{"id":28678,"date":"2018-03-09T09:21:29","date_gmt":"2018-03-09T09:21:29","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/modelizacion-de-las-propiedades-mecanicas-de-aceros-con-microestructuras-mixtas\/"},"modified":"2018-03-09T09:21:29","modified_gmt":"2018-03-09T09:21:29","slug":"modelizacion-de-las-propiedades-mecanicas-de-aceros-con-microestructuras-mixtas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/navarra\/modelizacion-de-las-propiedades-mecanicas-de-aceros-con-microestructuras-mixtas\/","title":{"rendered":"Modelizaci\u00f3n de las propiedades mec\u00e1nicas de aceros con microestructuras mixtas"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Roberto Rodr\u00edguez Palacios <\/strong><\/h2>\n<p>El presente trabajo es fruto de la participaci\u00f3n del centro de estudios e investigaciones t\u00e9cnicas de guip\u00fazcoa (ceit) en un proyecto iniciado en 1999 y financiado por la comunidad europea del carb\u00f3n y el acerco (ceca). en dicho proyecto, tambi\u00e9n ha participado corus uk limited, crm y thyssen-krupp stahl. El objetivo general de este proyecto titulado \u00abproperty models for mixed microstructres\u00bb ha sido el desarrollo de un modelo para determinar el comportamiento mec\u00e1nico de aceros con microestructuras mixtas. De esta forma, conociendo la relaci\u00f3n entre las propiedades mec\u00e1nicas de un material y su microestructura, es posible optimizar tanto el procesado como las caracter\u00edsticas del producto final.  a partir de diferentes tratamientos t\u00e9rmicos a escala laboratorio sobre aceros ferrito-perl\u00edticos, se ha obtenido un amplio rango de microestructuras mixtas que han sido caracterizadas microestructural y mec\u00e1nicamanete.  tradicionalmente, el comportamiento mec\u00e1nico de cada una de las fases constituyentes se ha calculado a partir de diferentes par\u00e1metros microestructurales, como pueden ser el tama\u00f1o de grano de ferrita o el espaciado interlaminar de perlita. Adem\u00e1s de utilizar los modelos tradicionales basados en la microestructura, en el presente trabajo tambi\u00e9n se ha propuesto un m\u00e9todo para estudiar el comportamiento mec\u00e1nico de cada una de las fases constituyentes a partir de ensayos de nanoindentaci\u00f3n.  adem\u00e1s, mediante medidas experimentales, tambi\u00e9n se ha determinado el reparto de deformaci\u00f3n entre las fases constituyentes de aceros ferrito-perl\u00edticos y ferrito-martens\u00edticos.  finalmente, las predicciones del comportamiento a tracci\u00f3n de cada una de las fases se han utilizado para aplicar diferentes m\u00e9todos autoconsistentes propuestos en la bibliograf\u00eda (isodeformaci\u00f3n, isotensi\u00f3n, tomota y weng).  comparando los resultados obtenidos con las curvas de tracci\u00f3n de los materiales ensayados se ha comprobado q<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Modelizaci\u00f3n de las propiedades mec\u00e1nicas de aceros con microestructuras mixtas<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Modelizaci\u00f3n de las propiedades mec\u00e1nicas de aceros con microestructuras mixtas <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Roberto Rodr\u00edguez Palacios <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Navarra<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 13\/02\/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>Isabel Gutierrez Sanz<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 manuel Martinez esnaola <\/li>\n<li>Jos\u00e9 Mar\u00eda Cabrera marrero (vocal)<\/li>\n<li>Andr\u00e9s Valiente cancho (vocal)<\/li>\n<li>mario Diaz fuentes (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Roberto Rodr\u00edguez Palacios El presente trabajo es fruto de la participaci\u00f3n del centro de estudios e investigaciones [&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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