Modeling the Behavior of Metal Corrosion in Aquatic Environments at Varying Depth

Volume: 11 | Issue: 01 | Year 2025 | Subscription
International Journal of Metallurgy and Alloys
Received Date: 11/04/2024
Acceptance Date: 01/10/2025
Published On: 2025-02-19
First Page: 1
Last Page: 9

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By: C. P. Ukpaka and George Ejoku

1Department of Chemical/Petrochemical Engineering, Rivers State University, Port Harcourt, Rivers State, Nigeria.
2Department of Chemical/Petrochemical Engineering, Rivers State University, Port Harcourt, Rivers State, Nigeria.

Abstract

The failures of engineering structures situated in the aquatic environment caused by corrosion cannot be over-emphasized. This research work addressed the effects of depths, heavy metals, microbial activities, and physiochemical properties of the water body on the corrosion of submerged metal structures in the water body (the water body is assumed flowing). Model techniques were applied to evaluate the relationship between diffusion and weight loss, as well as velocity and weight loss, at different depths. The results obtained showed that an increase in corrosion rate followed the order 30 cm < 60 cm < 90 cm < 120 cm < 150 cm for a specific time. The presence of heavy metals increased the rate of corrosion downwards, the corrosion rate was higher at a higher depth with the presence of heavy metals. Generally, the results also revealed that microbial activities increased downward, except for Total Coliform which had no effect along the depths. The corrosion rate of mild steel was highest between the depth of 30 cm–90 cm, while the rate of corrosion of stainless steel within the same range was the lowest. Between 120 cm–150 cm the rate of copper coupon corrosion was the highest. The model approach demonstrated that diffusion and velocity contributed mostly to metal corrosion in the water medium.

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Citation:

How to cite this article: C. P. Ukpaka and George Ejoku, Modeling the Behavior of Metal Corrosion in Aquatic Environments at Varying Depth. International Journal of Metallurgy and Alloys. 2025; 11(01): 1-9p.

How to cite this URL: C. P. Ukpaka and George Ejoku, Modeling the Behavior of Metal Corrosion in Aquatic Environments at Varying Depth. International Journal of Metallurgy and Alloys. 2025; 11(01): 1-9p. Available from:https://journalspub.com/publication/ijma/article=15373

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