Al 6013 ve MS 58 malzemelere delik içi ezerek parlatma işlemi uygulanmasıyla yüzeysel özelliklerin iyileştirilmesi

Yıl 2020, Cilt: 8 Sayı: 4, 972 - 980, 29.12.2020

Harun Koçak

https://doi.org/10.29109/gujsc.821576

Cited By: 2

Öz

Bu çalışmada, Al 6013 ve MS 58 malzemelere delinen deliklerin ezerek parlatma işlemleri araştırılmıştır. Testlerde her iki malzeme için üç farklı ezme payı bırakılarak işlem yapılmıştır. Ezerek parlatma işleminin ardından numuneler, yüzey pürüzlülüğü, mikro setlik ve mikro yapı bakımından incelenmiştir. İşlem sonrasında Al 6013 malzemenin yüzey pürüzlülüğü % 91,5 ve MS 58 malzemenin yüzey pürüzlülüğü % 89,6 oranında azaldığı belirlenmiştir. Testlerde, elde edilen en iyi yüzey pürüzlülüğü değeri Al 6013 malzemede 0,12 µm olduğu belirlenmiştir. MS 58 malzemenin ezilmiş bölgesinde plastik deformasyonla birlikte % 20 sertlik artışı sağlanmıştır. Tane yapısı ve sertlik artışı birlikte düşünüldüğünde MS 58 malzemenin küçük tane yapısına sahip olmasından dolayı bu malzemenin yüzey sertliğinde daha fazla artış meydana geldiği belirlenmiştir.

Anahtar Kelimeler

Al6013, MS58, Yüzey pürüzlülüğü, Ezerek parlatma

Kaynakça

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