{"id":4648,"date":"2019-04-12T03:36:56","date_gmt":"2019-04-12T03:36:56","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=4648"},"modified":"2019-04-12T03:36:56","modified_gmt":"2019-04-12T03:36:56","slug":"metallurgy-of-aluminium","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/tr\/metallurgy-of-aluminium\/","title":{"rendered":"Al\u00fcminyum Metalurjisi"},"content":{"rendered":"<p><strong>Al\u00fcminyum Metalurjisi<\/strong><\/p>\n<p>Al\u00fcminyum, periyodik tabloda III A grubuna ait bir elementtir. K, Ca, Na ve Mg ile birlikte aktif bir metaldir. Y\u00fcksek s\u0131cakl\u0131k ko\u015fullar\u0131nda havadaki oksijen, azot, su buhar\u0131, karbondioksit vb. ile reaksiyona girebilir.<\/p>\n<p>Al\u00fcminyum D\u00f6k\u00fcm Metalurjisi, al\u00fcminyumun kar\u0131\u015ft\u0131rma, \u00e7alkalama, dinlendirme, ar\u0131tma, c\u00fcruf giderme ve di\u011fer i\u015flemler yoluyla al\u00fcminyum k\u00fcl\u00e7eleri, \u00e7ubuklar veya di\u011fer \u015fekillerde nihai \u00fcr\u00fcnlere ya da yar\u0131 mamul \u00fcr\u00fcnlere d\u00f6n\u00fc\u015ft\u00fcr\u00fclmesi s\u00fcrecidir. Al\u00fcminyum ve al\u00fcminyum ala\u015f\u0131mlar\u0131, oksidasyon, ar\u0131tma, c\u00fcruf ve di\u011fer nedenlerle d\u00f6k\u00fcm i\u015flemi s\u0131ras\u0131nda farkl\u0131 derecelerde kayba u\u011frar.<\/p>\n<p>S\u00f6zde al\u00fcminyum d\u00f6k\u00fcm kayb\u0131, eritme s\u00fcrecinde metal ve al\u00fcminyum ala\u015f\u0131m\u0131n\u0131n, f\u0131r\u0131n duvar\u0131 ve ar\u0131tma maddesi ile etkile\u015fimi sonucu meydana gelen oksidasyon, buharla\u015fma ve geri kazan\u0131lamayan metal kayb\u0131na verilen genel add\u0131r.<\/p>\n<p>&nbsp;<\/p>\n<p>D\u00f6k\u00fcm kayb\u0131n\u0131n ba\u015fl\u0131ca d\u0131\u015fsal belirtisi iki k\u0131sma ayr\u0131labilir: Bunlardan biri saf al\u00fcminyum k\u00fcl\u00fc \u015feklindeyken, di\u011feri ise iri al\u00fcminyum par\u00e7alar\u0131, kusurlu al\u00fcminyum ve al\u00fcminyum c\u00fcrufu \u015feklindedir. Henan xx Al\u00fcminyum \u015eirketi\u2019nin d\u00f6k\u00fcm at\u00f6lyesinde istatistiksel bir \u00e7al\u0131\u015fma yapt\u0131m. Geri d\u00f6n\u00fc\u015ft\u00fcr\u00fclemeyen saf al\u00fcminyum k\u00fcl\u00fc, d\u00f6k\u00fcm kayb\u0131n\u0131n yakla\u015f\u0131k 90%'sini olu\u015fturmaktad\u0131r (oksidasyon sonucu c\u00fcruf olu\u015fumu); di\u011fer fakt\u00f6rler ise yakla\u015f\u0131k 10%'sini olu\u015fturmaktad\u0131r. 10%'lik k\u0131sm\u0131 olu\u015fturan di\u011fer fakt\u00f6rler, \u00f6zellikle b\u00fcy\u00fck al\u00fcminyum par\u00e7alar ve kusurlu \u00fcr\u00fcnler olmak \u00fczere, daha ayr\u0131nt\u0131l\u0131 istatistiksel analizlere tabi tutulmu\u015ftur. Al\u00fcminyum ve di\u011fer ikincil f\u0131r\u0131n yanma hasarlar\u0131 ile al\u00fcminyumun al\u00fcminyum k\u00fcl i\u00e7eri\u011fi (al\u00fcminyum k\u00fcl ve al\u00fcminyumun ana hammaddesi), dolay\u0131s\u0131yla d\u00f6k\u00fcm hasar\u0131n\u0131n ana nedeni oksitlenerek yanma, ikincil al\u00fcminyum ve di\u011fer ikincil yanma s\u00fcre\u00e7leri ile al\u00fcminyum k\u00fcl miktar\u0131d\u0131r.<\/p>\n<p>Al\u00fcminyumun oksidatif yanma ilkesi, a\u015fa\u011f\u0131daki kimyasal denklemle daha iyi anla\u015f\u0131labilir:<br \/>\n4Al+ 3O\u2082 = 2Al\u2082O\u2083<\/p>\n<p>Metal oksidasyonuna ili\u015fkin termodinamik \u00e7al\u0131\u015fmalar, metalin oksidasyon e\u011filiminin, her bir ala\u015f\u0131m elementinin oksidasyon s\u0131ras\u0131n\u0131n ve oksidasyon derecesinin, metal ile oksijen aras\u0131ndaki afinite taraf\u0131ndan belirlendi\u011fini ve bunlar\u0131n ala\u015f\u0131m\u0131n bile\u015fimi, s\u0131cakl\u0131\u011f\u0131 ve bas\u0131nc\u0131yla ili\u015fkili oldu\u011funu g\u00f6stermektedir. Metal ile oksijen aras\u0131ndaki afinite ne kadar y\u00fcksekse, oksidasyon e\u011filimi o kadar b\u00fcy\u00fck ve oksidasyon derecesi o kadar y\u00fcksek olur. S\u0131cakl\u0131k ne kadar y\u00fcksekse, metal ile oksijen aras\u0131ndaki afinite o kadar b\u00fcy\u00fck olur; oksidasyon e\u011filimi o kadar artar ve oksidasyon derecesi o kadar y\u00fckselir; oksitlerin ayr\u0131\u015fma bas\u0131nc\u0131 ne kadar d\u00fc\u015f\u00fckse, metal ile oksijen aras\u0131ndaki afinite o kadar b\u00fcy\u00fck olur; oksidasyon e\u011filimi o kadar artar ve oksidasyon derecesi o kadar y\u00fckselir.<\/p>\n<p><strong>D\u00f6k\u00fcm kayb\u0131n\u0131 etkileyen fakt\u00f6rler \u015funlard\u0131r:<\/strong><\/p>\n<p>1) S\u0131v\u0131 al\u00fcminyumun s\u0131cakl\u0131\u011f\u0131.<br \/>\n2) S\u0131v\u0131 al\u00fcminyum ile oksijenin temas g\u00fcc\u00fc.<br \/>\n3) Al\u00fcminyum c\u00fcrufundaki al\u00fcminyum i\u00e7eri\u011fi.<br \/>\n4) C\u00fcruf taraf\u0131ndan d\u0131\u015far\u0131 at\u0131lan al\u00fcminyum s\u0131v\u0131s\u0131.<br \/>\n5) Kusurlu al\u00fcminyum ve d\u00f6kme al\u00fcminyumun fiyat\u0131 ne kadard\u0131r?.<br \/>\n6) Di\u011fer zararlar<\/p>\n<p><img class=\"alignnone size-full wp-image-4649\" src=\"http:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/04\/Metallurgy-Of-Aluminium.jpg\" alt=\"Al\u00fcminyum Metalurjisi\" width=\"464\" height=\"640\" srcset=\"https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/04\/Metallurgy-Of-Aluminium.jpg 464w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2019\/04\/Metallurgy-Of-Aluminium-218x300.jpg 218w\" sizes=\"(max-width: 464px) 100vw, 464px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Metallurgy Of Aluminium Aluminum is a group III A element in the periodic table of the elements. It is an active metal next to K, Ca, Na, and Mg. It can interact with oxygen, nitrogen, water vapor, carbon dioxide, etc. in the air under high&#8230;<\/p>","protected":false},"author":1,"featured_media":4649,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[52],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Metallurgy Of Aluminium | Adtech China<\/title>\n<meta name=\"description\" content=\"Aluminum is a group III A element in the periodic table of the elements. 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