Corrosion and Corrosion Protection Strategies in the Marine Environment

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Department of Electrochemistry and Materials Protection, Faculty of Chemistry and Technology, University of Split, Ruđera Boškovića 35, 21000 Split, Croatia
Interests: electrochemical methods; corrosion; oxidation; electroremediation; metals and alloys
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Special Issue Information

Dear Colleagues,

Seawater plays an essential role in various human activities such as transportation, exploration of natural resources, energy production, water supply, food, etc. Saltwater covers more than 70% of the Earth's surface (approximately 1,335,000,000 cubic kilometers) and is generally considered the most corrosive of all natural environments. Therefore, marine environments pose a major challenge to metallic materials due to a variety of factors such as high salinity, water velocity, temperature, and biological activity. In addition, human and industrial activities lead to climate change and pollution of seawater, which further increases the aggressiveness of the marine environment. Corrosion is a major cause of deterioration in marine and offshore structures which results in structural failure, leakage, product loss, environmental pollution, and even the loss of human life. Therefore, this Special Issue is focused on gathering a list of scientific papers on the topic of corrosion in the marine environment, the influence of climate change and pollution on marine corrosion, development and characterization of advanced high-resistance materials, and the application of different methods for corrosion protection in harsh marine corrosion environments.

Prof. Dr. Ladislav Vrsalović
Guest Editor

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Keywords

  • metals and alloys
  • corrosion
  • corrosion protection
  • passive films
  • electrochemical methods
  • marine environment

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Published Papers (1 paper)

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Research

16 pages, 5905 KiB  
Article
Corrosion Behavior of Ti and Ti6Al4V Alloy in Brackish Water, Seawater, and Seawater Bittern
by Ladislav Vrsalović, Senka Gudić, Antonia Talijančić, Jelena Jakić, Jure Krolo and Iman Danaee
Corros. Mater. Degrad. 2024, 5(4), 641-656; https://doi.org/10.3390/cmd5040031 - 19 Dec 2024
Viewed by 992
Abstract
Ti and Ti6Al4V alloy are extensively utilized in structural parts in engineering applications and the production of medical implants due to their excellent mechanical properties, lightweight, and high corrosion resistance. This study comprehensively evaluates their corrosion behavior in three challenging aquatic environments: brackish [...] Read more.
Ti and Ti6Al4V alloy are extensively utilized in structural parts in engineering applications and the production of medical implants due to their excellent mechanical properties, lightweight, and high corrosion resistance. This study comprehensively evaluates their corrosion behavior in three challenging aquatic environments: brackish water, seawater, and seawater bittern. Utilizing open circuit potential (EOC) measurements with polarization techniques (linear and potentiodynamic) and electrochemical impedance spectroscopy (EIS) measurements, the research highlights distinct environmental influences on corrosion performance. Notably, Ti and Ti6Al4V alloy demonstrated exceptional stability with the highest polarization resistance and lowest corrosion current in brackish water, while seawater bittern presented the most demanding condition for Ti6Al4V. Additionally, the analysis of the electrode surfaces after polarization measurements using optical microscopy, optical profilometry, and SEM/EDS tests revealed minor damage, indicating the high corrosion resistance of these materials. This study advances the understanding of Ti and Ti6Al4V alloy performance in diverse environments and offers valuable insights for optimizing their use in harsh aquatic conditions, particularly for applications requiring durability and longevity. Full article
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