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27 September 2024 The research on the galvanic corrosion behavior of QAl 9-4 aluminum bronze with the plasma electrolytic oxidation and TA31 titanium alloy
Zhiqiang Li, Chenyan Yuan, Zongzong Hou, Xingyu Liu, Wenxiang Shi, Xinqi Zhang, Peiyue Li, Yaozhao Mu
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Proceedings Volume 13261, Tenth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2024); 132612O (2024) https://doi.org/10.1117/12.3046866
Event: 10th International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2024), 2024, Wuhan, China
Abstract
The QAl 9-4 aluminum bronze was treated with plasma electrolytic oxidation in this article, resulting in a comparatively thick oxide film that is about 24μm thick on the surface. The oxide film was mainly composed of α-Al2O3, Cu2O and γ-Al2O3. After the experiment, the corrosion resistance improved, the corrosion potential slightly increased, and the electrochemical impedance significantly increased. The TA31 titanium alloy served as the cathode, and QAl 9-4 aluminum bronze with its plasma electrolytic oxidation film layer served as the anode after galvanic coupling of QAl 9-4 alloy with its plasma electrolytic oxidation and TA31 titanium alloy. QAl 9-4 aluminum bronze occurred for plasma electrolytic oxidation，which reduced the corrosion potential and electric corrosion current coupled with the TA31 alloy puppet and the corrosion rate of QAl 9-4 aluminum bronze, while inhibiting the occurrence of electric puppets.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Zhiqiang Li, Chenyan Yuan, Zongzong Hou, Xingyu Liu, Wenxiang Shi, Xinqi Zhang, Peiyue Li, and Yaozhao Mu "The research on the galvanic corrosion behavior of QAl 9-4 aluminum bronze with the plasma electrolytic oxidation and TA31 titanium alloy", Proc. SPIE 13261, Tenth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2024), 132612O (27 September 2024); https://doi.org/10.1117/12.3046866
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KEYWORDS
Corrosion
Oxidation
Plasma
Alloys
Oxides
Copper
Titanium
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