Abstract
Marine services and industry have emerged as one of the most significant pillars of global economic growth. Corrosion of materials, on the other hand, is still the most important issue for marine structures and equipment. Corrosion is a major contributor to the degradation of marine and offshore structures. It has an effect on the life of process equipment, and might lead to structural failure, leakage, product degradation, contamination, and even death. It is important to investigate the mechanisms of material corrosion in the marine environment, as well as corrosion prevention methods, in order to make effective use of marine resources. Various mitigation techniques, like the utilization of coatings, cathodic protection, and corrosion allowance are utilized to protect offshore structures against corrosion. In general, the marine environment has a significant impact on the protection of offshore structures. Therefore, the objective of this paper is to give an overview about corrosion of marine structures, how it happens and some of the current prevention techniques.
Highlights
Offshore structures are one of the world's most important and tallest structures that must function safely in a variety of harsh environments, and have a direct effect on a country's economy and industrial development (Nouban et al, 2016)
This zone has the highest rate of metal corrosion because of the aerated atmosphere, Splash zone which allows for easy access to dissolved oxygen for electrochemical reaction
According to Ting et al (2011), the corrosion rates of structural steel in the harsh environments of coastal areas, harbours and oceans has an impact on the economic benefit of marine structures, as steel loss and pitting can have major effects on structural protection and efficiency
Summary
Offshore structures are one of the world's most important and tallest structures that must function safely in a variety of harsh environments, and have a direct effect on a country's economy and industrial development (Nouban et al, 2016). When evaluating the performance of an existing offshore system, the corrosion process has received a lot of attention (Melchers, 2003). This is especially critical because most offshore structures are subjected to a harsh environment that can hasten structural degradation. The characteristics of materials and structures in the marine environments deteriorate over time as a result of various parameters eroding at the same time (Toloei et al, 2013). These parameters such as; dissolved oxygen, temperature, salinity, pH, seawater speed, and other variables.
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