{"id":6803,"date":"2020-06-09T03:31:57","date_gmt":"2020-06-09T03:31:57","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=6803"},"modified":"2020-06-08T03:42:10","modified_gmt":"2020-06-08T03:42:10","slug":"filter-zirconia","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/es\/filter-zirconia\/","title":{"rendered":"Circonia filtrante"},"content":{"rendered":"

La circonita filtrante se utiliza para la filtraci\u00f3n y purificaci\u00f3n de la aleaci\u00f3n de aluminio fundida.<\/strong><\/p>\n

Las inclusiones y los gases presentes en el metal tienen un impacto significativo en la resistencia mec\u00e1nica del material, su resistencia a la fatiga, su resistencia a la corrosi\u00f3n, su comportamiento frente a la corrosi\u00f3n bajo tensi\u00f3n, etc.
\nEl 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 los sectores de la metalurgia, la fundici\u00f3n y los materiales en diversos pa\u00edses.
\nActualmente, la circonita filtrante se utiliza ampliamente para eliminar las inclusiones en las fundiciones de aleaciones de aluminio.<\/p>\n

Formaci\u00f3n de inclusiones en aleaciones de aluminio<\/strong>
\nAlgunas de las inclusiones presentes en la aleaci\u00f3n de aluminio proceden directamente de la carga, mientras que la mayor\u00eda se forman durante el proceso de fusi\u00f3n y colada, siendo principalmente inclusiones de \u00f3xido.
\nTodas las inclusiones presentes antes de la fundici\u00f3n se denominan \u00abinclusiones de oxidaci\u00f3n primarias\u00bb. Se puede utilizar circonio filtrado para eliminar las inclusiones de oxidaci\u00f3n.<\/p>\n

Inclusiones dispersas; estas inclusiones no pueden eliminarse por completo tras el refinado. Aumentan la viscosidad del metal fundido y reducen la capacidad del aluminio para contraerse durante la solidificaci\u00f3n.
\nLas inclusiones de oxidaci\u00f3n secundaria se forman principalmente durante el proceso de fundici\u00f3n. Durante la fundici\u00f3n, el aluminio l\u00edquido entra en contacto con el aire, y el ox\u00edgeno y el aluminio reaccionan formando inclusiones oxidadas.
\nLa aleaci\u00f3n de aluminio entra en contacto con diversos componentes del gas del horno durante el proceso de fundici\u00f3n, formando compuestos como el Al\u2082O\u2083.
\nEl Al\u2082O\u2083 presente en el aluminio l\u00edquido aumentar\u00e1 el contenido de hidr\u00f3geno de la masa fundida residual de aluminio.<\/p>\n

\"\"<\/p>\n

M\u00e9todo de purificaci\u00f3n por filtraci\u00f3n<\/strong>
\nFiltro cer\u00e1mico para fundici\u00f3n<\/a>\u00a0Esta tecnolog\u00eda apareci\u00f3 en la d\u00e9cada de 1970 y se ha utilizado ampliamente en Estados Unidos, Canad\u00e1, Jap\u00f3n, Francia, Australia y Suiza.
\nEs el m\u00e9todo m\u00e1s eficaz para eliminar las inclusiones del aluminio fundido antes de utilizar el puerto de filtrado con placa de filtro de cer\u00e1mica celular.<\/p>\n

En los \u00faltimos a\u00f1os, tambi\u00e9n se han estudiado algunas nuevas tecnolog\u00edas para la purificaci\u00f3n del aluminio l\u00edquido, tanto a nivel nacional como internacional, como el tratamiento din\u00e1mico al vac\u00edo, la purificaci\u00f3n mediante desgasificaci\u00f3n continua por ultrasonidos y el filtro de circonio, que han dado muy buenos resultados.
\nEn cuanto a la filtraci\u00f3n mediante filtro met\u00e1lico y tela de fibra, solo se pueden eliminar las inclusiones de gran tama\u00f1o presentes en la masa fundida de la aleaci\u00f3n de aluminio, pero no es posible eliminar las inclusiones por debajo del nivel de la micra, y adem\u00e1s el filtro met\u00e1lico tambi\u00e9n contaminar\u00e1 la aleaci\u00f3n de aluminio.
\nEl uso de zirconia Cff permite eliminar peque\u00f1as inclusiones y mejorar significativamente las propiedades mec\u00e1nicas y la calidad est\u00e9tica de las piezas fundidas.<\/p>\n

Principio de filtraci\u00f3n<\/strong>
\nLa placa filtrante de cer\u00e1mica celular presenta una estructura de red multicapa y orificios pasantes multidimensionales, y los orificios est\u00e1n comunicados entre s\u00ed. Durante el filtrado, el aluminio fundido arrastra las inclusiones a lo largo de los canales y poros sinuosos, y estas son interceptadas, adsorbidas y depositadas directamente al entrar en contacto con el esqueleto celular de la placa filtrante. Cuando la masa fundida fluye por el orificio, el canal de la placa filtrante presenta una curvatura, por lo que la masa fundida 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":"

Filter Zirconia is used for aluminum alloy melt filtration and purification Inclusions and gases in the metal have a significant impact on the material’s strength, fatigue resistance, corrosion resistance, stress corrosion cracking performance, etc. Effectively controlling the oxidized inclusions in the melt to improve the…<\/p>","protected":false},"author":1,"featured_media":6805,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[26524],"tags":[39915,39962,39918,39965,39933,39928,39964,39926,39929,39930,39931,39927,39932,39919,39943,39935,39939,39941,39934,39940,39942,39937,39938,39936,39916,39967,39921,39955,39963,39957,39953,39954,39966,39956,39947,39945,39949,39948,39946,39944,39952,39951,39950,39920,39917,39958,39959,39961,39923,39924,39922,39925,39968,39960],"yoast_head":"\nFilter Zirconia is used for aluminum alloy melt filtration and purification<\/title>\n<meta name=\"description\" content=\"Filter Zirconia 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