![\"Al\u00fcminyum](\"https:\/\/aluminiumceramicfiber.com\/wp-content\/uploads\/2020\/08\/Temperature-Control-in-Aluminum-Smelting.jpg\")
<\/p>\nAl\u00fcminyum eritme i\u015fleminde s\u0131cakl\u0131k kontrol\u00fc, al\u00fcminyum d\u00f6k\u00fcmhaneleri i\u00e7in b\u00fcy\u00fck \u00f6nem ta\u015f\u0131r. Erime s\u0131cakl\u0131\u011f\u0131n\u0131n \u00e7ok d\u00fc\u015f\u00fck olmas\u0131, ala\u015f\u0131m elementlerinin \u00e7\u00f6z\u00fcnmesine ve ar\u0131tma s\u00fcrecinde gazlar\u0131n ve kal\u0131nt\u0131lar\u0131n at\u0131lmas\u0131na elveri\u015fli de\u011fildir. Bu durum, ayr\u0131\u015fmaya, so\u011fuk ayr\u0131\u015fmaya ve d\u00f6k\u00fcm eksikli\u011fine yol a\u00e7ma e\u011filimini art\u0131r\u0131r; ayr\u0131ca, y\u00fckselticideki \u0131s\u0131n\u0131n yetersizli\u011fi nedeniyle d\u00f6k\u00fcmler d\u00fczg\u00fcn bir \u015fekilde telafi edilemez. T\u00fcm al\u00fcminyum ala\u015f\u0131mlar\u0131n\u0131n erime s\u0131cakl\u0131\u011f\u0131 en az 705 derece olmal\u0131 ve kar\u0131\u015ft\u0131r\u0131lmal\u0131d\u0131r.<\/p>\n
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Erime s\u0131cakl\u0131\u011f\u0131 \u00e7ok y\u00fcksek olursa, enerji israf\u0131 ya\u015fan\u0131r. Ayr\u0131ca, s\u0131cakl\u0131k ne kadar y\u00fcksek olursa, o kadar fazla hidrojen emilir, tane boyutu o kadar iri olur, al\u00fcminyumun oksidasyonu o kadar ciddi hale gelir ve baz\u0131 ala\u015f\u0131m elementlerinin yanmas\u0131 o kadar ciddi olur. Bu durum, mekanik \u00f6zelliklerin azalmas\u0131na, d\u00f6k\u00fcm \u00f6zelliklerinin ve mekanik \u00f6zelliklerin bozulmas\u0131na, modifikasyon etkisinin zay\u0131flamas\u0131na ve d\u00f6k\u00fcmlerin hava s\u0131zd\u0131rmazl\u0131\u011f\u0131n\u0131n azalmas\u0131na yol a\u00e7ar.<\/p>\n
Uygulamada g\u00f6r\u00fcld\u00fc\u011f\u00fc \u00fczere, al\u00fcminyum su h\u0131zl\u0131 bir \u015fekilde daha y\u00fcksek bir s\u0131cakl\u0131\u011fa \u0131s\u0131t\u0131labilir ve t\u00fcm ala\u015f\u0131m elementlerinin (\u00f6zellikle refrakter metal elementlerinin) \u00e7\u00f6z\u00fcnmesini kolayla\u015ft\u0131rmak i\u00e7in uygun \u015fekilde kar\u0131\u015ft\u0131r\u0131labilir. K\u00f6p\u00fck giderildikten sonra d\u00f6k\u00fcm s\u0131cakl\u0131\u011f\u0131 d\u00fc\u015fer. Bu sayede ayr\u0131\u015fma derecesi en aza indirilir ve \u00e7\u00f6z\u00fcnen hidrojen miktar\u0131 azal\u0131r; bu da y\u00fcksek mekanik \u00f6zelliklere sahip homojen ve yo\u011fun d\u00f6k\u00fcmler elde etmek a\u00e7\u0131s\u0131ndan faydal\u0131d\u0131r.<\/p>\n
Al\u00fcminyum eriyi\u011finin s\u0131cakl\u0131\u011f\u0131 \u00e7\u0131plak g\u00f6zle tespit edilmesi zor oldu\u011fundan, hangi tip f\u0131r\u0131n kullan\u0131l\u0131rsa kullan\u0131ls\u0131n, s\u0131cakl\u0131\u011f\u0131 kontrol etmek i\u00e7in s\u0131cakl\u0131k \u00f6l\u00e7\u00fcm cihaz\u0131 kullan\u0131lmal\u0131d\u0131r. S\u0131cakl\u0131k \u00f6l\u00e7\u00fcm cihazlar\u0131 d\u00fczenli olarak kontrol edilmeli ve bak\u0131m\u0131 yap\u0131lmal\u0131d\u0131r. S\u0131cakl\u0131k \u00f6l\u00e7\u00fcm sonu\u00e7lar\u0131n\u0131n do\u011frulu\u011funu sa\u011flamak ve hizmet \u00f6mr\u00fcn\u00fc uzatmak i\u00e7in termovell d\u00fczenli olarak tel f\u0131r\u00e7a ile temizlenmeli ve koruyucu boya ile kaplanmal\u0131d\u0131r.<\/p>\n