{"id":28671,"date":"2018-03-09T09:21:28","date_gmt":"2018-03-09T09:21:28","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/aplicacion-de-la-mecanica-de-la-fractura-a-la-rotura-fragil-de-fibras-de-semola\/"},"modified":"2018-03-09T09:21:28","modified_gmt":"2018-03-09T09:21:28","slug":"aplicacion-de-la-mecanica-de-la-fractura-a-la-rotura-fragil-de-fibras-de-semola","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/politecnica-de-madrid\/aplicacion-de-la-mecanica-de-la-fractura-a-la-rotura-fragil-de-fibras-de-semola\/","title":{"rendered":"Aplicacion de la mecanica de la fractura a la rotura fragil de fibras de semola"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Francisco Javier Rojo P\u00e9rez <\/strong><\/h2>\n<p>La rotura por tracci\u00f3n de fibras fr\u00e1giles ha sido estudiada tradicionalmente por m\u00e9todos estad\u00edsticos, entre los que destaca el modelo de weibull. En este trabajo se estudia la aplicabilidad de este modelo y de la mec\u00e1nica de la fractura el\u00e1stica lineal a la rotura por tracci\u00f3n de fibras fr\u00e1giles, empl\u00e9andolos para analizar la rotura de fibas de s\u00e9mola de trigo duro, ordinariamente conocidas como espaguetis.  se ha comprobrado que los modelos estad\u00edsticos de rotura, entre ellos el de weibull, no reproducen adecuadamente el efecto de tama\u00f1o en la carga de rotura al variar la longitud de la fibra cuando los defectos no tienen una distribuci\u00f3n estrictamente aleatoria, como sucece en el caso de las fibras de s\u00e9mola.  por el contrario, este trabajo demuestra que la mec\u00e1nica de la fractura el\u00e1stica lineal es aplicable a la rotura de este tipo de fibras, en particular en presencia de defecros internos de muy diferentes posiciones y tama\u00f1os.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Aplicacion de la mecanica de la fractura a la rotura fragil de fibras de semola<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Aplicacion de la mecanica de la fractura a la rotura fragil de fibras de semola <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Francisco Javier Rojo P\u00e9rez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/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>Gustavo Guinea Tortuero<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: manuel Elices calafat <\/li>\n<li>Carlos Navarro ugena (vocal)<\/li>\n<li>Jaime Dominguez abascas (vocal)<\/li>\n<li>Miguel angel Astiz suarez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Francisco Javier Rojo P\u00e9rez La rotura por tracci\u00f3n de fibras fr\u00e1giles ha sido estudiada tradicionalmente por m\u00e9todos [&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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