{"id":6319,"date":"2020-11-11T08:17:44","date_gmt":"2020-11-11T08:17:44","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=6319"},"modified":"2020-11-11T08:17:44","modified_gmt":"2020-11-11T08:17:44","slug":"aluminum-casting-loss","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/tr\/aluminum-casting-loss\/","title":{"rendered":"Al\u00fcminyum D\u00f6k\u00fcm Kayb\u0131"},"content":{"rendered":"

Al\u00fcminyum d\u00f6k\u00fcm kayb\u0131, al\u00fcminyum ve al\u00fcminyum ala\u015f\u0131mlar\u0131n\u0131n eritme i\u015flemi s\u0131ras\u0131nda oksidasyon, u\u00e7ma ve f\u0131r\u0131n duvarlar\u0131 ile ar\u0131tma maddeleriyle etkile\u015fim sonucu ortaya \u00e7\u0131kan, geri kazan\u0131lamayan metal kayb\u0131 ile al\u00fcminyum c\u00fcrufunda bulunan metali ifade eden genel bir terimdir. Al\u00fcminyum d\u00f6k\u00fcm, s\u0131v\u0131 al\u00fcminyumun kar\u0131\u015ft\u0131r\u0131lmas\u0131, \u00e7alkalanmas\u0131, dinlendirilmesi, ar\u0131t\u0131lmas\u0131 ve c\u00fcrufla\u015ft\u0131r\u0131lmas\u0131yla al\u00fcminyum k\u00fcl\u00e7eler, \u00e7ubuklar veya di\u011fer \u015fekillerde bitmi\u015f ya da yar\u0131 mamul \u00fcr\u00fcnlerin elde edilmesi s\u00fcrecidir. Al\u00fcminyum ve al\u00fcminyum ala\u015f\u0131mlar\u0131, d\u00f6k\u00fcm i\u015flemi s\u0131ras\u0131nda oksidasyon, ar\u0131tma, c\u00fcrufla\u015ft\u0131rma ve di\u011fer nedenlerle \u00e7e\u015fitli derecelerde kayba u\u011frar.<\/p>\n

D\u00f6k\u00fcm kayb\u0131n\u0131n ba\u015fl\u0131ca d\u0131\u015f belirtileri ikiye ayr\u0131labilir: Bunlardan biri saf al\u00fcminyum k\u00fcl\u00fc \u015feklindeyken, di\u011feri ise iri taneli al\u00fcminyum, kusurlu al\u00fcminyum ve al\u00fcminyum c\u00fcrufu \u015feklindedir.<\/p>\n

Al\u00fcminyum end\u00fcstrisi \u015firketinin eritme ve d\u00f6k\u00fcm at\u00f6lyesi bir istatistik \u00e7al\u0131\u015fmas\u0131 ger\u00e7ekle\u015ftirmi\u015ftir. Buna g\u00f6re, geri kazan\u0131lamayan saf al\u00fcminyum k\u00fcl\u00fc, d\u00f6k\u00fcm kayb\u0131n\u0131n (oksidasyon kaynakl\u0131 yanma kayb\u0131 ve c\u00fcruf olu\u015fumu) yakla\u015f\u0131k 90%\u2019sini olu\u015ftururken, di\u011fer fakt\u00f6rler ise yakla\u015f\u0131k 10%\u2019sini olu\u015fturmaktad\u0131r. 10%'yi olu\u015fturan di\u011fer fakt\u00f6rler i\u00e7in de ek istatistikler haz\u0131rlanm\u0131\u015ft\u0131r. Analize g\u00f6re, bu durum esas olarak b\u00fcy\u00fck al\u00fcminyum ve kalitesiz al\u00fcminyumun ikincil f\u0131r\u0131n yanma kayb\u0131 ile al\u00fcminyum k\u00fcl\u00fcndeki al\u00fcminyum i\u00e7eri\u011finden (al\u00fcminyum k\u00fcl al\u00fcminyumunun ana hammaddesi) kaynaklanmaktad\u0131r. Bu nedenle, d\u00f6k\u00fcm kayb\u0131n\u0131n temel nedenleri oksidasyon yanma kayb\u0131, ikincil f\u0131r\u0131nda \u00fcr\u00fcn al\u00fcminyumun yanma kayb\u0131 ve al\u00fcminyum k\u00fcllerindeki al\u00fcminyum i\u00e7eri\u011fidir.<\/p>\n

\"Al\u00fcminyum<\/p>\n

D\u00f6k\u00fcm kayb\u0131n\u0131 etkileyen fakt\u00f6rler \u015funlard\u0131r:<\/strong><\/p>\n

1) S\u0131v\u0131 al\u00fcminyum s\u0131cakl\u0131\u011f\u0131.<\/p>\n

2) S\u0131v\u0131 al\u00fcminyum ile oksijen aras\u0131ndaki temas g\u00fcc\u00fc.<\/p>\n

3) Al\u00fcminyum c\u00fcrufundaki al\u00fcminyum i\u00e7eri\u011fi.<\/p>\n

4) C\u00fcruf olu\u015fumu yoluyla d\u0131\u015far\u0131 at\u0131lan al\u00fcminyum s\u0131v\u0131s\u0131.<\/p>\n

5) Kusurlu al\u00fcminyum ve d\u00f6kme al\u00fcminyumun fiyat\u0131 ne kadard\u0131r?.<\/p>\n

6) Meydana gelen di\u011fer zararlar.<\/p>\n

D\u00f6k\u00fcm kayb\u0131n\u0131 azaltman\u0131n yollar\u0131: <\/strong><\/p>\n