{"id":6820,"date":"2024-11-07T10:15:48","date_gmt":"2024-11-07T10:15:48","guid":{"rendered":"https:\/\/premiumalu.com\/mastering-7075-t6-aluminum-forging-techniques\/"},"modified":"2026-09-12T09:24:51","modified_gmt":"2026-09-12T09:24:51","slug":"7075-t6-alumi%cc%87nyum-dovme-tekni%cc%87kleri%cc%87nde-uzmanlasma","status":"publish","type":"post","link":"https:\/\/premiumalu.com\/tr\/mastering-7075-t6-aluminum-forging-techniques\/","title":{"rendered":"7075 T6 Al\u00fcminyum D\u00f6vme i\u00e7in Nihai K\u0131lavuz"},"content":{"rendered":"

7075-T6 Al\u00fcminyum D\u00f6vme Nedir?<\/h2>\n\n\n\n

7075, \u00e7inko-magnezyum-bak\u0131r sistemine dayanan 7xxx serisi bir ala\u015f\u0131md\u0131r ve yayg\u0131n d\u00f6vme al\u00fcminyumlar aras\u0131nda en y\u00fcksek mukavemeti sunar \u2014 T6 temperinde nihai \u00e7ekme mukavemeti yakla\u015f\u0131k 572 MPa'ya ula\u015f\u0131r. Bu mukavemet, korozyon davran\u0131\u015f\u0131 pahas\u0131na elde edilir: T6 yaln\u0131zca orta d\u00fczeyde genel korozyon direnci ve 7075 ailesinin en zay\u0131f gerilme-korozyon-\u00e7atlamas\u0131 (SCC) direncini sunar, bu nedenle \u00e7o\u011fu kullan\u0131m kaplama veya a\u015f\u0131r\u0131 ya\u015fland\u0131r\u0131lm\u0131\u015f bir temper gerektirir.<\/p>\n\n\n\n

D\u00f6vme, bu mukavemeti yap\u0131sal bir par\u00e7aya d\u00f6n\u00fc\u015ft\u00fcren i\u015flemdir. Is\u0131t\u0131lm\u0131\u015f k\u00fct\u00fc\u011f\u00fcn kal\u0131plar aras\u0131nda s\u0131k\u0131\u015ft\u0131r\u0131lmas\u0131 i\u00e7 bo\u015fluklar\u0131 kapat\u0131r ve tane yap\u0131s\u0131n\u0131 par\u00e7an\u0131n d\u0131\u015f hatt\u0131n\u0131 takip etmeye zorlar; bu da toklu\u011fu ve yorulma \u00f6mr\u00fcn\u00fc d\u00f6k\u00fcm veya plakadan i\u015fleme ile elde edilebilece\u011fin \u00e7ok \u00f6tesine ta\u015f\u0131r. Bu tane ak\u0131\u015f\u0131 avantaj\u0131, en zorlu g\u00f6vde ve s\u00fcspansiyon y\u00fckleri i\u00e7in neden sadece 7075-T6 plakan\u0131n de\u011fil, 7075-T6 d\u00f6vmelerin spesifiye edildi\u011finin tam nedenidir.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

T6 Temperini Anlamak<\/h2>\n\n\n\n

\u201cT6\u201d etiketi, d\u00f6vme halindeki durumu de\u011fil, sabit bir \u0131s\u0131l i\u015flem yolunu tan\u0131mlar. Bir d\u00f6vme kal\u0131ptan yumu\u015fak \u00e7\u0131kar; yaln\u0131zca T6 \u00e7evrimi onu tam mukavemete ula\u015ft\u0131r\u0131r.<\/p>\n\n\n\n

\u00c7\u00f6zelti \u0131s\u0131l i\u015flemi, par\u00e7ay\u0131 \u00e7inko, magnezyum ve bak\u0131r\u0131n tek fazl\u0131 bir kat\u0131 \u00e7\u00f6zelti i\u00e7inde \u00e7\u00f6z\u00fcnmesi i\u00e7in 1\u20134 saat boyunca 465\u2013485\u00b0C'ye \u0131s\u0131t\u0131r. H\u0131zl\u0131 su verme (100\u00b0C\/s \u00fczeri, 30 saniye i\u00e7inde) bu elementleri \u00e7\u00f6kelmeden \u00f6nce yerlerinde kilitler. Yakla\u015f\u0131k 24 saat boyunca 120\u00b0C'de yapay ya\u015fland\u0131rma daha sonra dislokasyon hareketini engelleyen ve mukavemeti art\u0131ran ince \u03b7\u2032 (MgZn\u2082) partik\u00fcllerini \u00e7\u00f6keltir.<\/p>\n\n\n\n

D\u00f6vmeler i\u00e7in T6 vs T652<\/h3>\n\n\n\n

T652, T6'n\u0131n d\u00f6vme ile ilgili varyant\u0131d\u0131r. Su vermeden sonra par\u00e7a 1\u20135% basma gerilme giderme i\u015flemi al\u0131r \u2014 500\u20133000 tonluk bir pres 60\u201390 MPa su verme art\u0131k gerilmesini s\u0131k\u0131\u015ft\u0131r\u0131p \u00e7\u0131kar\u0131r \u2014 ard\u0131ndan ya\u015fland\u0131r\u0131l\u0131r. Mekanik mukavemet T6 seviyelerine yak\u0131n kal\u0131r, ancak art\u0131k gerilme 20\u201340 MPa'ya d\u00fc\u015fer ve boyutsal kararl\u0131l\u0131k iyile\u015fir; bu nedenle d\u00f6vme u\u00e7ak par\u00e7alar\u0131 genellikle d\u00fcz T6 yerine T652 olarak spesifiye edilir.<\/p>\n\n\n\n

7075-T6 Mekanik \u00d6zellikleri<\/h2>\n\n\n\n

Bunlar T6 d\u00f6vmeler ve plaka i\u00e7in tipik de\u011ferlerdir. Spesifik kesit ve temper i\u00e7in fabrika test sertifikas\u0131na g\u00f6re do\u011frulay\u0131n.<\/p>\n\n\n\n

M\u00fclkiyet<\/th>7075-T6<\/th>Notlar<\/th><\/tr><\/thead>
Nihai \u00c7ekme Dayan\u0131m\u0131 (UTS)<\/td>572 MPa (83 ksi)<\/td>Yayg\u0131n d\u00f6vme Al aras\u0131nda en y\u00fcksek<\/td><\/tr>
Akma Mukavemeti (YS)<\/td>503 MPa (73 ksi)<\/td>6061-T6'ya g\u00f6re ~ daha y\u00fcksek<\/td><\/tr>
Uzama<\/td>8\u201311%<\/td>T652'de d\u00fc\u015fer<\/td><\/tr>
Sertlik<\/td>~150 HB<\/td>\u2014<\/td><\/tr>
Elastisite Mod\u00fcl\u00fc<\/td>~72 GPa<\/td>\u2014<\/td><\/tr>
Yorulma Mukavemeti (10\u2077 \u00e7evrim)<\/td>~160 MPa<\/td>Tane ak\u0131\u015f\u0131 d\u00f6vmelerde bunu y\u00fckseltir<\/td><\/tr>
Yo\u011funluk<\/td>2,81 g\/cm\u00b3<\/td>\u2014<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u00c7o\u011fu karar\u0131 y\u00f6nlendiren say\u0131 akma mukavemetidir. 503 MPa'da, 7075-T6 akma \u00f6ncesinde 6061-T6'dan yakla\u015f\u0131k 80% daha fazla y\u00fck ta\u015f\u0131r; bu nedenle a\u011f\u0131rl\u0131\u011f\u0131n kritik oldu\u011fu yap\u0131larda \u00e7eli\u011fin yerini al\u0131r \u2014 ancak ayn\u0131 \u00e7\u00f6kelme ile g\u00fc\u00e7lendirilmi\u015f mikroyap\u0131, onu SCC'ye duyarl\u0131 ve kaynaklanmas\u0131 zor yapan \u015feydir.<\/p>\n\n\n\n

7075-T6 D\u00f6vme \u0130\u015flemi<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n

7075-T6'n\u0131n d\u00f6v\u00fclmesi kontroll\u00fc bir s\u0131ray\u0131 takip eder: k\u00fct\u00fc\u011f\u00fc \u0131s\u0131t\u0131n, kal\u0131plar aras\u0131nda deforme edin, ard\u0131ndan T6 \u0131s\u0131l i\u015flemini uygulay\u0131n. S\u0131cakl\u0131k veya red\u00fcksiyondaki k\u00fc\u00e7\u00fck sapmalar mikroyap\u0131y\u0131 yeniden yazar, bu nedenle s\u00fcre\u00e7 penceresi dard\u0131r.<\/p>\n\n\n\n

A\u00e7\u0131k Kal\u0131p vs Kapal\u0131 Kal\u0131p D\u00f6vme<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n
Fakt\u00f6r<\/th>A\u00e7\u0131k Kal\u0131p<\/th>Kapal\u0131 Kal\u0131p<\/th><\/tr><\/thead>
\u0130\u00e7in en iyisi<\/td>Diskler, halkalar, bloklar, \u00f6n \u015fekillendirmeler<\/td>Karma\u015f\u0131k, net \u015fekle yak\u0131n geometriler<\/td><\/tr>
\u0130\u015fleme pay\u0131<\/td>5\u201310 mm<\/td>0,5\u20132 mm<\/td><\/tr>
Malzeme kullan\u0131m\u0131<\/td>60\u201370%<\/td>80\u201395%<\/td><\/tr>
Kal\u0131p maliyeti<\/td>D\u00fc\u015f\u00fck \u2014 k\u00fc\u00e7\u00fck partilere uygun<\/td>Y\u00fcksek \u2014 \u00fcretim serilerine uygun<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Kapal\u0131 kal\u0131p d\u00f6vme, bitmi\u015f havac\u0131l\u0131k par\u00e7alar\u0131 i\u00e7in varsay\u0131lan y\u00f6ntemdir \u00e7\u00fcnk\u00fc bo\u015fluk \u015fekli tan\u0131mlar ve tane konturu takip eder. A\u00e7\u0131k kal\u0131p i\u015f\u00e7ili\u011fi, daha sonra i\u015flenen halkalar, bloklar ve \u00f6n \u015fekillendirmeler i\u00e7in kullan\u0131\u015fl\u0131 kal\u0131r.<\/p>\n\n\n\n

D\u00f6vme Parametreleri ve Ad\u0131mlar\u0131<\/h3>\n\n\n\n

K\u00fct\u00fck \u00f6n \u0131s\u0131tmas\u0131 370\u2013420\u00b0C'de \u00e7al\u0131\u015f\u0131r ve d\u00f6vmenin kendisi 370\u2013450\u00b0C aral\u0131\u011f\u0131nda kal\u0131r. Bu aral\u0131\u011f\u0131n alt\u0131nda metal \u00e7atlar veya zay\u0131f akar; \u00fcst\u00fcnde taneler kabala\u015f\u0131r ve mukavemet d\u00fc\u015fer. Her vuru\u015f deformasyon ekler ve k\u00fcm\u00fclatif red\u00fcksiyon oran\u0131 d\u00f6k\u00fcm yap\u0131s\u0131n\u0131 k\u0131rmak ve ince, y\u00f6nl\u00fc bir tane olu\u015fturmak i\u00e7in en az 4:1 ila 6:1'e ula\u015fmal\u0131d\u0131r.<\/p>\n\n\n\n

D\u00f6vme ve kontroll\u00fc so\u011futmadan sonra par\u00e7a yukar\u0131daki T6 \u00e7evriminden ge\u00e7er (\u00e7\u00f6zelti \u2192 su verme \u2192 ya\u015fland\u0131rma). T652 i\u00e7in, basma gerilme giderme ad\u0131m\u0131 su vermeden hemen sonra eklenir. Nihai \u00f6zellikler, d\u00f6vmenin kendisi kadar bu \u0131s\u0131l i\u015fleme de ba\u011fl\u0131d\u0131r; bu nedenle d\u00f6vme at\u00f6lyesi ve \u0131s\u0131l i\u015flemci tek bir spesifikasyona g\u00f6re \u00e7al\u0131\u015fmal\u0131d\u0131r.<\/p>\n\n\n\n

D\u00f6vme 7075-T6 Nerede Kullan\u0131l\u0131r<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n

D\u00f6vme 7075-T6, mukavemet, yorulma \u00f6mr\u00fc ve a\u011f\u0131rl\u0131\u011f\u0131n ayn\u0131 kritik yol \u00fczerinde yer ald\u0131\u011f\u0131 her yerde hak etti\u011fi yeri kazan\u0131r.<\/p>\n\n\n\n

Havac\u0131l\u0131k ve Savunma<\/h3>\n\n\n\n

\u0130ni\u015f tak\u0131m\u0131 bile\u015fenleri, kanat kiri\u015fleri, kaburgalar ve g\u00f6vde ba\u011flant\u0131 par\u00e7alar\u0131 d\u00f6vme 7075-T6 kullan\u0131r \u00e7\u00fcnk\u00fc hizalanm\u0131\u015f tane ak\u0131\u015f\u0131 bu par\u00e7alar\u0131n onlarca y\u0131l boyunca g\u00f6rd\u00fc\u011f\u00fc \u00e7evrimsel y\u00fcklere direnir. SCC a\u00e7\u0131s\u0131ndan kritik kesitler T73 veya T7352 temperine ge\u00e7er; geri kalan\u0131 kaplamal\u0131 olarak T6 veya T652'de kal\u0131r.<\/p>\n\n\n\n

Otomotiv ve Performans S\u00fcspansiyonu<\/h3>\n\n\n\n

Sal\u0131ncak kollar\u0131, rotiller ve dikmeler, darbe ve viraj y\u00fckleri alt\u0131nda gereken sertlikten \u00f6d\u00fcn vermeden yaylanmam\u0131\u015f k\u00fctleyi azaltmak i\u00e7in d\u00f6vme 7075-T6 kullan\u0131r. Hafifletme c\u0131vatal\u0131 par\u00e7alar\u0131n \u00f6tesine ge\u00e7tik\u00e7e, d\u00f6vme 7075-T6 yar\u0131\u015f arabalar\u0131ndan daha y\u00fcksek hacimli performans hatlar\u0131na ge\u00e7iyor.<\/p>\n\n\n\n

End\u00fcstriyel ve Spor E\u015fyalar\u0131<\/h3>\n\n\n\n

Hidrolik bile\u015fenler, kal\u0131plar ve tak\u0131mlar, ala\u015f\u0131m\u0131n gerilme giderme sonras\u0131 sertli\u011finden ve boyutsal kararl\u0131l\u0131\u011f\u0131ndan fayda g\u00f6r\u00fcr. T\u0131rmanma donan\u0131mlar\u0131, bisiklet kranklar\u0131 ve beyzbol sopalar\u0131, k\u00fc\u00e7\u00fck, g\u00fc\u00e7l\u00fc, yorulmaya diren\u00e7li bir par\u00e7an\u0131n d\u00fc\u015f\u00fck maliyetten daha \u00f6nemli oldu\u011fu yerlerde bunu kullan\u0131r.<\/p>\n\n\n\n

T6 vs Di\u011fer 7075 Temperleri \u2014 Nas\u0131l Se\u00e7ilir<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n
Temper<\/th>\u0130\u015flem<\/th>\u00c7ekme mukavemeti \/ Akma mukavemeti (MPa)<\/th>\u0130\u00e7in en iyisi<\/th>Ka\u00e7\u0131n\u0131n<\/th><\/tr><\/thead>
T6<\/td>\u00c7\u00f6zelti + su verme + ya\u015fland\u0131rma<\/td>572 \/ 503<\/td>En y\u00fcksek mukavemet, SCC olmayan par\u00e7alar<\/td>SCC maruziyeti, i\u015fleme sonras\u0131 s\u0131k\u0131 toleranslar<\/td><\/tr>
T651<\/td>T6 + germe (plaka)<\/td>572 \/ 503<\/td>D\u00fcz kalmas\u0131 gereken plaka<\/td>D\u00f6vmeler (T652 kullan\u0131n)<\/td><\/tr>
T652<\/td>T6 + basma giderme<\/td>~570 \/ ~500<\/td>Kararl\u0131l\u0131k gerektiren d\u00f6vmeler<\/td>En d\u00fc\u015f\u00fck maliyet \u00f6nceliktir<\/td><\/tr>
T73<\/td>A\u015f\u0131r\u0131 ya\u015fland\u0131r\u0131lm\u0131\u015f<\/td>~483 \/ ~414<\/td>Kal\u0131n, SCC a\u00e7\u0131s\u0131ndan kritik par\u00e7alar<\/td>Maksimum mukavemet gereklidir<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

T6 Ne Zaman Do\u011fru Tercihtir?<\/h3>\n\n\n\n