Corrosion Mechanisms and Cutting-Edge Protection Technologies for Advanced Alloy Materials

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Corrosion and Protection".

Deadline for manuscript submissions: 31 May 2026 | Viewed by 560

Special Issue Editor


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Guest Editor
School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China
Interests: corrosion; wear; stainless steel; electrochemical; titanium alloys
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Special Issue Information

Dear Colleagues,

Corrosion is a critical factor that affects the service performance of materials, particularly in the fields of aerospace, biomedicine, marine engineering, and energy equipment. The corrosion behavior of advanced materials such as magnesium, titanium, and high-entropy alloys directly impacts the structural safety and service life of components. Although these alloys possess excellent mechanical properties and functional characteristics, their corrosion mechanisms in complex environments (e.g., marine atmosphere, high-temperature/pressure conditions, biological fluids) are associated with numerous challenges. Thus, a thorough understanding of corrosion processes and efficient corrosion protection technologies is vital for enhancing the reliability of materials, extending their service life, reducing operational costs, and preventing catastrophic events caused by corrosion.

This Special Issue aims to consolidate recent findings related to the corrosion behavior and mechanisms of advanced alloy materials (e.g., magnesium alloys, titanium alloys, high-entropy alloys), highlight novel protection strategies (e.g., surface modification, corrosion inhibitors, coating technologies), and provide a platform for the dissemination of recent research findings. We welcome the submission of original papers and critical reviews.

The scope of this Special Issue includes, but is not limited to, the following topics:

  • Fundamental corrosion theories;
  • Localized corrosion mechanisms;
  • Multi-scale interfacial reactions;
  • Material–environment interaction;
  • Advanced characterization techniques;
  • Cutting-edge protection technologies;
  • Computational modeling and data-driven research.

Dr. Yanxin Qiao
Guest Editor

Manuscript Submission Information

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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. Metals is an international peer-reviewed open access monthly 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 mechanisms
  • interfacial reactions
  • cutting-edge protection

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Published Papers (1 paper)

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Research

19 pages, 3660 KB  
Article
Corrosion and Anodic Oxidation of Alloy 690 in Simulated Primary Coolant of a Small Modular Reactor Studied by In Situ Electrochemical Impedance Spectroscopy
by Martin Bojinov, Iva Betova and Vasil Karastoyanov
Metals 2025, 15(11), 1242; https://doi.org/10.3390/met15111242 - 12 Nov 2025
Viewed by 292
Abstract
The effect of KOH concentration as a boron-free coolant for prospective use in Small Modular Reactors (SMRs) on the corrosion of Alloy 690 is studied by in situ impedance spectroscopy at 280 °C/9 MPa during 168 h exposure in a flow-through cell connected [...] Read more.
The effect of KOH concentration as a boron-free coolant for prospective use in Small Modular Reactors (SMRs) on the corrosion of Alloy 690 is studied by in situ impedance spectroscopy at 280 °C/9 MPa during 168 h exposure in a flow-through cell connected to a high-temperature/high-pressure loop. To follow further oxidation of the passive film, the samples were subsequently polarized up to potentials 0.5 V more positive than the corrosion potential. The formed oxides were analyzed ex situ by measuring the atomic concentration of the constituent elements via glow discharge optical emission spectroscopy (GDOES) depth profiling. The Mixed-Conduction Model for Oxide Films (MCM) was employed to quantitatively interpret the impedance results. The estimated parameters are used to quantify the influence of KOH concentration and anodic polarization on oxide formation and soluble product release rates. Results are compared to those obtained in the nominal primary chemistry of pressurized water reactors and indicate that Alloy 690 can also be successfully used as a steam generator tube material in SMRs. Full article
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