{"id":75347,"date":"2005-04-07T00:00:00","date_gmt":"2005-04-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-la-conformacion-de-componentes-aluminio-silicio-en-estado-semisolido\/"},"modified":"2005-04-07T00:00:00","modified_gmt":"2005-04-07T00:00:00","slug":"estudio-de-la-conformacion-de-componentes-aluminio-silicio-en-estado-semisolido","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ingenieria-y-tecnologia-quimicas\/estudio-de-la-conformacion-de-componentes-aluminio-silicio-en-estado-semisolido\/","title":{"rendered":"Estudio de la conformaci\u00f3n de componentes aluminio-silicio en estado semis\u00f3lido"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mar\u00eda  Teresa Baile Puig <\/strong><\/h2>\n<p>Se revisan los antecedentes y el estado del arte en  la conformaci\u00f3n  de aleaciones de aluminio en estado semis\u00f3lido. Se describen los diferentes procesos, sus ventajas e inconvenientes y su inter\u00e9s industrial  de acuerdo con la informaci\u00f3n disponible. Se plantean los aspectos te\u00f3ricos de la conformaci\u00f3n en estado semis\u00f3lido  relacionados con: las propiedades tixotr\u00f3picas y reol\u00f3gicas de los materiales; los mecanismos de formaci\u00f3n de lodos; la estructura de los lingotes; y los efectos del recalentamiento y de los tratamientos t\u00e9rmicos.  mediante t\u00e9cnicas de thixocasting se han fabricado, con aleaciones a357 y a356, diferentes piezas: lingote, semicomponente y componentes para autom\u00f3vil y motocicleta. En estos materiales se estudia el efecto de los tratamientos t\u00e9rmicos en la microestructura, en las propiedades mec\u00e1nicas y en los mecanismos de fractura.  la experimentaci\u00f3n realizada permite determinar el efecto de la temperatura en: la velocidad y mecanismo de crecimiento del silicio; la evoluci\u00f3n de la fase  y los compuestos intermet\u00e1licos; y en la distribuci\u00f3n m\u00e1s o menos heterog\u00e9nea del magnesio.  as\u00ed mismo, la  producci\u00f3n de semicomponentes en diferentes condiciones, mediante un exhaustivo control de las condiciones de fabricaci\u00f3n, ha permitido optimizar los par\u00e1metros de producci\u00f3n mediante procedimientos estad\u00edsticos.  se estudian los mecanismos de corrosi\u00f3n en soluciones salinas en los diferentes materiales, mediante ensayos en c\u00e1mara de niebla salina, medidas de impedancia y t\u00e9cnicas de polarizaci\u00f3n.  finalmente se realiza un estudio comparativo de los resultados obtenidos con componentes fabricados por thixocasting, por otros procesos de conformaci\u00f3n en estado semis\u00f3lido (new rheocasting y sub liquidus casting) y por los m\u00e9todos convencionales, poniendo de manifiesto las ventajas e inconvenientes de las nuevas tecnolog\u00edas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de la conformaci\u00f3n de componentes aluminio-silicio en estado semis\u00f3lido<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de la conformaci\u00f3n de componentes aluminio-silicio en estado semis\u00f3lido <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mar\u00eda  Teresa Baile Puig <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de catalunya<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 04\/07\/2005<\/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>Antonio Forn Alonso<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis Llanes pitarch <\/li>\n<li>joan Esteve pujol (vocal)<\/li>\n<li>Jos\u00e9 Mar\u00eda Bastidas  rull (vocal)<\/li>\n<li>dolores Salvador moya (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mar\u00eda Teresa Baile Puig Se revisan los antecedentes y el estado del arte en la conformaci\u00f3n 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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