{"id":1440,"date":"2023-07-15T06:33:10","date_gmt":"2023-07-15T06:33:10","guid":{"rendered":"https:\/\/chemuza.org\/tr\/aluminyum\/"},"modified":"2023-07-15T06:33:10","modified_gmt":"2023-07-15T06:33:10","slug":"aluminyum","status":"publish","type":"page","link":"https:\/\/chemuza.org\/tr\/aluminyum\/","title":{"rendered":"Al\u00fcminyum"},"content":{"rendered":"<p>Al\u00fcminyum, oksijen ve silikondan sonra yery\u00fcz\u00fcnde en \u00e7ok bulunan metallerden biridir. Yer kabu\u011funun toplam k\u00fctlesinin %8&#8217;inden biraz fazlas\u0131n\u0131 temsil eder ve \u00e7o\u011fu kayada ve insan v\u00fccudunda bulunur. Ancak y\u00fcksek kimyasal aktivitesi nedeniyle do\u011fada saf halde bulunmaz. \u00d6zelliklerini, \u00f6zelliklerini ve kullan\u0131mlar\u0131n\u0131 ke\u015ffedin.<\/p>\n<h2> <strong>Al\u00fcminyum nedir?<\/strong><\/h2>\n<p> Periyodik tablonun metalik bir kimyasal elementidir, do\u011fal durumuna mika, feldispat ve plajiyoklaz gibi bir\u00e7ok silikat i\u00e7inde ula\u015f\u0131l\u0131r. Boksitten \u00f6nce al\u00fcminaya, sonra elektroliz yoluyla metalik al\u00fcminyuma d\u00f6n\u00fc\u015ft\u00fcr\u00fclerek \u00e7\u0131kar\u0131l\u0131r.<\/p>\n<h3> <strong>Al\u00fcminyum sembol\u00fc<\/strong><\/h3>\n<p> Latince al\u00fcmen kelimesinden gelen ve \u015fap anlam\u0131na gelen <span class=\"content-chemical-element\" style=\"float: left;width: 65px;height: 65px;border: 3px solid #666; display:flex;\n    justify-content: center;align-items: center;margin-right: 15px;\"><span style=\"font-size: 38px;\">Al<\/span><\/span> Sembol\u00fc, onu boyalarda ve b\u00fcz\u00fcc\u00fclerde kullan\u0131lan \u00e7ift s\u00fclfatla ili\u015fkilendirir.<\/p>\n<h2> <strong>Al\u00fcminyumun \u00f6zellikleri<\/strong><\/h2>\n<p> Oda s\u0131cakl\u0131\u011f\u0131nda ya da donma s\u0131cakl\u0131klar\u0131nda darbe, delme, kesme gibi fiziksel de\u011fi\u015fikliklere kar\u015f\u0131 dayan\u0131kl\u0131 bir metaldir. Ancak duralumin gibi ala\u015f\u0131mlar halinde geldi\u011finde mukavemeti titanyum veya \u00e7eli\u011fe benzer \u015fekilde artar, ancak biraz daha hafiftir. Ek olarak ba\u015fka \u00f6zelliklere de sahiptir:<\/p>\n<ul>\n<li> <strong>Renk:<\/strong> G\u00fcm\u00fc\u015fi beyaz ve parlak.<\/li>\n<li> <strong>Yeniden Kullan\u0131m:<\/strong> Ala\u015f\u0131mlar\u0131 herhangi bir mekanik \u00f6zelli\u011fini kaybetmeden tekrar tekrar eritilme \u00f6zelli\u011fine sahiptir.<\/li>\n<li> <strong>Hafiflik:<\/strong> Demirle kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda \u00fc\u00e7 kat daha hafiftir ve 2,7 gram\/cm3 a\u011f\u0131rl\u0131\u011f\u0131 vard\u0131r.<\/li>\n<li> <strong>\u0130letkenlik:<\/strong> Elektri\u011fi iletme \u00f6zelli\u011fine sahiptir.<\/li>\n<li> <strong>Esneklik:<\/strong> Demir ve g\u00fcm\u00fc\u015f aras\u0131nda orta derecede s\u00fcnekli\u011fe sahiptir. Deforme edilebilir oldu\u011fundan kablolar ve teller yap\u0131labilir.<\/li>\n<li> <strong>D\u00f6v\u00fclebilirlik:<\/strong> Kutu veya al\u00fcminyum folyo gibi ince tabakalar halinde lamine edilmesini sa\u011flar.<\/li>\n<li> <strong>Diren\u00e7:<\/strong> Kolayca oksitlenir, ancak korozyona maruz kald\u0131\u011f\u0131nda y\u00fczeyi koruyan bir oksit tabakas\u0131 olu\u015fturur.<\/li>\n<li> <strong>Yanmaz:<\/strong> Yanmaz ve toksik madde \u00fcretmez.<\/li>\n<\/ul>\n<h2> <strong>Al\u00fcminyumun kimyasal ve fiziksel \u00f6zellikleri<\/strong><\/h2>\n<ol>\n<li> <strong>Atom numaras\u0131:<\/strong> 13<\/li>\n<li> <strong>Valensiya:<\/strong> 3<\/li>\n<li> <strong>Kaynama noktas\u0131 (\u00b0C):<\/strong> 2467<\/li>\n<li> <strong>Erime noktas\u0131 (\u00b0C):<\/strong> 660<\/li>\n<li> <strong>Elektronegatiflik:<\/strong> 1,5<\/li>\n<li> <strong>Kovalent yar\u0131\u00e7ap (A):<\/strong> 0,50 (+3)<\/li>\n<li> <strong>\u0130yonik yar\u0131\u00e7ap (A):<\/strong> 0,535 A<\/li>\n<li> <strong>Atom yar\u0131\u00e7ap\u0131 (A):<\/strong> 1,43<\/li>\n<li> <strong>Elektronlar:<\/strong> 13 \u00fccretsiz<\/li>\n<li> <strong>Protonlar:<\/strong> 13<\/li>\n<li> <strong>Atom hacmi:<\/strong> 10 cm\u00b3\/mol<\/li>\n<li> <strong>Oksidasyon durumu:<\/strong> 3<\/li>\n<li> <strong>Atom k\u00fctlesi:<\/strong> 26.9815<\/li>\n<li> <strong>Yo\u011funluk:<\/strong> 2,70<\/li>\n<li> <strong>Optik yans\u0131tma:<\/strong> %71<\/li>\n<li> <strong>Elektronik konfig\u00fcrasyon:<\/strong> [Ne] 3s23p <sup>1<\/sup><\/li>\n<li> <strong>\u0130lk iyonla\u015fma potansiyeli<\/strong> (eV): 6,00<\/li>\n<li> <strong>Is\u0131 iletkenli\u011fi:<\/strong> 2,37 w\/cmk<\/li>\n<li> <strong>Elektriksel iletkenlik:<\/strong> 0,377 10 <sup>6<\/sup> \/cm<\/li>\n<\/ol>\n<h2> <strong>Al\u00fcminyumun k\u00f6keni<\/strong><\/h2>\n<p> 1827 y\u0131l\u0131nda al\u00fcminyum ve potasyum klor\u00fcr\u00fcn reaksiyona sokulmas\u0131yla toz halinde elde edilen Alman kimyager Friedrich Wohler taraf\u0131ndan ke\u015ffedildi. Daha sonra 1845 y\u0131l\u0131nda ke\u015ffedilen metalin hafiflik, yo\u011funluk gibi \u00f6zelliklerini kendisi belirleyerek bunlar\u0131 toplara ay\u0131rd\u0131.<\/p>\n<h2> <strong>Al\u00fcminyum ne i\u00e7in kullan\u0131l\u0131r?<\/strong><\/h2>\n<p> Optik \u00f6zellikleri, yans\u0131t\u0131c\u0131 teleskoplar gibi ev tipi ve end\u00fcstriyel aynalar\u0131n imalat\u0131nda kullan\u0131l\u0131r. Ayr\u0131ca al\u00fcminyum folyo, kozmetik, ila\u00e7, haz\u0131r g\u0131da, t\u00fct\u00fcn, kahve ve a\u015f\u0131 yap\u0131m\u0131nda da kullan\u0131l\u0131yor.<\/p>\n<p> Ayn\u0131 \u015fekilde polietilen plastik, karton ve al\u00fcminyumdan yap\u0131lm\u0131\u015f teneke kutu ve Tetra Briks kaplar\u0131n yap\u0131m\u0131nda da kullan\u0131l\u0131r. Metal ala\u015f\u0131mlar\u0131 sayesinde kazan ve ta\u015f\u0131t imalat\u0131n\u0131n yan\u0131 s\u0131ra mimari yap\u0131larda da kullan\u0131lmaktad\u0131r. Ayr\u0131ca mutfak e\u015fyalar\u0131 gibi baz\u0131 ev aletlerinde de bulunur.<\/p>\n<p> D\u00fc\u015f\u00fck s\u0131cakl\u0131klardaki iyi performans\u0131 nedeniyle kriyojenik kaplar\u0131n yap\u0131m\u0131nda kullan\u0131l\u0131r. Ayn\u0131 \u015fekilde y\u00fcksek reaktivitesi nedeniyle al\u00fcmotermik kaynakta kullan\u0131ld\u0131\u011f\u0131 gibi patlay\u0131c\u0131 ve kimyasal yak\u0131t olarak da kullan\u0131l\u0131r. Al\u00fcminyum oksit kristal veya amorf formda kullan\u0131l\u0131r ve daha sonra yakut veya safir olarak adland\u0131r\u0131lan k\u0131rm\u0131z\u0131 veya mavi bir de\u011ferli ta\u015f olan korundum yap\u0131labilir.<\/p>\n<h2> <strong>Al\u00fcminyum nas\u0131l geri d\u00f6n\u00fc\u015ft\u00fcr\u00fcl\u00fcr?<\/strong><\/h2>\n<p> Bu metalin geri d\u00f6n\u00fc\u015f\u00fcm\u00fc, t\u00fcm at\u0131klar\u0131n ba\u015fka \u00fcr\u00fcnlere d\u00f6n\u00fc\u015ft\u00fcr\u00fcld\u00fc\u011f\u00fc bir s\u00fcre\u00e7ten olu\u015fur. Bunu ba\u015farmak i\u00e7in, al\u00fcminyumun elektrolizi yoluyla al\u00fcminyum \u00fcretiminden farkl\u0131 olarak, daha ucuz olan ve daha az enerji t\u00fcketen metal yeniden eritilir. Geri d\u00f6n\u00fc\u015f\u00fcm ad\u0131mlar\u0131 \u015funlard\u0131r:<\/p>\n<ul>\n<li> Metali toplay\u0131n.<\/li>\n<li> Geri d\u00f6n\u00fc\u015f\u00fcm tesisine aktar\u0131n<\/li>\n<li> Ay\u0131rma ve temizleme.<\/li>\n<li> Bloklar malzemenin ezilmesiyle olu\u015fturulur.<\/li>\n<li> Yeni malzeme tabakalar\u0131 kullan\u0131lmak \u00fczere eritilir.<\/li>\n<\/ul>\n<h2> <strong>Al\u00fcminyumun neden oldu\u011fu hastal\u0131klar<\/strong><\/h2>\n<p> Y\u00fcksek d\u00fczeyde kullan\u0131lmas\u0131 halinde sa\u011fl\u0131\u011fa ciddi zararlar verebilece\u011fine inan\u0131lmaktad\u0131r. Ancak bunun hangi d\u00fczeyde hasara yol a\u00e7abilece\u011fi belli de\u011fil. Bu Alzheimer hastal\u0131\u011f\u0131, maligniteler, g\u0131da alerjileri ve b\u00f6brek hastal\u0131\u011f\u0131 gibi baz\u0131 hastal\u0131klarla ili\u015fkilendirilmi\u015ftir.<\/p>\n<p> Sonu\u00e7 olarak al\u00fcminyum yery\u00fcz\u00fcnde en \u00e7ok bulunan metaldir ve \u00e7elikten sonra kullan\u0131lmaktad\u0131r. \u00d6zellikleri nedeniyle ula\u015f\u0131m, ila\u00e7, in\u015faat, uydu, paketleme gibi bir\u00e7ok ama\u00e7la kullan\u0131lmaktad\u0131r.<\/p>\n<h2> Al\u00fcminyum hakk\u0131nda daha fazla bilgi<\/h2>\n","protected":false},"excerpt":{"rendered":"<p>Al\u00fcminyum, oksijen ve silikondan sonra yery\u00fcz\u00fcnde en \u00e7ok bulunan metallerden biridir. Yer kabu\u011funun toplam k\u00fctlesinin %8&#8217;inden biraz fazlas\u0131n\u0131 temsil eder ve \u00e7o\u011fu kayada ve insan v\u00fccudunda bulunur. Ancak y\u00fcksek kimyasal aktivitesi nedeniyle do\u011fada saf halde bulunmaz. \u00d6zelliklerini, \u00f6zelliklerini ve kullan\u0131mlar\u0131n\u0131 ke\u015ffedin. Al\u00fcminyum nedir? Periyodik tablonun metalik bir kimyasal elementidir, do\u011fal durumuna mika, feldispat ve plajiyoklaz &#8230; <a title=\"Al\u00fcminyum\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/aluminyum\/\" aria-label=\"More on Al\u00fcminyum\">Devam\u0131n\u0131 oku<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Al\u00fcminyum - Chemuza<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/chemuza.org\/tr\/aluminyum\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Al\u00fcminyum - Chemuza\" \/>\n<meta property=\"og:description\" content=\"Al\u00fcminyum, oksijen ve silikondan sonra yery\u00fcz\u00fcnde en \u00e7ok bulunan metallerden biridir. 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