Chemical mechanical polishing as an alternative surface treatment technique for corrosion prevention of carbon steel in an acidic medium

Ahmed, Mohamed and Al-Timimi, Buthainah Ali and Al-Ali, Maha and H. Abdullah, Ghassan and Atiyaha, Safa Khalaf and Aljanabi, Ahmed Yaseen Ali and Mel, Maizirwan (2025) Chemical mechanical polishing as an alternative surface treatment technique for corrosion prevention of carbon steel in an acidic medium. Scientific Reports, Nature Portfolio, 15 (15254). pp. 1-11.

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Abstract

Chemical mechanical polishing (CMP) has been a standard technique in semiconductor manufacturing for achieving smooth surfaces. CMP utilizes a synergistic interplay of chemical and mechanical interactions to achieve the desired removal rates, selectivity, and ultimately planarity with different substrate materials. In this study, the impact of CMP on the surface properties of steel used in the petroleum industry was examined, with a focus on its corrosion behavior posttreatment. Steel samples were subjected to CMP with and without an oxidizer in a silica-based slurry, and their surface characteristics were compared to those of samples polished mechanically. The addition of an oxidizer to the slurry resulted in increased material removal rates and the formation of an oxide layer on the surface; this phenomenon was not observed in CMP without an oxidizer. However, in mechanical polishing, the action of silicon carbide grains on the steel surface led to an increase in the removal rate but caused a decrease in its corrosion resistance. Compared with other treatments, the oxide layer provided a good protective barrier against corrosion and improved the corrosion resistance of the steel substrate. Based on the results from the practical study, an improvement in the corrosion resistance properties was observed due to the chemical reaction of the oxidizer and the mechanical action of the silica nanoparticles; these results showed the importance of chemical mechanical polishing as an alternative method to reduce the corrosion of steel in acidic environments. Additionally, the effect of hydrogen peroxide in a silica slurry with respect to the wettability, surface roughness, and hardness of steel was examined using contact angle measurements, profilometry, scanning electron microscopy, and microhardness tests.

Item Type:	Article (Case Report)
Uncontrolled Keywords:	Chemical mechanical polishing, Immersion test, Electrochemical corrosion test, Hydrogen peroxide oxidizer, Silica-based slurry, Surface roughness, Contact angle, Material removal rate
Subjects:	T Technology > TP Chemical technology > TP155 Chemical engineering
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering > Department of Biotechnology Engineering
Depositing User:	Dr Maizirwan Mel
Date Deposited:	25 Sep 2025 15:38
Last Modified:	25 Sep 2025 15:38
URI:	http://irep.iium.edu.my/id/eprint/123311

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