{"id":4030,"date":"2018-11-29T07:01:10","date_gmt":"2018-11-29T07:01:10","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=4030"},"modified":"2018-11-29T07:01:10","modified_gmt":"2018-11-29T07:01:10","slug":"temperature-control-during-melting-of-aluminum-alloy","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/tr\/temperature-control-during-melting-of-aluminum-alloy\/","title":{"rendered":"Al\u00fcminyum ala\u015f\u0131m\u0131n\u0131n eritilmesi s\u0131ras\u0131nda s\u0131cakl\u0131k kontrol\u00fc"},"content":{"rendered":"

Al\u00fcminyum ala\u015f\u0131m\u0131n\u0131n eritilmesi s\u0131ras\u0131nda s\u0131cakl\u0131k kontrol\u00fc<\/strong><\/p>\n

Eritme i\u015flemi, metalin ve ala\u015f\u0131m elementlerinin tamamen erimesini ve \u00e7\u00f6z\u00fcnmesini sa\u011flamak i\u00e7in yeterince y\u00fcksek bir s\u0131cakl\u0131\u011fa sahip olmal\u0131d\u0131r.
\nIs\u0131tma s\u0131cakl\u0131\u011f\u0131 \u00e7ok y\u00fcksek oldu\u011funda, erime h\u0131z\u0131 artar ve metal ile f\u0131r\u0131n gaz\u0131, astar ve benzeri unsurlar\u0131n birbirlerine zarar verdi\u011fi s\u00fcre k\u0131sal\u0131r.
\n\u00dcretim uygulamalar\u0131, hammaddenin erimesini h\u0131zland\u0131rmak ve eritme s\u00fcresini k\u0131saltmak amac\u0131yla yap\u0131lan h\u0131zl\u0131 \u0131s\u0131tman\u0131n, verimlilik ve kalitenin art\u0131r\u0131lmas\u0131 a\u00e7\u0131s\u0131ndan faydal\u0131 oldu\u011funu g\u00f6stermi\u015ftir.<\/p>\n

\u00d6te yandan, \u00e7ok y\u00fcksek s\u0131cakl\u0131k a\u015f\u0131r\u0131 \u0131s\u0131nmaya yol a\u00e7ma e\u011filimindedir; \u00f6zellikle alevli yans\u0131ma f\u0131r\u0131n\u0131yla \u0131s\u0131t\u0131ld\u0131\u011f\u0131nda, alev y\u00fckle do\u011frudan temas eder ve erimi\u015f veya yar\u0131 erimi\u015f metale \u015fiddetli bir \u015fekilde \u0131s\u0131n\u0131r; bu da eriyik i\u00e7ine gaz girmesine kolayca neden olur.
\nAyn\u0131 zamanda, s\u0131cakl\u0131k ne kadar y\u00fcksek olursa, metalin f\u0131r\u0131n gaz\u0131, astar vb. ile etkile\u015fimi o kadar h\u0131zlan\u0131r; bu da metal kayb\u0131na ve eriyik kalitesinin d\u00fc\u015fmesine yol a\u00e7ar.
\nA\u015f\u0131r\u0131 \u0131s\u0131nma, sadece b\u00fcy\u00fck miktarda gaz\u0131n emilmesini kolayla\u015ft\u0131rmakla kalmaz, ayn\u0131 zamanda kat\u0131la\u015fma sonras\u0131nda k\u00fcl\u00e7enin tane yap\u0131s\u0131n\u0131 irile\u015ftirme e\u011filimindedir; bu da k\u00fcl\u00e7ede \u00e7atlak olu\u015fma olas\u0131l\u0131\u011f\u0131n\u0131 art\u0131r\u0131r ve ala\u015f\u0131m\u0131n \u00f6zelliklerini olumsuz etkiler.
\nBu nedenle, eritme i\u015flemi s\u0131ras\u0131nda eriyik maddenin a\u015f\u0131r\u0131 \u0131s\u0131nmas\u0131n\u0131 \u00f6nlemek i\u00e7in eritme s\u0131cakl\u0131\u011f\u0131 kontrol edilmelidir.<\/p>\n

Erime s\u0131cakl\u0131\u011f\u0131n\u0131n \u00e7ok d\u00fc\u015f\u00fck olmas\u0131, \u00fcretim uygulamalar\u0131nda bir anlam ifade etmez.
\nBu nedenle, fiili \u00fcretimde eriyik maddenin a\u015f\u0131r\u0131 \u0131s\u0131nmas\u0131n\u0131 \u00f6nlemek, erimeyi h\u0131zland\u0131rmak ve erime s\u00fcresini k\u0131saltmak gerekmektedir.<\/p>\n

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

Al\u00fcminyum ala\u015f\u0131m\u0131n\u0131n eritilmesi s\u0131ras\u0131nda s\u0131cakl\u0131k kontrol\u00fc son derece \u00f6nemlidir.<\/strong>
\nG\u00fcn\u00fcm\u00fczde \u00e7o\u011fu fabrikada, h\u0131zl\u0131 beslemenin ard\u0131ndan y\u00fcksek s\u0131cakl\u0131kta h\u0131zl\u0131 eritme y\u00f6ntemi kullan\u0131lmaktad\u0131r; bu y\u00f6ntemle yar\u0131 kat\u0131 ve yar\u0131 s\u0131v\u0131 haldeki metal, k\u0131sa bir s\u00fcre boyunca g\u00fc\u00e7l\u00fc bir f\u0131r\u0131n gaz\u0131 ve alevine maruz b\u0131rak\u0131larak metalin oksidasyonu, yanma kayb\u0131 ve erimesi azalt\u0131lmaktad\u0131r. F\u0131r\u0131n d\u00fczle\u015ftirildikten sonra bir s\u0131v\u0131 metal tabakas\u0131 ortaya \u00e7\u0131kt\u0131\u011f\u0131nda, eriyik i\u00e7inde yerel a\u015f\u0131r\u0131 \u0131s\u0131nmay\u0131 azaltmak i\u00e7in eritme s\u0131cakl\u0131\u011f\u0131 uygun \u015fekilde d\u00fc\u015f\u00fcr\u00fclmeli ve eriyik i\u00e7indeki \u0131s\u0131 transferini kolayla\u015ft\u0131rmak amac\u0131yla eritme i\u015flemi s\u0131ras\u0131nda kar\u0131\u015ft\u0131rma art\u0131r\u0131lmal\u0131d\u0131r.
\n\u00d6zellikle, hammaddenin tamamen eridi\u011fi erime s\u0131cakl\u0131\u011f\u0131n\u0131n kontrol edilmesi gerekmektedir.
\nMetal veya ala\u015f\u0131m\u0131n gizli \u0131s\u0131s\u0131 nedeniyle, hammadde tamamen eridi\u011finde s\u0131cakl\u0131k y\u00fckselir. Bu durumda, erime s\u0131cakl\u0131\u011f\u0131 \u00e7ok y\u00fcksek tutulursa, t\u00fcm erimi\u015f metal havuzundaki metal a\u015f\u0131r\u0131 \u0131s\u0131n\u0131r.
\n\u00dcretim uygulamalar\u0131nda, ortaya \u00e7\u0131kan eriyik a\u015f\u0131r\u0131 \u0131s\u0131s\u0131n\u0131n b\u00fcy\u00fck bir k\u0131sm\u0131, bu durumda yetersiz s\u0131cakl\u0131k kontrol\u00fcnden kaynaklanmaktad\u0131r.
\nGer\u00e7ek erime s\u0131cakl\u0131\u011f\u0131n\u0131n se\u00e7imi, teorik olarak \u00e7e\u015fitli ala\u015f\u0131mlar\u0131n erime s\u0131cakl\u0131klar\u0131na g\u00f6re belirlenmelidir.
\n\u00c7e\u015fitli ala\u015f\u0131mlar\u0131n erime noktalar\u0131 farkl\u0131d\u0131r; yani, farkl\u0131 bile\u015fimlere sahip ala\u015f\u0131mlarda, kat\u0131 maddenin erimeye ba\u015flad\u0131\u011f\u0131 s\u0131cakl\u0131k (solidus s\u0131cakl\u0131\u011f\u0131 olarak adland\u0131r\u0131l\u0131r) ile kat\u0131 maddenin tamamen eridi\u011fi s\u0131cakl\u0131k (likidus s\u0131cakl\u0131\u011f\u0131 olarak adland\u0131r\u0131l\u0131r) da farkl\u0131d\u0131r.
\nHer iki s\u0131cakl\u0131k aral\u0131\u011f\u0131nda da metal, yar\u0131 s\u0131v\u0131 yar\u0131 kat\u0131 bir durumda bulunur.<\/p>\n

[... ]'nin eritilmesi s\u0131ras\u0131nda s\u0131cakl\u0131\u011f\u0131 do\u011fru bir \u015fekilde kontrol edebilmek i\u00e7in al\u00fcminyum ala\u015f\u0131m\u0131<\/a>, erime s\u0131cakl\u0131\u011f\u0131 \u00f6l\u00e7\u00fclmelidir. Erime s\u0131cakl\u0131\u011f\u0131n\u0131 belirlemenin en do\u011fru y\u00f6ntemi h\u00e2l\u00e2 termokupl \u00f6l\u00e7\u00fcm cihaz\u0131 y\u00f6ntemidir.
\nBununla birlikte, pratik deneyime sahip \u00e7al\u0131\u015fanlar, i\u015flem s\u0131ras\u0131nda g\u00f6zlemledikleri bir\u00e7ok fiziksel ve kimyasal olguyu dikkate alarak eriyik s\u0131cakl\u0131\u011f\u0131n\u0131 de\u011ferlendirebilirler.
\n\u00d6rne\u011fin, banyo y\u00fczeyinin rengi, c\u00fcruf yanma derecesi ve eriyik i\u00e7indeki al\u00fcminyumun veya i\u015fleme aletinin yumu\u015fama durumu; ancak bunlar kesinlikle g\u00fcvenilir de\u011fildir, \u00e7\u00fcnk\u00fc \u0131\u015f\u0131k ve hava ko\u015fullar\u0131ndan etkilenir ve bu da do\u011frulu\u011funu olumsuz etkiler.<\/p>\n

\u00c7o\u011fu ala\u015f\u0131m\u0131n erime s\u0131cakl\u0131\u011f\u0131 aral\u0131\u011f\u0131 olduk\u00e7a geni\u015ftir. Metal, s\u0131cak bir f\u0131r\u0131n gaz\u0131na veya aleve uzun s\u00fcre maruz kalmak gibi durumlarda yar\u0131 kat\u0131, yar\u0131 s\u0131v\u0131 bir haldeyken, en kolay \u015fekilde solunabilir.
\nBu nedenle, fiili \u00fcretimde, yar\u0131 erimi\u015f halin s\u0131cakl\u0131k aral\u0131\u011f\u0131ndan h\u0131zla ka\u00e7\u0131nmak amac\u0131yla, erime s\u0131cakl\u0131\u011f\u0131 olarak 50 ila 60 \u00b0C\u2019lik likid\u00fcs s\u0131cakl\u0131\u011f\u0131ndan daha y\u00fcksek bir s\u0131cakl\u0131k se\u00e7ilir.<\/p>","protected":false},"excerpt":{"rendered":"

Temperature control during melting of aluminum alloy The smelting process must have a sufficiently high temperature to ensure that the metal and alloying elements are fully melted and dissolved. When the heating temperature is too high, the melting speed is increased, and the time during…<\/p>","protected":false},"author":1,"featured_media":4031,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[52],"tags":[],"yoast_head":"\nTemperature control during melting of aluminum alloy<\/title>\n<meta name=\"description\" content=\"In order to accurately control Temperature control during melting of aluminum alloy, the melt temperature must be measured.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.adtechamm.com\/tr\/temperature-control-during-melting-of-aluminum-alloy\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Temperature control during melting of aluminum alloy\" \/>\n<meta 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