{"id":10584,"date":"2021-10-14T02:12:06","date_gmt":"2021-10-14T02:12:06","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=10584"},"modified":"2021-10-14T02:12:06","modified_gmt":"2021-10-14T02:12:06","slug":"degassing-flux","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/degassing-flux\/","title":{"rendered":"Flujo de desgasificaci\u00f3n"},"content":{"rendered":"

El fundente desgasificante se utiliza habitualmente para reducir el contenido de hidr\u00f3geno de la aleaci\u00f3n de aluminio fundida. La reducci\u00f3n del contenido de hidr\u00f3geno mejorar\u00e1 sin duda las propiedades mec\u00e1nicas de la aleaci\u00f3n de aluminio resultante.<\/p>\n

Cuando se utiliza el fundente desgasificante en el metal fundido de aluminio, se generan o reaccionan un gran n\u00famero de burbujas. En la superficie de contacto entre la burbuja y el metal, existe inicialmente una diferencia de presi\u00f3n parcial entre el interior de la burbuja y el hidr\u00f3geno presente en el metal. Debido a esta diferencia de presi\u00f3n parcial, el hidr\u00f3geno del metal fundido penetra en la burbuja. Cuando la burbuja asciende hasta la superficie del metal, el hidr\u00f3geno se libera a la atm\u00f3sfera, lo que permite la desgasificaci\u00f3n. Las impurezas asociadas tambi\u00e9n se llevan a la superficie del metal fundido, lo que permite su purificaci\u00f3n.<\/p>\n

El efecto de la tecnolog\u00eda de desgasificaci\u00f3n en la calidad de la aleaci\u00f3n de aluminio no solo consiste en controlar el contenido de hidr\u00f3geno, sino tambi\u00e9n en la calidad final de la masa fundida y su pureza. El volumen de las burbujas aumenta a medida que empeora la humectabilidad de la masa fundida. Aumentar el caudal de gas o reducir el di\u00e1metro de la boquilla reduce eficazmente el volumen de las burbujas. Por supuesto, reducir el volumen de las burbujas puede mejorar el efecto de desgasificaci\u00f3n.<\/p>\n

\"\"<\/p>\n

Durante la fusi\u00f3n de la aleaci\u00f3n de aluminio, las part\u00edculas en suspensi\u00f3n en el ba\u00f1o de fusi\u00f3n pueden reducirse eficazmente mediante flotaci\u00f3n o precipitaci\u00f3n. La mayor\u00eda de las inclusiones de \u00f3xido son m\u00e1s pesadas que el ba\u00f1o de fusi\u00f3n base, por lo que tienden a depositarse en el fondo del crisol. Adem\u00e1s, las inclusiones tambi\u00e9n pueden eliminarse mediante filtraci\u00f3n, lo que aumenta significativamente la densidad de las piezas fundidas.<\/p>\n

A flujo de recubrimiento<\/a> Se utiliza habitualmente para evitar que el aluminio fundido reaccione con la atm\u00f3sfera circundante o se vuelva a oxidar. En este estudio, se desgasificaron las fundiciones con y sin fundente de recubrimiento, utilizando un difusor de barra porosa. Tras la desgasificaci\u00f3n y el tiempo de reposo, se vertieron las fundiciones para obtener muestras enfriadas, muestras a presi\u00f3n reducida y piezas fundidas en molde permanente.<\/p>","protected":false},"excerpt":{"rendered":"

Degassing flux is usually used to reduce the hydrogen content of the molten aluminum alloy. Reducing the hydrogen content will definitely improve the mechanical properties…<\/p>","protected":false},"author":1,"featured_media":10588,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-10584","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nDegassing Flux for Molten Aluminum Alloy Casting<\/title>\n<meta name=\"description\" content=\"Degassing flux is usually used to reduce the hydrogen content of the molten aluminum alloy, which will improve the mechanical properties.\" \/>\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.alalloycasting.com\/es\/degassing-flux\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta 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