{"id":90848,"date":"2018-03-11T10:09:27","date_gmt":"2018-03-11T10:09:27","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/microestructura-y-propiedades-mecanicas-de-materiales-compuestos-aa6061-mosi2-15p-procesados-por-va%c2%ada-pulvimetalurgica\/"},"modified":"2018-03-11T10:09:27","modified_gmt":"2018-03-11T10:09:27","slug":"microestructura-y-propiedades-mecanicas-de-materiales-compuestos-aa6061-mosi2-15p-procesados-por-va%c2%ada-pulvimetalurgica","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/microestructura-y-propiedades-mecanicas-de-materiales-compuestos-aa6061-mosi2-15p-procesados-por-va%c2%ada-pulvimetalurgica\/","title":{"rendered":"Microestructura y propiedades mec\u00e1nicas de materiales compuestos aa6061\/mosi2\/15p procesados por v\u00edapulvimetal\u00fargica"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Javier Corrochano Flores <\/strong><\/h2>\n<p>El objetivo del presente trabajo de investigaci\u00f3n es conseguir materiales compuestos aa6061\/mosi2\/15p con propiedades iguales o superiores a las de otros materiales compuestos similares reforzados con cer\u00e1micos. Adem\u00e1s, desde el punto de vista cient\u00ed fico, se pretende determinar la relaci\u00f3n procesado-microestructura-propiedades, en particular en lo que se refiere a la influencia de la etapa de mezcla en el tama\u00f1o y distribuci\u00f3n de refuerzo y microestructura de la matriz, y su efecto sobre la dure za, las propiedades a tracci\u00f3n, m\u00f3dulo el\u00e1stico y desgaste en seco. Las conclusiones principales que se derivan son: el tama\u00f1o de grano, a trav\u00e9s del mecanismo de hall-petch, es el par\u00e1metro microestructural que m\u00e1s contribuye a la dureza de los mca (51-68 ), seguido de la presencia de part\u00edculas de mosi2 (19-26 ), siendo pr\u00e1cticamente independiente de su tama\u00f1o y distribuci\u00f3n, y de los dispersoides a trav\u00e9s del mecanismo de orowan (14-21 ).  para estimar el l\u00edmite el\u00e1stico de los mca a partir d e ensayos de dureza se requiere la cuantificaci\u00f3n de la homogeneidad de la distribuci\u00f3n a trav\u00e9s del coeficiente de variaci\u00f3n de la media de las distancias a los primeros vecinos. la mezcla mec\u00e1nica de alta energ\u00eda y las part\u00edculas de refuerzo mejora n la resistencia al desgaste de las aleaciones de aluminio, sobre todo a cargas altas. A 42 y 91 n, el tama\u00f1o y la distribuci\u00f3n de las part\u00edculas de refuerzo no influyen en el comportamiento a desgaste de los mca, mientras que a 140 n la heterogeneid ad de la distribuci\u00f3n es perjudicial, ya que promueve la transici\u00f3n del r\u00e9gimen de desgaste suave a severo. desde el punto de vista tecnol\u00f3gico, los aa6061\/mosi2\/15p procesados por mmae son una alternativa competitiva a sus hom\u00f3logos reforzados con s ic y al2o3 en aplicaciones que requieran resistencia, rigidez y\/o un buen comportamiento a desgaste.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Microestructura y propiedades mec\u00e1nicas de materiales compuestos aa6061\/mosi2\/15p procesados por v\u00edapulvimetal\u00fargica<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Microestructura y propiedades mec\u00e1nicas de materiales compuestos aa6061\/mosi2\/15p procesados por v\u00edapulvimetal\u00fargica <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Javier Corrochano Flores <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 18\/12\/2008<\/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>Marcela Lieblich  Rodr\u00edguez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: emilio Moran Migueles <\/li>\n<li>joaquin Rams ramos (vocal)<\/li>\n<li>joaqu\u00edn Iba\u00f1\u00e9z ulargui (vocal)<\/li>\n<li>Jos\u00e9 Mar\u00eda Bad\u00eda p\u00e9rez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Javier Corrochano Flores El objetivo del presente trabajo de investigaci\u00f3n es conseguir materiales compuestos aa6061\/mosi2\/15p con propiedades [&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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