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Journals / The International Journal of Materials and Engineering Technology / 2021 / Cilt: 4 - Sayı: 2

THE CORROSION EFFECT of CuO and ZnO FORMATIONS ON BRASS SURFACE

Abdulcabbar YAVUZ
Mahmut Furkan KALKAN
Necip Fazıl YILMAZ
Pages
117–124
Publication Date
2021-12-31
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Therefore, heat-treatment of brass can cause higher corrosion resistivity of the brass surface.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:The elements on the bulk brass surface were oxidized at high temperatures (from 200 °C to 700 °C).
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Key Findings & Data:The specimens were held under different temperatures in the furnace for the same duration (45 minutes).
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Conclusion & Impact:Therefore, heat-treatment of brass can cause higher corrosion resistivity of the brass surface.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:copper oxide · brass alloy · corrosion

Abstract

The elements on the bulk brass surface were oxidized at high temperatures (from 200 °C to 700 °C). Before the annealing process, the samples were cold rolled to reduce its thickness. The specimens were held under different temperatures in the furnace for the same duration (45 minutes). This paper examines the corrosion of brass having an oxide surface obtained by heat treatment. The corrosion rate experiments were conducted by the cyclic polarization method by means of a potentiostat. The corrosion test of the specimens was conducted by scanning the electrodes in saline water (3.5% NaCl solution) at the scan rate of 2 mV s-1. The corrosion behavior of the electrodes was investigated by two subsequent scans. The change of the heated brass surface occurring after the corrosions test were investigated. While the corrosion rate of the non-annealed brass electrode was similar to that of annealed specimens for the first scan, the corrosion rate of heat-treated specimens was dramatically decreased for the second scan. Pitting corrosion of non-heated brass and passivation behavior of heated brass electrodes were observed. Therefore, heat-treatment of brass can cause higher corrosion resistivity of the brass surface.

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Cite This Article

YAVUZ, A., KALKAN, M. F., YILMAZ, N. F. (2021). THE CORROSION EFFECT of CuO and ZnO FORMATIONS ON BRASS SURFACE. The International Journal of Materials and Engineering Technology, Cilt: 4 - Sayı: 2, 117–124. https://ajindex.com/articles/806041

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