{"id":5061,"date":"2020-09-25T07:11:52","date_gmt":"2020-09-25T07:11:52","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=5061"},"modified":"2020-09-25T07:11:52","modified_gmt":"2020-09-25T07:11:52","slug":"flux-for-slag-removal","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/flux-for-slag-removal\/","title":{"rendered":"Fundente para la eliminaci\u00f3n de escoria"},"content":{"rendered":"

El fundente para la eliminaci\u00f3n de escorias en la masa fundida de aleaci\u00f3n de aluminio act\u00faa principalmente a trav\u00e9s de tres m\u00e9todos: adsorci\u00f3n, disoluci\u00f3n y combinaci\u00f3n. La disoluci\u00f3n se consigue principalmente a\u00f1adiendo al fundente una sustancia qu\u00edmica capaz de disolver las inclusiones de escoria, lo que se lleva a cabo gracias a sus propiedades f\u00edsico-qu\u00edmicas similares; a continuaci\u00f3n, se eliminan junto con el fundente, como ocurre con el Na\u2083AlF\u2086, que puede disolver el Al\u2082O\u2083. La reacci\u00f3n qu\u00edmica se produce mediante la reacci\u00f3n entre el flujos<\/a> y la escoria para generar otros compuestos f\u00e1cilmente eliminables con el fin de lograr la eliminaci\u00f3n deseada, como el Na\u2082SiF\u2086, mientras que el Al\u2082O\u2083 restante reacciona para producir Na\u2083AlF\u2086 y AlF\u2083. Todos ellos pueden refinarse mediante otros mecanismos.<\/p>\n

En la actualidad, las aleaciones de alto rendimiento evolucionan hacia especificaciones de mayor tama\u00f1o, y los requisitos dimensionales de las palanquillas de fundici\u00f3n aumentan progresivamente. El gas residual, las impurezas, la escoria y los metales alcalinos y alcalinot\u00e9rreos presentes en la masa fundida de aleaci\u00f3n de aluminio son perjudiciales para la deformaci\u00f3n durante el procesamiento de las palanquillas de fundici\u00f3n y para su proceso de servicio.<\/p>\n

\"Fundente<\/p>\n

Las inclusiones en el aluminio fundido incluyen inclusiones s\u00f3lidas, como carburos, nitruros, \u00f3xidos, hidruros y boruros, e inclusiones met\u00e1licas, como hierro, silicio, zinc y manganeso. Entre ellas, el Al\u2082O\u2083 es el componente principal, ya que representa el 95% de las inclusiones. El tama\u00f1o de las inclusiones no met\u00e1licas en el aluminio fundido oscila entre varias y decenas de micras, lo cual resulta muy perjudicial. Las inclusiones de \u00f3xido no met\u00e1lico y la matriz de los materiales de aleaci\u00f3n de aluminio presentan par\u00e1metros de rendimiento diferentes, como el m\u00f3dulo de elasticidad, la dureza y el coeficiente de dilataci\u00f3n. Bajo la acci\u00f3n de una fuerza externa, es probable que se produzca una concentraci\u00f3n de tensiones en las esquinas afiladas de la fase de inclusi\u00f3n oxidada, lo que cortar\u00e1 la estructura de la matriz, provocar\u00e1 fugas en el producto o lo har\u00e1 propenso a la corrosi\u00f3n, y reducir\u00e1 significativamente las propiedades mec\u00e1nicas y la resistencia a la corrosi\u00f3n bajo tensi\u00f3n. La presencia de escoria tambi\u00e9n reduce la fluidez de la aleaci\u00f3n y su capacidad para llenar el molde, y aumenta la propensi\u00f3n a los defectos de fundici\u00f3n. Incrementa la tendencia a la absorci\u00f3n de gases del aluminio fundido, bloquea la difusi\u00f3n y la precipitaci\u00f3n de gases, y favorece la formaci\u00f3n de porosidad secundaria y huecos durante el proceso de tratamiento t\u00e9rmico.<\/p>\n

AdTech produce fundente para la eliminaci\u00f3n de escoria. El agente de refinado de AdTech utiliza una tecnolog\u00eda exclusiva para potenciar el efecto tradicional de desgasificaci\u00f3n y formaci\u00f3n de escoria en el metal fundido.<\/p>","protected":false},"excerpt":{"rendered":"

The flux for slag removal in the aluminum alloy melt mainly through three methods of adsorption, dissolution, and compounding. The dissolution is mainly achieved by…<\/p>","protected":false},"author":1,"featured_media":5150,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-5061","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nFlux for Slag Removal in Aluminum Alloy -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"The flux for slag removal in the aluminum alloy melt mainly through three methods of adsorption, dissolution and compounding.\" \/>\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\/flux-for-slag-removal\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Flux 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