{"id":6310,"date":"1995-01-01T00:00:00","date_gmt":"1995-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1995\/01\/01\/estudio-y-modelizacion-de-la-recristalizacion-estatica-de-la-austenita-deformada-en-los-aceros-de-baja-aleacion-y-microaleados\/"},"modified":"1995-01-01T00:00:00","modified_gmt":"1995-01-01T00:00:00","slug":"estudio-y-modelizacion-de-la-recristalizacion-estatica-de-la-austenita-deformada-en-los-aceros-de-baja-aleacion-y-microaleados","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/estudio-y-modelizacion-de-la-recristalizacion-estatica-de-la-austenita-deformada-en-los-aceros-de-baja-aleacion-y-microaleados\/","title":{"rendered":"Estudio y modelizacion de la recristalizacion estatica de la austenita deformada en los aceros de baja aleacion y microaleados"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Mancilla Tolama Juan a Eloina <\/strong><\/h2>\n<p>Se revisan aquellos fundamentos metalurgicos que explican las buenas propiedades mecanicas, asi como las expresiones que describen la evolucion microestructural y la cinetica de precipitacion de los aceros microaleados.  asimismo, se rese\u00f1an las caracteristicas del ensayo de torsion.  se describe el procedimiento experimental para fabricar mediante refusion de electrodo por electroescoria, los diecinueve aceros de tipo c-mn de composicion quimica controlada -con diferentes niveles de c, mn, si mo, nb, ti y v -asi como para la realizacion de los ensayos de torsion. Se explica la tecnica de la doble deformacion.  se presentan los resultados de las curvas fraccion recristalizada frente al tiempo a diferentes temperaturas (800 grados c-1150grados c), deformaciones (0,20, 0,35), velocidades de deformacion (0,54 s-1, 1,45 s-1, 3,63 s-1 y 5,08 s-1) y diferentes tama\u00f1os de grano inicial.  se determinaron: la constante n de la ecuacion de avrami, la energia de activacion en funcion de la composicion quimica: c, mn, si, mo, nb, ti y v. Se han establecido las relaciones empiricas entre el parametro t0,5 y las variables: deformacion, velocidad de deformacion, tama\u00f1o de grano inicial y la composicion quimica.  se ha construido un modelo para la cinetica de la recristalizacion estatica aplicable a los aceros de baja aleacion y microaleados.  en el caso de los aceros microaleados, la cinetica de la recristalizacion estatica fue tambien modelizada a temperaturas inferiores a la temperatura critica de la recristalizacion estatica (srct), decir, la temperatura a la que comienza la inhibicion de la recristalizacion estatica como consecuencia de la precipitacion inducida. La srct de los aceros microaleados es funcion de los contenidos de n, c, ti, v y nb, de la deformacion y tama\u00f1o de grano.  la metodolog\u00eda aplicada ha permitido construir los diagramas ptt y, por tanto, conocer la cinetica de la precipitacion inducida por la deformaci<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio y modelizacion de la recristalizacion estatica de la austenita deformada en los aceros de baja aleacion y microaleados<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio y modelizacion de la recristalizacion estatica de la austenita deformada en los aceros de baja aleacion y microaleados <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Mancilla Tolama Juan a Eloina <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1995<\/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> Medina Martin Sebastian Florencio<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Joaquin Hernaez Marin <\/li>\n<li> Madro\u00f1ero De La Cal Antonio (vocal)<\/li>\n<li>Claudio Aroca Hernandez Ros (vocal)<\/li>\n<li>Jos\u00e9 Manuel Torralba Castello (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mancilla Tolama Juan a Eloina Se revisan aquellos fundamentos metalurgicos que explican las buenas propiedades mecanicas, asi [&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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