Muhammad Salihin Zakaria
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Preferred name
Muhammad Salihin Zakaria
Official Name
Muhammad Salihin , Zakaria
Alternative Name
Zakaria, Muhammad Salihin
Zakaria, M. S.B.
Zakaria, M. S.
Salihin, M. Z.
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Scopus Author ID
56479320900
Researcher ID
HTN-7486-2023

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Short review: corrosion mitigation of AZ31 Magnesium alloy by superhydrophobic coatings

2023 , Nur Fatihah Mohd Fadzil , Muhammad Salihin Zakaria , Razif Muhammed Nordin , Khairul Anwar Abdul Halim , Lokman Hakim Ibrahim

Corrosion is a slow chemical process that protects metals from deterioration. This can be accomplished in a variety of ways, one of which is coating protection. All such metals and their objects are usually coated with a protective coating. Due to their ability to resist corrosion, these protective coatings can provide a better esthetic as well as a longer lifespan than uncoated ones. Superhydrophobic coatings provide various applications, especially, in corrosion protection due to their water-repellent properties, which can be reflected by measuring the degree of water contact angle. In this short review, different fabrication methods of the superhydrophobic coating were discovered to give good water contact angles and at the same time enhance the anticorrosion performance of the AZ31 Mg alloy. Tafel polarization curve as well as Electrochemical Impedance Spectroscopy is able to provide the necessary assessment of corrosion protection performance of AZ31 Mg alloy.

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Short review: biowaste as a source of silica and Its application as a filler to fabricate the superhydrophobic silica-based coating

2024-03 , Nur Fatihah Mohd Fadzil , Muhammad Salihin Zakaria , Khairul Anwar Abdul Halim , Nur Farhana Hayazi , Lokman Hakim Ibrahim , Razif Muhammed Nordin

Silica (SiO2) plays a major key ingredient in producing products such as toothpaste, ceramics, and paints, to name a few, as it acts as a stabilizing agent, filler and additive. Due to its excellent properties, the use of high-purity SiO2 in industrial applications is favourable. Unfortunately, high-purity SiO2 is expensive. Tetraethyl Orthosilicate (TEOS) is an example of a SiO2 precursor that is costly and harmful, yet frequently employed. This paper provides a short review of the advantages of biowaste materials as SiO2 precursors and their role as fillers in the fabrication of superhydrophobic coating. Researchers nowadays are attempting to lower the expense of employing high-purity SiO2 by extracting silica from biowaste using many methods such as acid leaching and alkali treatment as this option is highly sustainable. The growth of agricultural industries is exponential due to the increase in biowaste production. Therefore, this is one of the ways to utilize the use of biowaste in combatting the environmental issues regarding excess biowaste and receding pure resources. SiO2 from biowaste also can be utilized as filler and used to develop superhydrophobic coating, providing numerous potential applications.

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Effect of Titanium Dioxide in superhydrophobic coating using expanded polystyrene foam and palm slag

2023 , Nur Zalifah Hasmadi , Muhammad Salihin Zakaria , Razif Muhammed Nordin , Khairul Anwar Abdul Halim , Nur Fatihah Mohd Fadzil , Lokman Hakim Ibrahim

A simple solvent casting method was proposed to prepare a superhydrophobic expanded polystyrene (EPS)/stearic acid modified palm slag (SA-PS)/titanium dioxide (TiO₂) coating with excellent water contact angle. The influence of components, such as mass ratio of palm slag to TiO₂ as well as the influence of TiO₂ on the morphology and wettability of coating, was evaluated. The morphology, tear behavior, surface roughness, and water contact angle were observed by scanning electron microscopy (SEM), scratch tester, 3D profilometer, and ImageJ software, respectively. The results displayed that the superhydrophobic coating exhibited highest WCA of 151.93° under the optimum condition formula. Additionally, the superhydrophobic EPS/SA-PS/TiO₂ showed non-wetting ability. Thus, the existence of a micro/nano-hierarchical structure of superhydrophobic EPS/SA-PS/TiO₂ may provide potential practical applications that are useful in many industries such as automotive or shipping.

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