![\"\"](\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/11\/Aluminum-Liquid-Filtration.jpg\")
<\/p>\nGenel olarak, d\u00f6k\u00fcm \u00f6ncesinde erimi\u015f al\u00fcminyum ala\u015f\u0131mlar\u0131ndan s\u00fcr\u00fcklenen kat\u0131 maddeleri gidermek i\u00e7in iki filtreleme y\u00f6ntemi kullan\u0131l\u0131r. En yayg\u0131n filtre malzemesi, metal aktar\u0131m kab\u0131na, d\u00f6kme a\u011fz\u0131n\u0131n \u00e7evresine veya hatta kat\u0131la\u015fan k\u00fcl\u00e7enin tepesindeki erimi\u015f metal havuzuna yerle\u015ftirilen a\u00e7\u0131k dokumal\u0131 cam kuma\u015f s\u00fczgektir. Bu kuma\u015f s\u00fczge\u00e7ler, metalden yaln\u0131zca en b\u00fcy\u00fck boyutlardaki kal\u0131nt\u0131lar\u0131 ay\u0131klayabilir ve erimi\u015f al\u00fcminyumun s\u0131cakl\u0131\u011f\u0131nda cam elyaflar\u0131 \u00e7ok zay\u0131flad\u0131\u011f\u0131ndan kullan\u0131m s\u0131ras\u0131nda kolayca k\u0131r\u0131l\u0131r.<\/p>\n
Ba\u015fka bir mevcut teknikte, erimi\u015f al\u00fcminyum, serbest al\u00fcmina par\u00e7ac\u0131klar\u0131ndan olu\u015fan bir yatak (\u00f6rne\u011fin, tabular al\u00fcmina) \u00fczerinden s\u00fcz\u00fcl\u00fcr; ancak bu y\u00f6ntem, yatak filtreleriyle genellikle ili\u015fkilendirilen dezavantajlara sahiptir: \u00e7ok fazla kat\u0131 maddenin ge\u00e7mesine izin verir, verimli kullan\u0131m\u0131 engelleyen g\u00fc\u00e7l\u00fc bir kanalla\u015fma e\u011filimi vard\u0131r ve filtrenin g\u00f6zenek boyutu kolayca kontrol edilemez; aksine kullan\u0131m ko\u015fullar\u0131 alt\u0131nda kolayca de\u011fi\u015fir, b\u00f6ylece ba\u015flang\u0131\u00e7ta uygun boyutta olsa bile etkili bir \u015fekilde korunamaz. Ayr\u0131ca, filtre kullan\u0131lmad\u0131\u011f\u0131nda metalin s\u00fcrekli erimi\u015f halde tutulmas\u0131 gerekir.<\/p>\n
Uygulamada erimi\u015f al\u00fcminyum, genellikle nihai d\u00f6k\u00fcm metal \u00fcr\u00fcn\u00fcne zarar veren s\u00fcr\u00fcklenen kat\u0131 maddeler i\u00e7erir. Bu s\u00fcr\u00fcklenen kat\u0131 maddeler genellikle \u00fc\u00e7 kaynaktan gelir. Bunlar\u0131n bir k\u0131sm\u0131, y\u00fczeyinde y\u00fczen oksit tabakas\u0131ndan s\u0131v\u0131 ak\u0131\u015f\u0131na emilen al\u00fcminyum oksit par\u00e7ac\u0131klar\u0131d\u0131r; bir k\u0131sm\u0131 ise f\u0131r\u0131n kaplamas\u0131n\u0131n, aktar\u0131m tavas\u0131 ve erimi\u015f al\u00fcminyum ta\u015f\u0131ma ekipman\u0131n\u0131n a\u015f\u0131narak akan al\u00fcminyum ak\u0131\u015f\u0131na kar\u0131\u015fan di\u011fer par\u00e7alar\u0131ndan gelen par\u00e7alard\u0131r; baz\u0131 par\u00e7ac\u0131klar ise intermetalikler, bor\u00fcrler, karb\u00fcrler gibi \u00e7\u00f6z\u00fcnmeyen safs\u0131zl\u0131klar\u0131n \u00e7\u00f6keltileri veya klor\u00fcrler gibi di\u011fer al\u00fcminyum bile\u015fiklerinin \u00e7\u00f6keltileridir.<\/p>\n
<\/p>\n
Erimi\u015f al\u00fcminyum kat\u0131la\u015ft\u0131ktan sonra bu kal\u0131nt\u0131lar nihai d\u00f6k\u00fcm \u00fcr\u00fcnde ortaya \u00e7\u0131kt\u0131\u011f\u0131nda, s\u00f6z konusu nihai \u00fcr\u00fcn\u00fcn s\u00fcnekli\u011fini azalt\u0131r veya y\u00fczey kalitesinin d\u00fc\u015f\u00fck olmas\u0131na neden olur. Bu nedenle, erimi\u015f al\u00fcminyum ak\u0131\u015f\u0131ndan, bu al\u00fcminyumun oldu\u011fu gibi kullan\u0131labilecek veya haddeleme, d\u00f6vme, ekstr\u00fczyon vb. \u015fekillendirme i\u015flemlerine tabi tutulabilecek kat\u0131 bir g\u00f6vdeye d\u00f6k\u00fclmeden \u00f6nce, i\u00e7inde bulunan kat\u0131 maddelerin uzakla\u015ft\u0131r\u0131lmas\u0131 arzu edilir.<\/p>\n