{"id":2914,"date":"2020-07-18T03:57:11","date_gmt":"2020-07-18T03:57:11","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=2914"},"modified":"2020-10-19T05:57:43","modified_gmt":"2020-10-19T05:57:43","slug":"aluminum-alloy-refining","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/aluminum-alloy-refining\/","title":{"rendered":"Refinado de aleaciones de aluminio"},"content":{"rendered":"

La pr\u00e1ctica en la producci\u00f3n de aleaciones de aluminio ha demostrado que el hidr\u00f3geno es el \u00fanico gas que puede disolverse en grandes cantidades en el aluminio o en las aleaciones de aluminio, y el gas m\u00e1s soluble en las aleaciones de aluminio. Por ello, el refinado de las aleaciones de aluminio es una etapa importante. Al fundir aleaciones de aluminio, el agente de refinado debe a\u00f1adirse en la proporci\u00f3n adecuada. El agente de refinado suele ser de 0,31 TP3T de aleaci\u00f3n de aluminio. El tiempo de desgasificaci\u00f3n no es suficiente. Se utiliza un tubo de acero sin costura. El agente de limpieza se pulveriza con nitr\u00f3geno o arg\u00f3n a 20 cm por debajo del fondo del aluminio l\u00edquido. Tras el lavado y la pulverizaci\u00f3n, se inyecta nitr\u00f3geno o arg\u00f3n durante otros 15-20 minutos. Tras el lavado, se deja reposar durante 10-15 minutos, se retira la escoria de aluminio y se vierte con un filtro de espuma cer\u00e1mica<\/a>.<\/p>\n

\"Refinado<\/p>\n

Varios metales no ferrosos destinados a la fundici\u00f3n presentan la caracter\u00edstica de absorber gases. El metal fundido, durante el proceso de fundici\u00f3n o de mantenimiento del calor, aumenta r\u00e1pidamente la solubilidad del gas absorbido a medida que sube la temperatura de la aleaci\u00f3n. Por lo tanto, adem\u00e1s de controlar correctamente todo el proceso de fundici\u00f3n y colada, la temperatura del metal fundido debe mantenerse lo m\u00e1s baja posible para evitar su sobrecalentamiento. En el caso de las aleaciones que absorben gas con facilidad, debe realizarse la fundici\u00f3n bajo la protecci\u00f3n de un agente de recubrimiento. Solo as\u00ed se pueden evitar los poros de aire y los poros finos.<\/p>\n

Para reducir la oxidaci\u00f3n de la aleaci\u00f3n de aluminio, adem\u00e1s de seleccionar el horno adecuado para la fusi\u00f3n, se debe utilizar un horno de mantenimiento para conservar el calor en la producci\u00f3n de fundici\u00f3n a presi\u00f3n. Se debe evitar la fusi\u00f3n y la producci\u00f3n de fundici\u00f3n a presi\u00f3n, reducir la agitaci\u00f3n en la medida de lo posible, mantener intacta la pel\u00edcula de \u00f3xido l\u00edquido, evitar el sobrecalentamiento innecesario del l\u00edquido de aleaci\u00f3n y acortar al m\u00e1ximo el tiempo que la aleaci\u00f3n permanece en el horno de mantenimiento.<\/p>","protected":false},"excerpt":{"rendered":"

Aluminum alloy production practice has proved that hydrogen is the only gas that can be dissolved in a large amount in aluminum or aluminum alloy,…<\/p>","protected":false},"author":1,"featured_media":5755,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[1470],"class_list":["post-2914","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seo","tag-aluminum-alloy-refining"],"yoast_head":"\nAluminum Alloy Refining,Refining Agent-sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"After aluminum alloy refining, it is sedated for 10-15 minutes, the aluminum slag is stripped off, and poured with a ceramic foam filter.\" \/>\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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