{"id":6706,"date":"2020-11-26T07:22:48","date_gmt":"2020-11-26T07:22:48","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=6706"},"modified":"2020-11-27T01:03:56","modified_gmt":"2020-11-27T01:03:56","slug":"filter-purification-method","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/filter-purification-method\/","title":{"rendered":"M\u00e9todo de purificaci\u00f3n por filtraci\u00f3n"},"content":{"rendered":"<p>Las inclusiones y los gases presentes en el metal tienen un impacto significativo en la resistencia mec\u00e1nica, la resistencia a la fatiga, la resistencia a la corrosi\u00f3n y el comportamiento frente a la corrosi\u00f3n bajo tensi\u00f3n del material. El control eficaz de las inclusiones oxidadas en la masa fundida para mejorar la calidad de las barras fundidas y las chapas laminadas se ha convertido en un objetivo com\u00fan que persiguen las industrias metal\u00fargica, de fundici\u00f3n y de materiales de todos los pa\u00edses. En la actualidad, el <a href=\"http:\/\/www.alalloycasting.com\/es\/ceramic-foam-filter-pal\/\">filtro de espuma cer\u00e1mica<\/a> Este m\u00e9todo de purificaci\u00f3n se utiliza ampliamente para eliminar las inclusiones de los fundidos de aleaciones de aluminio.<\/p>\n<p><strong>Formaci\u00f3n de inclusiones en aleaciones de aluminio<\/strong><\/p>\n<p>Parte de las inclusiones en las aleaciones de aluminio proceden directamente de la carga, y la mayor\u00eda de ellas se forman durante el proceso de fundici\u00f3n y colada, siendo principalmente inclusiones de \u00f3xido. Todas las inclusiones presentes antes de la fundici\u00f3n se denominan \u00abinclusiones de oxidaci\u00f3n primarias\u00bb, que pueden dividirse en dos categor\u00edas seg\u00fan su tama\u00f1o: por un lado, las inclusiones grandes con una distribuci\u00f3n irregular en la macroestructura, lo que hace que la estructura de la aleaci\u00f3n sea discontinua y reduce la compacidad de la pieza fundida. Esto se convierte en una fuente de corrosi\u00f3n y de grietas, lo que reduce significativamente la resistencia y la plasticidad de la aleaci\u00f3n; el otro tipo son las inclusiones peque\u00f1as<\/p>\n<p>Las inclusiones dispersas son un tipo de inclusiones que no pueden eliminarse por completo tras el refinado, lo que aumenta la viscosidad del metal fundido y reduce la capacidad de alimentaci\u00f3n del aluminio fundido durante la solidificaci\u00f3n. Las inclusiones de oxidaci\u00f3n secundaria se forman principalmente durante el proceso de colada. Durante la colada, el aluminio fundido entra en contacto con el aire, y el ox\u00edgeno reacciona con el aluminio para formar inclusiones de \u00f3xido. Durante el proceso de fundici\u00f3n, la aleaci\u00f3n de aluminio entra en contacto con diversos componentes del gas del horno, lo que genera compuestos como el Al\u2082O\u2083. El Al\u2082O\u2083 presente en el aluminio fundido aumenta el contenido de hidr\u00f3geno de este. Por lo tanto, el contenido de Al\u2082O\u2083 en el aluminio fundido influye considerablemente en la formaci\u00f3n de poros en la pieza de fundici\u00f3n de aluminio.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6722\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2020\/11\/Filter-Purification-Method.jpg\" alt=\"M\u00e9todo de purificaci\u00f3n por filtraci\u00f3n\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/11\/Filter-Purification-Method.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/11\/Filter-Purification-Method-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p><strong>M\u00e9todo de purificaci\u00f3n por filtraci\u00f3n<\/strong><\/p>\n<p>La tecnolog\u00eda de filtraci\u00f3n con cer\u00e1mica celular surgi\u00f3 en la d\u00e9cada de 1970 y se ha extendido r\u00e1pidamente en Estados Unidos, Canad\u00e1, Jap\u00f3n, Francia, Australia y Suiza. Es la forma m\u00e1s eficaz de eliminar las inclusiones del aluminio fundido.<\/p>\n<p>En los \u00faltimos a\u00f1os, se han investigado en nuestro pa\u00eds y en el extranjero algunas nuevas tecnolog\u00edas para la purificaci\u00f3n del aluminio fundido, como el procesamiento din\u00e1mico al vac\u00edo, la purificaci\u00f3n por desgasificaci\u00f3n continua por ultrasonidos y los filtros cer\u00e1micos de corind\u00f3n, que han dado muy buenos resultados. Sin embargo, estos m\u00e9todos de procesamiento son relativamente complicados y costosos, por lo que resulta dif\u00edcil que se generalicen en la producci\u00f3n industrial. En cuanto a la filtraci\u00f3n mediante malla met\u00e1lica y tela de fibra, solo permiten eliminar las inclusiones de gran tama\u00f1o presentes en la aleaci\u00f3n de aluminio fundida, pero no las inclusiones por debajo del nivel de la micra; adem\u00e1s, la malla met\u00e1lica tambi\u00e9n contamina la aleaci\u00f3n de aluminio. El uso de placas filtrantes de cer\u00e1mica celular permite filtrar las inclusiones finas y mejorar significativamente las propiedades mec\u00e1nicas y la calidad est\u00e9tica de las piezas fundidas.<\/p>\n<p><strong>Principio del m\u00e9todo de purificaci\u00f3n por filtraci\u00f3n<\/strong><\/p>\n<p>La placa filtrante de espuma cer\u00e1mica presenta una estructura reticular multicapa y orificios pasantes multidimensionales, y los orificios est\u00e1n comunicados entre s\u00ed. Durante el filtrado, el aluminio fundido, que transporta inclusiones, fluye a lo largo de los canales sinuosos y los poros, y es interceptado, adsorbido y depositado directamente, entre otros procesos, al entrar en contacto con la estructura espumosa de la placa filtrante. Cuando el metal fundido fluye por el orificio, el canal de la placa filtrante presenta una curvatura, por lo que el metal fundido que circula por \u00e9l cambia de direcci\u00f3n, y las inclusiones chocan contra la pared del orificio y se adhieren firmemente a ella.<\/p>","protected":false},"excerpt":{"rendered":"<p>Inclusions and gases in the metal have a significant impact on the strength, fatigue resistance, corrosion resistance, and stress corrosion cracking performance of the material.&hellip;<\/p>","protected":false},"author":1,"featured_media":6721,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[7179,7192,7193,7202,7200,7201,7181,7198,7199,7197,7196,7195,7188,7190,7182,7184,7185,7183,7189,7191,7187,7186,7180,7177,7194,7178],"class_list":["post-6706","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-filter-purification-for-deepak-dubal","tag-filter-purification-for-dubai-aluminium-dubal-careers","tag-filter-purification-for-dubai-aluminium-co-ltd-dubal","tag-filter-purification-for-dubai-aluminium-company-ltd-dubal","tag-filter-purification-for-dubai-aluminium-company-ltd-uae","tag-filter-purification-for-dubai-aluminium-company-ltd-v-salaam","tag-filter-purification-for-dubai-aluminium-company-ltd-v-salaam-and-others","tag-filter-purification-for-dubai-aluminum-co-ltd-v-salaam","tag-filter-purification-for-dubai-aluminum-co-ltd","tag-filter-purification-for-dubai-aluminum-company-dubal","tag-filter-purification-for-dubai-aluminum-company-limited-dubal","tag-filter-purification-for-dubai-aluminum-company-ltd-dubal","tag-filter-purification-for-dubal-dubai-aluminium-company-limited","tag-filter-purification-for-dubal-dubai-aluminium-co","tag-filter-purification-for-dubal-aluminium-career","tag-filter-purification-for-dubal-aluminium-company-dubai","tag-filter-purification-for-dubal-aluminium-driver-jobs","tag-filter-purification-for-dubal-aluminium-suggestion-scheme","tag-filter-purification-for-dubal-dubai-aluminium","tag-filter-purification-for-dubal-dubai-aluminium-company","tag-filter-purification-for-dubal-dubai-aluminium-company-ltd","tag-filter-purification-for-dubal-dubai-aluminium-company-uae","tag-filter-purification-for-dubal-lab","tag-filter-purification-for-dubal-reviews","tag-filter-purification-for-jobs-in-dubal-dubai-aluminium","tag-filter-purification-for-working-at-dubal"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Filter Purification Method Used in Aluminum Alloy Melt<\/title>\n<meta name=\"description\" content=\"Ceramic foam filter purification method is widely used to remove inclusions in molten aluminum. 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Se trata de un m\u00e9todo m\u00e1s econ\u00f3mico y eficaz.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.alalloycasting.com\/es\/filter-purification-method\/","og_locale":"es_ES","og_type":"article","og_title":"Filter Purification Method Used in Aluminum Alloy Melt","og_description":"Ceramic foam filter purification method is widely used to remove inclusions in molten aluminum. 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