Abstract
Bu calismada, yaslandirma isil isleminin 7075 aluminyum alasimindan yapilan dikdortgen plaklarin burkulma yuku ve mekanik ozellikleri uzerine etkileri incelenmistir. Plaklar icin sinir sarti iki kenari basit mesnetli ve diger iki kenari serbest olarak alinmistir. Yaslandirma isil islemi sirasiyla, 480oC'de 1 saat solusyona alma, suda hizli sogutma ve 130oC sabit sicaklikta farkli zaman araliklari kullanilarak gerceklestirilmistir. Yapilan calismada temel degisken olarak yapay yaslandirma sureleri gozonune alinmis ve sonuc olarak maksimum kritik burkulma yuku 48 saat yapay yaslandirma suresinde elde edilmistir. Ayrica, yaslandirma isil isleminin mikroyapi uzerindeki etkileri, SEM, EDS ve XRD kullanilarak tespit edilmistir.
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