{"id":7064,"date":"2020-12-17T08:17:21","date_gmt":"2020-12-17T08:17:21","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=7064"},"modified":"2020-12-17T08:17:21","modified_gmt":"2020-12-17T08:17:21","slug":"molten-aluminium-degassing","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/molten-aluminium-degassing\/","title":{"rendered":"Desgasificaci\u00f3n del aluminio fundido"},"content":{"rendered":"<p>El metal fundido contiene un alto contenido de residuos de \u00f3xido y\/o nitruro, lo que tiene un efecto negativo en la solidificaci\u00f3n de determinadas aleaciones. La forma fundida o licuada del aluminio tambi\u00e9n favorece la formaci\u00f3n y absorci\u00f3n de hidr\u00f3geno en el aluminio fundido. El hidr\u00f3geno se precipita en forma de poros durante la solidificaci\u00f3n de la aleaci\u00f3n de aluminio, lo que no favorece las propiedades mec\u00e1nicas de la aleaci\u00f3n s\u00f3lida. La desgasificaci\u00f3n del aluminio fundido es un m\u00e9todo eficaz para reducir la porosidad causada por el hidr\u00f3geno.<\/p>\n<p>Uno de los procesos de desgasificaci\u00f3n del aluminio fundido consiste en introducir una mezcla de un gas inerte (como el arg\u00f3n o el nitr\u00f3geno) y un gas reactivo (como el cloro) en el aluminio fundido para capturar el hidr\u00f3geno y las impurezas s\u00f3lidas en suspensi\u00f3n. La mezcla de gases asciende a la superficie junto con el hidr\u00f3geno y las impurezas de \u00f3xido.<\/p>\n<p>El aluminio fundido tambi\u00e9n puede requerir una desgasificaci\u00f3n con fundente. <a href=\"http:\/\/www.alalloycasting.com\/es\/flux-degassing\/\">Desgasificaci\u00f3n por fundente<\/a> Es un proceso que consiste en introducir mezclas de sal en polvo o granuladas, como cloruro y\/o fluoruro, en el aluminio fundido mediante un gas portador, como el nitr\u00f3geno o el arg\u00f3n. El fundente salino puede introducirse mediante un equipo de desgasificaci\u00f3n rotativo. Un ejemplo de dispositivo giratorio incluye un eje hueco central unido a un rotor que se introduce en el ba\u00f1o de aluminio fundido y se hace girar, de modo que el fundente de sal se desplaza a lo largo del eje hueco y se dispersa en el aluminio fundido a trav\u00e9s de orificios situados en el rotor.<\/p>\n<p>Sigue existiendo la necesidad de disponer de un aparato y un m\u00e9todo que permitan gestionar de forma eficaz y segura la inyecci\u00f3n de una cantidad predeterminada de fundente desgasificante en el metal fundido.<\/p>\n<p>El dispositivo inyector de fundente incluye un dep\u00f3sito presurizado adaptado para almacenar y suministrar fundente a presi\u00f3n. Un mecanismo de alimentaci\u00f3n para descargar una cantidad predeterminada de fundente hacia la salida del dep\u00f3sito presurizado y un controlador para supervisar y manejar el equipo. El mecanismo de alimentaci\u00f3n incluye una carcasa con una pared interior que define una cavidad con una entrada y una salida. La rueda de alimentaci\u00f3n est\u00e1 situada en la cavidad y funciona para recibir una cantidad predeterminada de fundente desde la entrada, desplazar el fundente dentro de la cavidad y descargar dicha cantidad predeterminada de fundente a trav\u00e9s de la salida del dep\u00f3sito presurizado.<\/p>","protected":false},"excerpt":{"rendered":"<p>Molten metal includes a high content of oxide and\/or nitride debris, which has a negative effect on the solidification of certain alloys. The molten or&hellip;<\/p>","protected":false},"author":1,"featured_media":7065,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-7064","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Molten Aluminium Degassing Flux -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"Molten aluminium degassing is an effective method to reduce the porosity caused by hydrogen. 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