{"id":12212,"date":"2001-12-07T00:00:00","date_gmt":"2001-12-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/equilibrio-termodinamico-y-caminos-de-solidificacion-del-sistema-cu-o-h-pb\/"},"modified":"2001-12-07T00:00:00","modified_gmt":"2001-12-07T00:00:00","slug":"equilibrio-termodinamico-y-caminos-de-solidificacion-del-sistema-cu-o-h-pb","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/equilibrio-termodinamico-y-caminos-de-solidificacion-del-sistema-cu-o-h-pb\/","title":{"rendered":"Equilibrio termodin\u00e1mico y caminos de solidificaci\u00f3n del sistema cu-o-h-pb"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Touron Rivadulla Jos\u00e9 Luis <\/strong><\/h2>\n<p>El an\u00e1lisis de los equilibrios termodin\u00e1micos del sistema multicomponente cu-o-h-pb presentan un inter\u00e9s tanto cient\u00edfico como de aplicaci\u00f3n a la pr\u00e1ctica industrial. En el presnete trabajo se han estudiado los equilibrios termodina\u00e1micos y los caminos de solidificaci\u00f3n en condiciones de quilibrio termodin\u00e1mico del mencionado sistema multicomponenete, tomando en cuenta, tanto las fases condensadas (l\u00edquido y s\u00f3lidos) como la fase gaseosa. En el estudio se ha hecho especial \u00e9nfasis en las concentraciones que presentan mayor inter\u00e9s para la fabricaci\u00f3n de cobre frhc (fire refined high conductivity) para ser utilizados como conductor el\u00e9ctrico. Esto nos ha permitido adoptar un modelo simplificado para la descripci\u00f3n de las interacciones entre las especies qu\u00edmicas.  como resultado de la pr\u00e1ctica industrial se desprende que entre los elementos que parecen jugar un papel esencial en el proceso de fabricaci\u00f3n de cobre frhc se encuentran o, h y pb. El ox\u00edgeno controla la formaci\u00f3n de la mezcla eut\u00e9ctica que garantiza la maleabilidad en caliente de la palanquilla y, adem\u00e1s, formando \u00f3xidos con otras impurezas met\u00e1licas. El ox\u00edgeno tambi\u00e9n act\u00faa, junto con el hidr\u00f3geno, como agente de la formaci\u00f3n de vapor de agua, que juega un rol esencial en la formaci\u00f3n de prosidad. el plomo cobra importancia debido a que tiene una muy baja solubilidad en el cobre s\u00f3lido, por otra prte, la contribuci\u00f3n del pb es problem\u00e1tica: por una parte deteriora las propiedades conductoras del cobre, pero por otra es necesario agregarlo en peque\u00f1as cantidades para garantizar las propiedades mec\u00e1nicas que permitan la colada.  la metodolog\u00eda utilizada para el c\u00e1lculo de los equilibrio es conocida como m\u00e9todo calphad (calculation of phase diagrams) o termodin\u00e1mica computacional. el m\u00e9todo consiste en calcular la estabilidad relativa de las diferentes fases a partir de la energ\u00eda libre de bibbs de las mismas. Para describir la energ\u00eda<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Equilibrio termodin\u00e1mico y caminos de solidificaci\u00f3n del sistema cu-o-h-pb<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Equilibrio termodin\u00e1mico y caminos de solidificaci\u00f3n del sistema cu-o-h-pb <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Touron Rivadulla Jos\u00e9 Luis <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 12\/07\/2001<\/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>Mar\u00eda  Teresa Mora Aznar<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: jose Casas vazquez <\/li>\n<li>narc\u00eds Clavaguera (vocal)<\/li>\n<li>jaume Casab\u00f3 (vocal)<\/li>\n<li>pere Molera (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Touron Rivadulla Jos\u00e9 Luis El an\u00e1lisis de los equilibrios termodin\u00e1micos del sistema multicomponente cu-o-h-pb presentan un inter\u00e9s [&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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