A study on sliding wear of a 7075 aluminum alloy

Murat Baydoǧan; Hüseyin Çimenoǧlu; E. Sabri Kayali

doi:10.1016/j.wear.2004.05.006

A study on sliding wear of a 7075 aluminum alloy

Murat Baydoǧan, Hüseyin Çimenoǧlu^*, E. Sabri Kayali

^*Corresponding author for this work

Department of Metallurgical and Materials Engineering

Istanbul Technical University

Research output: Contribution to journal › Article › peer-review

31 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	852-861
Number of pages	10
Journal	Wear
Volume	257
Issue number	7-8
DOIs	https://doi.org/10.1016/j.wear.2004.05.006
Publication status	Published - Oct 2004

Funding

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.

Funders	Funder number
BIRSEL Foundation
TUBITAK
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu

Keywords

Aluminum
Aluminum alloy
Corrosion
Wear

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10.1016/j.wear.2004.05.006

Cite this

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title = "A study on sliding wear of a 7075 aluminum alloy",

abstract = "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.",

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N2 - 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.

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KW - Wear

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A study on sliding wear of a 7075 aluminum alloy

Abstract

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Keywords

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