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

doi:10.1117/12.3046866

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

Author Affiliations +

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.

Citation Download Citation

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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