![\"Erimi\u015f](\"https:\/\/aluminiumceramicfiber.com\/wp-content\/uploads\/2021\/04\/Molten-Aluminum-Degassing-Refining.jpg\")
<\/p>\nErimi\u015f al\u00fcminyum ve ala\u015f\u0131mlar\u0131n\u0131n gaz giderme ve ar\u0131tma i\u015flemi, d\u00f6k\u00fcm \u00f6ncesinde at\u0131lmas\u0131 gereken \u00f6nemli ad\u0131mlardan biridir. Gaz giderme i\u015flemi, hidrojen i\u00e7eri\u011fini azaltmak amac\u0131yla yap\u0131l\u0131r. \u00c7evrimi\u00e7i gaz giderme yayg\u0131n olarak kullan\u0131lan bir y\u00f6ntemdir ve SNIF, LARS ve di\u011fer \u00e7evrimi\u00e7i gaz giderme ve ar\u0131tma ekipmanlar\u0131 yard\u0131m\u0131yla ger\u00e7ekle\u015ftirilir.<\/p>\n
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D\u00f6k\u00fcm \u00fcr\u00fcn\u00fcn\u00fcn mikro yap\u0131s\u0131n\u0131 iyile\u015ftirmek i\u00e7in tane yap\u0131s\u0131n\u0131 inceltmek. Bu i\u015flem, d\u00f6k\u00fcm \u00f6ncesinde veya s\u0131ras\u0131nda eriyik i\u00e7ine bir tane inceltici ilave edilmesini i\u00e7erir.<\/p>\n
Al\u00fcminyum eriyik, inert gaz ile gaz halindeki bir k\u00fck\u00fcrt halojen\u00fcr bile\u015fi\u011finin s\u0131k\u0131 bir kar\u0131\u015f\u0131m\u0131yla temas halindedir ve gaz kar\u0131\u015f\u0131m\u0131, bir p\u00fcsk\u00fcrtme tabancas\u0131 veya di\u011fer geleneksel giri\u015f cihazlar\u0131 kullan\u0131larak eriyik i\u00e7inden ge\u00e7irilir. Ergitme i\u00e7inde s\u00fcr\u00fcklenen kat\u0131 kal\u0131nt\u0131 par\u00e7ac\u0131klar\u0131 y\u00fczeye \u00e7\u0131kar\u0131l\u0131r, b\u00f6ylece hidrojen giderilir ve ergitme bu \u015fekilde etkili bir \u015fekilde gazdan ar\u0131nd\u0131r\u0131l\u0131r.<\/p>\n
Ar\u0131t\u0131lacak al\u00fcminyum i\u00e7eren eriyik, genellikle yakla\u015f\u0131k 1200 derece Fahrenheit ile yakla\u015f\u0131k 1550 derece Fahrenheit aras\u0131ndaki geleneksel gaz giderme s\u0131cakl\u0131\u011f\u0131nda tutulur. Ergitin i\u00e7inden gaz\u0131n ge\u00e7irilmesi, ergitten do\u011fal olarak \u0131s\u0131 enerjisini uzakla\u015ft\u0131r\u0131r; bu sayede normal i\u015fleme ko\u015fullar\u0131 alt\u0131nda ergit, 100 derece Fahrenheit'e kadar, ancak tercihen 50 derece Fahrenheit'ten daha az bir s\u0131cakl\u0131k d\u00fc\u015f\u00fc\u015f\u00fcne dayanabilir. Al\u00fcminyum ve al\u00fcminyum ala\u015f\u0131mlar\u0131 safla\u015ft\u0131r\u0131l\u0131r ve al\u00fcminyum y\u00fczeyinde bulunan bu safs\u0131zl\u0131klar, safs\u0131zl\u0131k i\u00e7eri\u011fi \u00f6nceden belirlenmi\u015f bir d\u00fczeye indirilene kadar uygun bir s\u00fcre i\u00e7inde inert gaz i\u00e7indeki s\u00fcr\u00fcklenen hidrojenle birlikte uzakla\u015ft\u0131r\u0131l\u0131r. Al\u00fcminyum y\u00fczeyinde bu safs\u0131zl\u0131klar\u0131 i\u00e7eren ortaya \u00e7\u0131kan c\u00fcruf, kuru toz halindeki bir malzemedir. Y\u00fczeyden s\u0131y\u0131r\u0131ld\u0131\u011f\u0131nda, etkili ar\u0131nd\u0131rma etkisini art\u0131rabilir, bitmi\u015f d\u00f6k\u00fcmdeki c\u00fcruf safs\u0131zl\u0131klar\u0131n\u0131 azaltabilir ve birincil al\u00fcminyum israf\u0131n\u0131 en aza indirebilir.<\/p>\n