{"id":71346,"date":"2018-03-09T23:15:59","date_gmt":"2018-03-09T23:15:59","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/efecto-de-adiciones-de-microsilice-en-la-fisico-qua%c2%admica-de-cementos-refractarios\/"},"modified":"2018-03-09T23:15:59","modified_gmt":"2018-03-09T23:15:59","slug":"efecto-de-adiciones-de-microsilice-en-la-fisico-qua%c2%admica-de-cementos-refractarios","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/efecto-de-adiciones-de-microsilice-en-la-fisico-qua%c2%admica-de-cementos-refractarios\/","title":{"rendered":"Efecto de adiciones de microsilice en la fisico-qu\u00edmica de cementos refractarios"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Rivas Mercury  Jos\u00e9 Manuel <\/strong><\/h2>\n<p>El aumento de la productividad de las industrias consumidoras de refractarios ha sido posible, gracias al aumento de la duraci\u00f3n de la vida media de sus instalaciones y m\u00e1s espec\u00edficamente a la reducci\u00f3n del consumo espec\u00edfico de refractarios. Este hecho, basado en la introducci\u00f3n de los hormigones refractarios de bajo contenido en cemento de aluminatos de calcio, se debe a la inclusi\u00f3n en su formulaci\u00f3n de componentes de muy peque\u00f1o tama\u00f1o de part\u00edcula y elevada superficie especifica. Estos aditivos, de peque\u00f1o tama\u00f1o de part\u00edcula y m\u00e1s espec\u00edficamente la s\u00edlice coloidal, act\u00faan mejorando las propiedades mec\u00e1nicas en verde, el empaquetamiento de las part\u00edculas, la porosidad, la reolog\u00eda y las propiedades mec\u00e1nicas a alta temperatura del material conformado.  el conjunto de procesos, hidrataci\u00f3n-transformaci\u00f3n-deshidrataci\u00f3n, en mezclas de aluminatos de calcio con micros\u00edlice es un tema poco estudiado y sobre el que existen numerosas contradicciones. Cada vez se utilizan m\u00e1s hormigones de bajo cemento con adiciones de micros\u00edlice en instalaciones industriales, por lo que establecer claramente si el protocolo de calentamiento utilizado en estos revestimientos es \u00e9l mas adecuado y como debe incidir en \u00e9l la cantidad de microsilice a\u00f1adida y el proceso de curado utilizado, se considera de gran inter\u00e9s tecnol\u00f3gico.  en esta tesis, se han estudiado las reacciones de hidrataci\u00f3n y deshidrataci\u00f3n de los aluminatos de calcio en presencia de microsilice mediante experimentos de difracci\u00f3n de rayos x en modo secuencial y difracci\u00f3n de neutrones.  el estudio de las reacciones se ha realizado en materiales sin agregados, es decir en mezclas de cada uno de los distintos aluminatos de calcio presentes en los cementos refractarios con microsilice. De esta forma, se han eliminado las se\u00f1ales de gran intensidad correspondientes a los agregados, ya que estos significan entre el 70 y el 80% del material, lo que al redu<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Efecto de adiciones de microsilice en la fisico-qu\u00edmica de cementos refractarios<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Efecto de adiciones de microsilice en la fisico-qu\u00edmica de cementos refractarios <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Rivas Mercury  Jos\u00e9 Manuel <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 19\/11\/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>Pilar Pena Castro<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: vicente Fernandez <\/li>\n<li>Jes\u00fas Sanz l\u00e1zaro (vocal)<\/li>\n<li>Emilio Mor\u00e1n Miguelez (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 Rivas Mercury Jos\u00e9 Manuel El aumento de la productividad de las industrias consumidoras de refractarios ha sido [&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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