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New Advances in Corrosion Inhibitor for Metals and Alloys

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Corrosion".

Deadline for manuscript submissions: 20 October 2025 | Viewed by 576

Special Issue Editor


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Guest Editor
Department of Mechanical Engineering, Gachon University, Seongnam 13120, Republic of Korea
Interests: polymers; biopolymers, organic chemistry; coating; corrosion; composite materials; molecular simulations
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Special Issue Information

Dear Colleagues,

Corrosion of metals and alloys remains a significant challenge across various industries, leading to substantial economic losses and safety concerns. The development of effective corrosion inhibitors is crucial to mitigate these issues and extend the lifespan of metallic structures. This special issue, titled “New Advances in Corrosion Inhibitor for Metals and Alloys”, brings together cutting-edge research and innovative approaches in the field of corrosion inhibition. The contributions cover a wide range of topics, including the synthesis and characterization of novel inhibitors, eco-friendly and sustainable corrosion inhibitors, computational modeling for inhibitor design, and the application of advanced techniques for performance evaluation. The issue also highlights the role of nanotechnology, green chemistry, and smart materials in the development of next-generation corrosion inhibitors.

Topics include, but are not limited to, methods and/or applications in the following areas:

  • Synthesis and Characterization of Novel Corrosion Inhibitors
  • Green and Sustainable Corrosion Inhibitors
  • Nanotechnology in Corrosion Inhibition
  • Computational and Theoretical Approaches
  • Electrochemical Techniques for Corrosion Monitoring
  • Smart and Functional Materials
  • Industrial Applications of Corrosion Inhibitors.

This special issue aims to provide a comprehensive platform for researchers and industry professionals to share their latest findings and innovations in the field of corrosion inhibition for metals and alloys.

Prof. Dr. Omar Dagdag
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • corrosion inhibitors
  • metals and alloys
  • green inhibitors
  • nanotechnology
  • computational modeling
  • sustainable materials
  • electrochemical techniques
  • smart coatings
  • corrosion protection
  • advanced materials

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Published Papers (1 paper)

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Research

28 pages, 9568 KiB  
Article
Electrochemical Investigations of Galium verum Ethanolic Extract as a Steel Corrosion Eco-Inhibitor in the Acid Media: An Unexpected Versatility of Plant Chemistry
by Anca Cojocaru, Gabriela Elena Badea, Ioana Maior, Simona Dzitac, Oana Delia Stănășel, Mioara Sebeșan, Camelia Daniela Ionaș and Petru Creț
Materials 2025, 18(9), 2078; https://doi.org/10.3390/ma18092078 - 1 May 2025
Viewed by 411
Abstract
Corrosion inhibitors are substances that reduce or eliminate the corrosion of a metal in a certain environment. Corrosion inhibitors act by several mechanisms, including adsorption, film formation, passivation, and oxygen scavenging. Due to their toxicity, classic corrosion inhibitors affect the environment. Therefore, in [...] Read more.
Corrosion inhibitors are substances that reduce or eliminate the corrosion of a metal in a certain environment. Corrosion inhibitors act by several mechanisms, including adsorption, film formation, passivation, and oxygen scavenging. Due to their toxicity, classic corrosion inhibitors affect the environment. Therefore, in recent years, more and more studies have focused on the development of eco-friendly inhibitors for the environment. In this study, ethanolic extract of Galium verum (GV) was tested for the inhibition of steel corrosion in 1 M HCl medium using electrochemical methods: open circuit potential (OCP), potentiodynamic polarization (PP), and electrochemical impedance spectroscopy (EIS). Reverse-phase liquid chromatography (HPLC) and gas chromatography mass spectrometry (MS-GC) previous studies state that GV extract contains polyphenols and other chemical species responsible for the inhibitory effect. Corrosion investigations have highlighted the influence of the concentration of the GV extract, in the range of 50 ÷ 400 ppm G.A.E./mL, as well as the influence of temperature in the range of 20 ÷ 50 °C. The corrosion inhibitory efficiency of the Galium verum ethanolic extract had a maximum value of 91.82% for a concentration of 400 ppm polyphenol content, demonstrating the inhibitory potential of this green product in an acidic environment for mild steel. Statistical calculus on the obtained values of EIS inhibitor efficiency showed that the effect of the extract becomes stronger at higher concentrations. Full article
(This article belongs to the Special Issue New Advances in Corrosion Inhibitor for Metals and Alloys)
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