{"id":5922,"date":"2019-10-15T02:31:24","date_gmt":"2019-10-15T02:31:24","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=5922"},"modified":"2019-10-15T02:33:18","modified_gmt":"2019-10-15T02:33:18","slug":"zirconia-cff","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/es\/zirconia-cff\/","title":{"rendered":"Circonia Cff"},"content":{"rendered":"<p><strong>Circonia Cff<\/strong><\/p>\n<p>Cuando se utiliza Zirconia Cff, las inclusiones quedan retenidas en un filtro instalado en el recorrido del flujo de metal. Estos filtros retienen las pel\u00edculas de \u00f3xido, pero no las inclusiones peque\u00f1as. Se garantiza una filtraci\u00f3n m\u00e1s eficaz mediante el uso de filtros de espuma cer\u00e1mica (PCF), que consisten en una estructura cer\u00e1mica esponjosa por la que el metal fundido se desplaza siguiendo un recorrido sinuoso.<\/p>\n<p>Es recomendable instalar Zirconia Cff en aquellas partes del equipo de fundici\u00f3n en las que se requiera un gran rendimiento, por ejemplo, en los canales de los vasos de colada.<\/p>\n<p>Las principales ventajas del PCF: resistencia m\u00ednima al metal fundido procesado; resistencia a altas temperaturas y resistencia mec\u00e1nica; un nivel cualitativamente nuevo en el procesamiento de metales y aleaciones l\u00edquidas.<\/p>\n<p>El uso de <a href=\"http:\/\/www.adtechamm.com\/es\/\">filtro de espuma cer\u00e1mica<\/a> permite obtener metal de alta calidad y pureza metal\u00fargica.<br \/>\nLa eliminaci\u00f3n eficaz de las inclusiones dispersas en el metal fundido mejora la calidad de la pieza fundida, no solo en cuanto a la limpieza interna, sino tambi\u00e9n en cuanto a la calidad de la superficie y la resistencia mec\u00e1nica.<br \/>\nAdem\u00e1s, el uso de un filtro favorece la desgasificaci\u00f3n de la masa fundida. Sin embargo, un inconveniente importante de este m\u00e9todo es el coste a\u00fan elevado del PCF, as\u00ed como la necesidad de sobrecalentar ligeramente la masa fundida para facilitar la puesta en marcha y el funcionamiento del filtro.<br \/>\nAdem\u00e1s, las coronas de circonio Cff requieren el uso de un dispositivo especial para fijarlas durante la intervenci\u00f3n.<\/p>\n<p><img class=\"alignnone size-full wp-image-5923\" src=\"http:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/10\/Zirconia-Cff.jpg\" alt=\"Circonia Cff\" width=\"640\" height=\"640\" srcset=\"https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/10\/Zirconia-Cff.jpg 640w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/10\/Zirconia-Cff-150x150.jpg 150w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/10\/Zirconia-Cff-300x300.jpg 300w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/10\/Zirconia-Cff-570x570.jpg 570w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/10\/Zirconia-Cff-500x500.jpg 500w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/10\/Zirconia-Cff-120x120.jpg 120w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/p>\n<p><strong>Tambi\u00e9n se est\u00e1 trabajando para subsanar estas deficiencias.<\/strong><br \/>\nAs\u00ed, en el Departamento de Fundici\u00f3n, Procesos Metal\u00fargicos y Aleaciones de la Universidad T\u00e9cnica Estatal de N. N\u00f3vgorod se ha desarrollado una tecnolog\u00eda original para la fabricaci\u00f3n de PCF a partir de materiales baratos y no escasos: residuos de las industrias metal\u00fargica y qu\u00edmica.<br \/>\nSe llev\u00f3 a cabo una evaluaci\u00f3n de la eficacia de la limpieza de fundidos de aluminio en moldes mediante el uso de PCF fabricados con la nueva tecnolog\u00eda, en condiciones de producci\u00f3n y de laboratorio, con la aleaci\u00f3n AK5M2.<br \/>\nHemos estudiado los modos tecnol\u00f3gicos y los par\u00e1metros de filtraci\u00f3n: la duraci\u00f3n de la colada, la hidrodin\u00e1mica del flujo de material fundido en el sistema de colada, el modo de filtraci\u00f3n t\u00e9rmica, la interacci\u00f3n qu\u00edmica de los filtros con el material fundido, la resistencia mec\u00e1nica de la fibra de carbono (PCF) a altas temperaturas, el tama\u00f1o de las celdas porosas del filtro y otros aspectos.<br \/>\nEn este caso, el PCF puede instalarse en cualquier punto del sistema de compuertas, en las cucharas de colada a modo de tabique interno, etc.<\/p>\n<p>En las primeras fases del estudio, se instalaron los PCF en una copa de compuerta situada a la entrada del tubo ascendente.<br \/>\nSe utiliz\u00f3 PCF con un espesor de 15 mm, una porosidad de 85% y un tama\u00f1o medio de celda de entre 2,5 y 3 mm.<br \/>\nEl aluminio fundido se verti\u00f3 a una temperatura de 730 \u00b0C en un molde refrigerado calentado a una temperatura de 250 \u00b0C.<br \/>\nLa pieza fundida presenta una parte cil\u00edndrica central de gran tama\u00f1o con bridas superior e inferior y un peso de 6 kg.<\/p>","protected":false},"excerpt":{"rendered":"<p>Zirconia Cff When use Zirconia Cff, inclusions are captured on a filter installed in the metal flow path. They capture oxide films, but not small inclusions. A more efficient filtration is ensured by using ceramic foam filters (PCF), which are a spongy ceramic structure in&#8230;<\/p>","protected":false},"author":1,"featured_media":5923,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[26524],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Zirconia Cff | Adtech China - Molten Aluminium Casting filter<\/title>\n<meta name=\"description\" content=\"When use Zirconia Cff, inclusions are captured on a filter installed in the metal flow path. They capture oxide films, but not small inclusions.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.adtechamm.com\/es\/zirconia-cff\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Zirconia Cff | Adtech China - Molten Aluminium Casting filter\" \/>\n<meta property=\"og:description\" content=\"When use Zirconia Cff, inclusions are captured on a filter installed in the metal flow path. 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