Degradation mechanisms of corrosion and biofouling resistance of superhydrophobic coatings in harsh marine conditions

Cao, Xiangkang; Pan, Jinglong; Cai, Guangyi; Hu, Yunfei; Zhang, Xinxin; Dong, Zehua

doi:10.1016/j.porgcoat.2022.107222

Cited by 5 publications

(2 citation statements)

References 48 publications

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“…Laboratory and industrial testing showed that well-prepared superhydrophobic coatings decrease corrosion rate by orders of magnitude by the modification of a thin surface layer without affecting bulk properties [23][24][25]. However, even coatings with very high contact angles and low roll-off angles may fail to demonstrate durable corrosion resistance [26][27][28]. Thorough analysis of the mechanisms behind the corrosion resistance of superhydrophobic coatings had shown that such protective properties cannot be explained only by the water repellence of such surfaces [29].…”

Section: Mechanisms Behind the Corrosion Protection By The Superhydro...mentioning

confidence: 99%

Laser Obtained Superhydrophobic State for Stainless Steel Corrosion Protection, a Review

Emelyanenko

Бойнович

2023

Coatings

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Stainless steel has become an integral part of modern engineering materials and daily life due to its mechanical efficiency, strength, recyclability, high resistance to oxidation and corrosive attack, which make it the ideal material for many kinds of applications. At the same time, steel suffers from certain types of corrosion, such as intergranular corrosion, or contact corrosion that develops when stainless steel comes into contact with carbon steel or another metal with a different electrochemical potential. Finally, pitting corrosion is a serious problem often occurring when stainless steel parts work in sea water. This paper provides a brief overview of methods for protecting stainless steel from corrosion using a new approach based on superhydrophobization of the surface of stainless steel using laser processing followed by the deposition of a layer of a substance with a low surface energy. The review discusses the mechanisms of corrosion protection by such coatings and the properties of superhydrophobic coatings presented in the literature. Superhydrophobic protective coatings on stainless steel have been shown to significantly reduce corrosion, with some demonstrating a decrease in corrosion current of up to 156 times. However, a more comprehensive analysis of the mechanisms contributing to this effect, as well as a comparison with anti-corrosion coatings on other metals, suggests that the combination of these mechanisms has the potential to create even more durable and effective surfaces for corrosion protection of stainless steel.

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Section: Mechanisms Behind the Corrosion Protection By The Superhydro...mentioning

confidence: 99%

Laser Obtained Superhydrophobic State for Stainless Steel Corrosion Protection, a Review

Emelyanenko

Бойнович

2023

Coatings

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“…The ocean has a complex corrosive environment, wherein the atmospheric and splash zones exhibit high humidity and elevated salt content. These conditions can result in severe corrosion of facilities and equipment. − Corrosion will shorten the service life of the equipment and threaten personal safety, leading to substantial economic losses. Additionally, it causes significant pollution to the environment and disrupts the ecological balance. , Widespread attention has been focused on preventing metal corrosion and enhancing the corrosion resistance of metals in marine atmospheric and splash zones. , …”

Section: Introductionmentioning

confidence: 99%

Review of TiO₂-Based Heterojunction Coatings in Photocathodic Protection

Xu,

Li,

Wen

et al. 2024

ACS Appl. Nano Mater.

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Photocathodic protection coating is an emerging anticorrosion technology that combines the protective characteristics of coating and cathodic protection. TiO 2 is stable and easy to prepare; however, it suffers from a low sunlight utilization rate and low photoelectric conversion efficiency. The construction of TiO 2 -based heterojunction coatings provides an effective solution to these challenges. This work summarizes the synthesis methods of TiO 2based heterojunction coatings, explores the charge-transfer mechanisms associated with various types of heterojunction coatings (e.g., type II heterojunction, p−n junction, Schottky junction, and Z-scheme heterojunction), and reviews the characterization methods used for heterojunction analysis. Finally, the application prospects and future research directions of TiO 2 -based heterojunction coatings are proposed. This study will help researchers understand the fabrication process and application of TiO 2 -based heterojunction coatings in photocathodic protection.

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Fabrication of decoupling coatings with robustness and superhydrophobicity for anti-icing and anti-corrosion applications

Xin

et al. 2023

J Mater Sci

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Degradation mechanisms of corrosion and biofouling resistance of superhydrophobic coatings in harsh marine conditions

Cited by 5 publications

References 48 publications

Laser Obtained Superhydrophobic State for Stainless Steel Corrosion Protection, a Review

Laser Obtained Superhydrophobic State for Stainless Steel Corrosion Protection, a Review

Review of TiO₂-Based Heterojunction Coatings in Photocathodic Protection

Fabrication of decoupling coatings with robustness and superhydrophobicity for anti-icing and anti-corrosion applications

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Degradation mechanisms of corrosion and biofouling resistance of superhydrophobic coatings in harsh marine conditions

Cited by 5 publications

References 48 publications

Laser Obtained Superhydrophobic State for Stainless Steel Corrosion Protection, a Review

Laser Obtained Superhydrophobic State for Stainless Steel Corrosion Protection, a Review

Review of TiO2-Based Heterojunction Coatings in Photocathodic Protection

Fabrication of decoupling coatings with robustness and superhydrophobicity for anti-icing and anti-corrosion applications

Contact Info

Product

Resources

About

Review of TiO₂-Based Heterojunction Coatings in Photocathodic Protection