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A study on sliding wear of a 7075 aluminum alloy

  • Istanbul Technical University

Araştırma sonucu: Dergiye katkıMakalebilirkişi

37 Atıf (Scopus)

Özet

In this study, the effect of retrogression and reaging (RRA) treatment on dry sliding and corrosive wear properties of 7075 aluminum alloy, which was received originally in the T6 temper condition, has been investigated. Retrogression was carried out at four different temperatures between 170 and 380°C for 60 s. Following the retrogression, alloys were reaged at 120°C for 24 h. Wear tests were conducted on a ball-on-disc-type wear tester by rubbing Al2O3 balls against the surfaces of the alloys. Corrosive wear tests were carried out in a 30 g/l NaCl + 10 g/l HCl solution. Retrogression at 220 and 240°C improved the dry sliding wear resistance when compared to the T6 temper. However, RRA-treated alloys exhibited higher corrosive wear rate than that of the T6-tempered alloy. Worn surface examinations revealed the wear mechanisms as adhesion for the dry sliding wear and abrasion for the corrosive wear.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)852-861
Sayfa sayısı10
DergiWear
Hacim257
Basın numarası7-8
DOI'lar
Yayın durumuYayınlandı - Eki 2004

Finansman

One of the authors (M.B.) gratefully acknowledges to TUBITAK (The Scientific and Technical Research Council of Turkey), Münir BIRSEL Foundation, for its financial support during this investigation.

Finansörler
BIRSEL Foundation
TUBITAK
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu

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