadas en modelos num\u00e9ricos de simulaci\u00f3n de estos materiales en aplicaciones industriales.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Caracterizaci\u00f3n mec\u00e1nica de materiales compuestos de base aleaciones de magnesio<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Caracterizaci\u00f3n mec\u00e1nica de materiales compuestos de base aleaciones de magnesio <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Yasser El-saeid Essa <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Carlos III de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 08\/02\/2001<\/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> P\u00e9rez Castellanos Jos\u00e9 Luis<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Carlos Navarro ugena <\/li>\n<li> Vega Miguel Jos\u00e9 Luis (vocal)<\/li>\n<li>Jos\u00e9 Mar\u00eda Amo ortega (vocal)<\/li>\n<li>Fernando L\u00f3pez mart\u00ednez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Yasser El-saeid Essa En esta tesis se ha estudiado el efecto que la velocidad de deformaci\u00f3n,la temperatura [&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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