{"id":8514,"date":"2021-04-23T08:04:19","date_gmt":"2021-04-23T08:04:19","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=8514"},"modified":"2021-04-23T08:04:19","modified_gmt":"2021-04-23T08:04:19","slug":"aluminum-alloy-melt-degassing","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/aluminum-alloy-melt-degassing\/","title":{"rendered":"Desgasificaci\u00f3n de la masa fundida de aleaci\u00f3n de aluminio"},"content":{"rendered":"<p>La desgasificaci\u00f3n de la aleaci\u00f3n de aluminio fundida permite eliminar el hidr\u00f3geno indeseable y las inclusiones antes de la colada. Gracias a la reducci\u00f3n del tiempo de mantenimiento de las aleaciones mezcladas, se minimiza la tendencia a la oxidaci\u00f3n de la aleaci\u00f3n fundida y se reduce eficazmente la volatilidad de la masa fundida reactiva. De este modo, la oxidaci\u00f3n del metal fundido se minimiza no solo gracias al breve tiempo de mantenimiento del metal fundido enriquecido con aleaci\u00f3n antes de la solidificaci\u00f3n en la colada de lingotes, sino tambi\u00e9n mediante el uso de atm\u00f3sferas protectoras. Adem\u00e1s, la absorci\u00f3n de hidr\u00f3geno, que da lugar a una porosidad indeseable en el lingote, se minimiza al mismo tiempo que se reduce la oxidaci\u00f3n.<\/p>\n<p>Se sabe que el aluminio fundido y las aleaciones a base de aluminio absorben grandes cantidades de gas, y la cantidad presente en una fundici\u00f3n concreta depende de las caracter\u00edsticas del metal utilizado (ya sea metal primario o secundario), de la composici\u00f3n de la aleaci\u00f3n y de las condiciones de fundici\u00f3n. La influencia del gas en el metal se manifiesta en la pieza fundida mediante la aparici\u00f3n de poros y de los denominados poros de aguja, as\u00ed como la aparici\u00f3n de bandas o burbujas en la superficie de la pieza forjada. Si el producto acabado se utiliza como recipiente para l\u00edquidos o gases, estas cavidades, especialmente las de tipo poro de aguja, pueden provocar fugas de gas o l\u00edquido. Cuando se encuentran en estado fundido, el aluminio y sus aleaciones pueden absorber gas, pero cuando el metal l\u00edquido se enfr\u00eda y se solidifica en el molde, la absorci\u00f3n de gas disminuye, lo que da lugar a la liberaci\u00f3n de gas libre. El gas liberado se acumula inmediatamente y forma burbujas, y algunas de ellas quedan atrapadas en el bloque solidificado, lo que da lugar a la formaci\u00f3n de cavidades o discontinuidades en la estructura met\u00e1lica, que son la causa de la fragilidad de las piezas fundidas.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8516\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/04\/Metal-Degassing-System.jpg\" alt=\"\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/04\/Metal-Degassing-System.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/04\/Metal-Degassing-System-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>AdTech ofrece dos m\u00e9todos dise\u00f1ados espec\u00edficamente para eliminar los efectos nocivos de los gases y los \u00f3xidos insolubles presentes en el aluminio y sus aleaciones. Uno de ellos consiste en utilizar un <a href=\"http:\/\/www.alalloycasting.com\/es\/adtech-refining-flux\/\">fundente de refinado<\/a>, donde se funde el metal y se introduce en el horno. La otra, para suministrar aleaci\u00f3n de aluminio fundida <a href=\"http:\/\/www.alalloycasting.com\/es\/rotary-degassing-device\/\">dispositivo de desgasificaci\u00f3n<\/a> para purificar una gran cantidad de metal fundido de forma econ\u00f3mica y eficaz. El objetivo es desgasificar el metal para no perjudicar la calidad de la fundici\u00f3n en estado s\u00f3lido ni sus propiedades f\u00edsicas, y eliminar los huecos en la pieza fundida debidos a la liberaci\u00f3n de gases.<\/p>\n<p>Los disolventes deben eliminarse cuidadosamente del metal que entra en el molde, y es probable que formen una costra en la pared del recipiente met\u00e1lico, que debe rasparse de vez en cuando. En algunos casos, el disolvente puede corroer el recipiente, debilit\u00e1ndolo, y puede introducir impurezas en el ba\u00f1o de metal fundido.<\/p>\n<p>El sistema de desgasificaci\u00f3n en l\u00ednea hace pasar gas inerte o gas activo a trav\u00e9s del canal de metal fundido. El efecto de desgasificaci\u00f3n es mejor.<\/p>","protected":false},"excerpt":{"rendered":"<p>The aluminum alloy melt degassing can eliminate undesirable hydrogen and inclusions before casting. As a result of the shortened holding time of the blended melts,&hellip;<\/p>","protected":false},"author":1,"featured_media":8515,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-8514","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>Aluminum Alloy Melt Degassing System -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"The aluminum alloy melt degassing can eliminate hydrogen and inclusions before casting. AdTech offers refining flux and degassing system.\" \/>\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\/aluminum-alloy-melt-degassing\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Aluminum Alloy Melt Degassing System -sales@alalloycasting.com\" \/>\n<meta property=\"og:description\" content=\"The aluminum alloy melt degassing can eliminate hydrogen and inclusions before casting. 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