{"id":2969,"date":"2020-07-21T09:57:54","date_gmt":"2020-07-21T09:57:54","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=2969"},"modified":"2020-10-19T05:29:13","modified_gmt":"2020-10-19T05:29:13","slug":"cast-aluminum-alloy","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/cast-aluminum-alloy\/","title":{"rendered":"Aleaci\u00f3n de aluminio fundido"},"content":{"rendered":"<p>Desde hace mucho tiempo, la aleaci\u00f3n de aluminio fundido se utiliza ampliamente en la industria debido a su bajo precio, su ligereza y su rendimiento fiable. En concreto, con el aumento de la demanda de materiales ligeros para el transporte ferroviario en los \u00faltimos a\u00f1os, la aleaci\u00f3n de aluminio A356, como la aleaci\u00f3n de aluminio fundido m\u00e1s utilizada, presenta una buena fluidez de fundici\u00f3n, buena estanqueidad, una contracci\u00f3n reducida y una baja tendencia a las grietas en caliente. Tras su modificaci\u00f3n y tratamiento t\u00e9rmico, presenta buenas propiedades mec\u00e1nicas y f\u00edsicas, resistencia a la corrosi\u00f3n y buenas propiedades de mecanizado, similares a las de los cubos de rueda de acero. En comparaci\u00f3n con estos, los cubos de rueda de aleaci\u00f3n de aluminio ofrecen ventajas como la ligereza, la seguridad, el confort y el ahorro energ\u00e9tico, y se han utilizado ampliamente en la industria del autom\u00f3vil y la aviaci\u00f3n.<\/p>\n<p>Sin embargo, debido a la contracci\u00f3n por solidificaci\u00f3n y a la facilidad con la que el hidr\u00f3geno se disuelve en estado fundido, la aleaci\u00f3n de aluminio fundido contiene inevitablemente una cierta cantidad de defectos, como poros, \u00f3xidos e inclusiones no met\u00e1licas. Estos defectos tienen un gran impacto en las propiedades mec\u00e1nicas de los componentes; por ejemplo, los poros con una fracci\u00f3n volum\u00e9trica del 1% provocan fatiga del 50% y una reducci\u00f3n del l\u00edmite de fatiga del 20%. Por lo tanto, reviste gran importancia estudiar la influencia de la naturaleza, la cantidad, el tama\u00f1o y la distribuci\u00f3n de los defectos en las propiedades mec\u00e1nicas.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5739\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2020\/07\/Cast-Aluminum-Alloy-1.jpg\" alt=\"Aleaci\u00f3n de aluminio fundido\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/07\/Cast-Aluminum-Alloy-1.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/07\/Cast-Aluminum-Alloy-1-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<h2>An\u00e1lisis de defectos en aleaciones de aluminio fundido<\/h2>\n<p>El an\u00e1lisis de defectos de fractura es una forma importante de estudiar el mecanismo de fractura de las aleaciones de aluminio. Entre los defectos observados en las muestras se incluyen la porosidad por contracci\u00f3n, las cavidades por contracci\u00f3n, los poros diminutos, las inclusiones no met\u00e1licas y las inclusiones de escoria, as\u00ed como la pel\u00edcula de al\u00famina. El hidr\u00f3geno y las impurezas son las principales causas de estos defectos. AdTech ofrece <a href=\"http:\/\/www.alalloycasting.com\/es\/online-degassing-device\/\">unidad de desgasificaci\u00f3n en l\u00ednea<\/a> para la eliminaci\u00f3n del hidr\u00f3geno, y <a href=\"http:\/\/www.alalloycasting.com\/es\/cff-filter-box-for-aluminum-melt-purification\/\">Unidad de filtrado CFF<\/a> para eliminar las impurezas.<\/p>\n<p>Para reducir el contenido de gas en la masa fundida, por ejemplo, sec\u00e1ndola a fondo en un horno, <a href=\"http:\/\/www.alalloycasting.com\/es\/refining-agent-flux\/\">agente refinador<\/a> y las herramientas necesarias para realizar una cocci\u00f3n a fondo, reducir el contenido de agua de diversos materiales, evitar que la masa fundida permanezca demasiado tiempo en el horno, evitar que se sobrecaliente, etc.<\/p>\n<p>Para reducir el tama\u00f1o de la zona de transici\u00f3n en el lingote, se pueden adoptar medidas como utilizar el embudo adecuado para garantizar un flujo uniforme, aumentar adecuadamente la temperatura de colada y reducir la velocidad de colada, aumentar adecuadamente la presi\u00f3n del agua para mejorar la resistencia al enfriamiento del lingote y reducir adecuadamente la diferencia de temperatura.<\/p>","protected":false},"excerpt":{"rendered":"<p>For a long time, cast aluminum alloy has been widely used in industry because of its low price, lightweight, and reliable performance. In particular, with&hellip;<\/p>","protected":false},"author":1,"featured_media":5740,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[1704,1703],"class_list":["post-2969","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-aluminum-billet-casting","tag-cast-aluminum-alloy-defect-analysis"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cast Aluminum Alloy Defect Analysis,Aluminum Billet Casting<\/title>\n<meta name=\"description\" content=\"For a long time, cast aluminum alloy has been widely used in industry because of its low price, lightweight, and reliable performance.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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