Investigation of Resistance of Intergranular Attack for Various Heat Treated 2011 Alloys After Hard Anodizing

Ilyas Artunc Sari*, Gorkem Ozcelik, Zeynep Tutku Ozen, Onuralp Yucel

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1 Atıf (Scopus)

Özet

The main alloying element of 2011 aluminum alloy is copper and it is disadvantageous from the point of corrosion compared to other aluminum alloys. 2011 alloy also contains bismuth and lead in their chemical composition. These elements have low melting point and enhance machinability of the alloy. In this way, 2011 alloys are frequently used in areas where machinability is important. Also, 2011 alloys are preferred in valve manufacture and therefore understanding its corrosion behavior is critical. In this study, 2011 aluminum billets were produced by direct chill (DC) casting and then homogenization was carried out. As the next step, billets were extruded. Different samples were taken from extruded profiles and heat treated to obtain T4, T6, T79, T73 conditions. Samples were then hard anodized. After anodizing, samples were taken to corrosive environment. Optical microscope, Scanning Electron Microscope (SEM) and Energy Dispersive Spectrometry (EDS) techniques were used for characterization and corrosion behavior of 2011 alloy under different heat treatment conditions was investigated. It was found that T6 condition, which is the most preferred heat treatment condition for 2011 alloys, has the maximum corrosion depth and other experimental results obtained agree well with expected properties.

Orijinal dilİngilizce
Ana bilgisayar yayını başlığıLight Metals 2023
EditörlerStephan Broek
YayınlayanSpringer Science and Business Media Deutschland GmbH
Sayfalar396-409
Sayfa sayısı14
ISBN (Basılı)9783031225314
DOI'lar
Yayın durumuYayınlandı - 2023
EtkinlikLight Metals Symposium held at the TMS Annual Meeting and Exhibition, TMS 2023 - San Diego, United States
Süre: 19 Mar 202323 Mar 2023

Yayın serisi

AdıMinerals, Metals and Materials Series
ISSN (Basılı)2367-1181
ISSN (Elektronik)2367-1696

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???event.eventtypes.event.conference???Light Metals Symposium held at the TMS Annual Meeting and Exhibition, TMS 2023
Ülke/BölgeUnited States
ŞehirSan Diego
Periyot19/03/2323/03/23

Bibliyografik not

Publisher Copyright:
© 2023, The Minerals, Metals & Materials Society.

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