{"id":121460,"date":"2024-02-26T19:18:44","date_gmt":"2024-02-26T19:18:44","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-coeficientes-convencionales-de-rozamiento-y-tensiones-internas-en-uniones-atornilladas-pretensadas-de-estructuras-en-aleaciones-de-aluminio\/"},"modified":"2024-02-26T19:18:44","modified_gmt":"2024-02-26T19:18:44","slug":"estudio-de-coeficientes-convencionales-de-rozamiento-y-tensiones-internas-en-uniones-atornilladas-pretensadas-de-estructuras-en-aleaciones-de-aluminio","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-tecnologicas\/estudio-de-coeficientes-convencionales-de-rozamiento-y-tensiones-internas-en-uniones-atornilladas-pretensadas-de-estructuras-en-aleaciones-de-aluminio\/","title":{"rendered":"Estudio de coeficientes convencionales de rozamiento y tensiones internas en uniones atornilladas pretensadas de estructuras en aleaciones de aluminio."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Martinez De Lizarovi Alfonso <\/strong><\/h2>\n<p>La primera version de las recomendaciones europeas para estructuras en aleaciones de aluminio da unos determinados valores al coeficiente experimental de rozamiento que dependen del tipo de preparacion de las superficies y de los espesores de las piezas a unir. La presente tesis revisa la influencia de diversos parametros en dicho coeficiente  tales como numero de tornillos de la union  espesores absolutos y relativos de las chapas integrantes y preparacion de las superficies llegando a conclusiones como que la influencia depende del espesor global de las piezas y no de los valores individuales  que las relaciones de espesor chapa-cubrejunta no influyen tanto como inicialmente se puede suponer y que la unica preparacion de superficies valida es un ligero chorreado con granalla. Los trabajos se han centrado en ensayos de deslizamiento de probetas con medida de tensiones con extensometros ohmicos y en analisis de la union por elementos finitos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de coeficientes convencionales de rozamiento y tensiones internas en uniones atornilladas pretensadas de estructuras en aleaciones de aluminio.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de coeficientes convencionales de rozamiento y tensiones internas en uniones atornilladas pretensadas de estructuras en aleaciones de aluminio. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Martinez De Lizarovi Alfonso <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1986<\/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>Jos\u00e9 Luis Ramirez Ortiz<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Rafael Avil\u00e9s Gonz\u00e1lez <\/li>\n<li>Jos\u00e9 Mendia Urkiola (vocal)<\/li>\n<li>Jos\u00e9 German Gimenez Ortiz (vocal)<\/li>\n<li>Ramon Losada Rodriguez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Martinez De Lizarovi Alfonso La primera version de las recomendaciones europeas para estructuras en aleaciones de aluminio [&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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