{"id":3051,"date":"2018-01-23T09:12:45","date_gmt":"2018-01-23T09:12:45","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=3051"},"modified":"2018-01-23T09:13:04","modified_gmt":"2018-01-23T09:13:04","slug":"flux-for-aluminum-melting","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/tr\/flux-for-aluminum-melting\/","title":{"rendered":"Al\u00fcminyum Ergitme i\u00e7in Ak\u0131"},"content":{"rendered":"

Al\u00fcminyum Ergitme i\u00e7in Ak\u0131<\/strong> Al\u00fcminyum d\u00f6k\u00fcmhanelerinde, eriyikteki oksidasyonu azaltmak, atmosferik hidrojenin n\u00fcfuzunu en aza indirmek, eriyik i\u00e7inde as\u0131l\u0131 bulunan metalik olmayan kal\u0131nt\u0131lar\u0131 emmek, f\u0131r\u0131n\/potan\u0131n duvarlar\u0131n\u0131 biriken oksitlerden temiz tutmak, c\u00fcrufta hapsolmu\u015f al\u00fcminyum i\u00e7eri\u011fini azaltmak, eriyikte \u00e7\u00f6z\u00fcnm\u00fc\u015f hidrojeni gidermek, kat\u0131la\u015fma s\u0131ras\u0131nda al\u00fcminyum taneciklerinin inceltilmesini sa\u011flamak, silikon i\u00e7eren ala\u015f\u0131mlardaki silikon kal\u0131nt\u0131lar\u0131n\u0131 modifiye etmek ve fazla magnezyumu oksitlemek amac\u0131yla kullan\u0131l\u0131r.<\/p>\n

Ak\u0131 eklemenin yayg\u0131n olarak uygulanan y\u00f6ntemi, elle uygulamad\u0131r.
\nAk\u0131\u015fkanlar\u0131n \u00e7o\u011fu eriyik y\u00fczeyine uygulan\u0131r ve eriyik i\u00e7ine kar\u0131\u015ft\u0131r\u0131l\u0131r. Baz\u0131 ak\u0131\u015fkanlar (gaz giderme, tane inceltme) ise \u00f6nceden \u0131s\u0131t\u0131lm\u0131\u015f, delikli bir \u00e7an vas\u0131tas\u0131yla eriyik taban\u0131na dald\u0131r\u0131l\u0131r.<\/p>\n

Ak\u0131\u015fkanlar, inert gaz (argon veya azot) ak\u0131m\u0131 i\u00e7inde toz halinde enjeksiyon yoluyla da eriyik i\u00e7ine verilebilir.
\nEn basit ak\u0131 enjeksiyon tekni\u011fi, eriyik i\u00e7ine dald\u0131r\u0131lan bir m\u0131zrakt\u0131r.
\nEn etkili ak\u0131 besleme y\u00f6ntemi, d\u00f6ner gaz giderici ile enjeksiyondur.<\/p>\n

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

Gaz giderme ak\u0131\u015flar\u0131<\/strong>
\nErimi\u015f al\u00fcminyum ala\u015f\u0131mlar\u0131n\u0131n gazdan ar\u0131nd\u0131r\u0131lmas\u0131 i\u00e7in klor ve flor i\u00e7eren tuzlardan olu\u015fan ak\u0131\u015fkanlar kullan\u0131l\u0131r. Gazdan ar\u0131nd\u0131rma ak\u0131\u015fkanlar\u0131 genellikle tablet \u015feklinde \u00fcretilir. Gazdan ar\u0131nd\u0131rma i\u015flemi, ak\u0131\u015fkan tabletinin temiz, \u00f6nceden \u0131s\u0131t\u0131lm\u0131\u015f ve delikli bir \u00e7an yard\u0131m\u0131yla f\u0131r\u0131n\u0131n taban\u0131na dald\u0131r\u0131lmas\u0131yla ba\u015flar. Flux bile\u015fenleri al\u00fcminyumla reaksiyona girerek gaz halindeki bile\u015fikler (al\u00fcminyum klor\u00fcr, al\u00fcminyum flor\u00fcr) olu\u015fturur. Gaz, eriyik i\u00e7inde kabarc\u0131klar olu\u015fturarak yukar\u0131 do\u011fru y\u00fckselir. Olu\u015fan kabarc\u0131klar i\u00e7indeki hidrojenin k\u0131smi bas\u0131nc\u0131 \u00e7ok d\u00fc\u015f\u00fck oldu\u011fundan, erimi\u015f al\u00fcminyumdan kabarc\u0131klara dif\u00fcze olur. Kabarc\u0131klar eriyikten d\u0131\u015far\u0131 \u00e7\u0131kar ve gaz daha sonra egzoz sistemi taraf\u0131ndan uzakla\u015ft\u0131r\u0131l\u0131r. \u0130\u015flem, kabarc\u0131klanma durana kadar devam eder. Gaz giderici ak\u0131, enjeksiyon y\u00f6ntemiyle de verilebilir. Bu durumda, inert gaz, gran\u00fcl halindeki ak\u0131 i\u00e7in ta\u015f\u0131y\u0131c\u0131 g\u00f6revi g\u00f6r\u00fcr. Gaz giderme etkisi yan\u0131 s\u0131ra, bu i\u015flem eriyik i\u00e7inde as\u0131l\u0131 bulunan metalik olmayan kal\u0131nt\u0131lar\u0131n da uzakla\u015ft\u0131r\u0131lmas\u0131n\u0131 sa\u011flar (temizleme etkisi).<\/p>\n

Tah\u0131l ar\u0131tma tesisleri<\/strong><\/a>
\nTitanyum ve bor i\u00e7eren tuzlardan (K\u2082TiF\u2086 ve KBF\u2084) olu\u015fan tane inceltici ak\u0131\u015fkanlar. Bu ak\u0131\u015fkanlar, al\u00fcminyum eriyi\u011fi so\u011furken \u00e7ok say\u0131da TiAl\u2083 ve TiB\u2082 \u00e7ekirde\u011finin olu\u015fmas\u0131na neden olur. Al\u00fcminyum taneleri, \u00e7ekirdeklerin y\u00fczeyinde kat\u0131la\u015fmaya ba\u015flar. Ortalama kat\u0131 tane boyutu, kat\u0131la\u015fma \u00f6ncesinde eriyik i\u00e7indeki \u00e7ekirdeklerin konsantrasyonuna g\u00f6re belirlenir. \u0130nce taneli yap\u0131, kat\u0131la\u015fma s\u0131ras\u0131nda daha iyi ak\u0131\u015fkanl\u0131k, safs\u0131zl\u0131klar\u0131n d\u00fc\u015f\u00fck mikrosegregasyonu ve d\u00fc\u015f\u00fck b\u00fcz\u00fclme g\u00f6zeneklili\u011fi ile karakterize edilir. Al\u00fcminyum tane inceltmenin alternatif bir y\u00f6ntemi, titanyum ve bor i\u00e7eren ana ala\u015f\u0131mlar\u0131n (\u00f6rn. Al-5%Ti-1%B) eklenmesidir.<\/p>","protected":false},"excerpt":{"rendered":"

Flux For Aluminum Melting is solid substances (commonly mixtures of chloride and fluoride salts) used in aluminum foundries in order to reduce the melt oxidation, minimize penetration of the atmospheric Hydrogen, absorb non-metallic inclusions suspended in the melt, keep the furnace\/ladle wall clean from the…<\/p>","protected":false},"author":1,"featured_media":3034,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[52],"tags":[763,757,758,759],"yoast_head":"\nFlux For Aluminum Melting-AdTech Metallurgical Materials Co.,Ltd.<\/title>\n<meta name=\"description\" content=\"Flux For Aluminum Melting is solid substances (commonly mixtures of chloride and fluoride salts) used in aluminum foundries in order to reduce the melt....\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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