Metallurgy, Surface Engineering and Corrosion of Metals and Alloys

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

Deadline for manuscript submissions: 25 October 2025 | Viewed by 1675

Special Issue Editor


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Guest Editor
Department of Mining, Metallurgical and Materials Engineering, Laval University, Quebec City, QC G1V 0A6, Canada
Interests: absorbable metals; metallic biomaterials; coating and surface modification; metallurgy and electrochemisty of corrosion
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Special Issue Information

Dear Colleagues,

It is my pleasure to invite you to contribute a manuscript to this Special Issue dedicated to advancing our knowledge in the fields of metallurgy, surface engineering, and corrosion of metals and alloys. Full research papers, short communications, and reviews are all welcome.

The Special Issue covers a wide range of topics, including corrosion fundamentals (electrochemistry, structure-process-corrosion relationship), metallurgical analysis of corrosion (metallurgy of corrosion-resistant alloys, corrosion-related failure), effect of novel manufacturing process to corrosion (additive manufacturing), corrosion and environment (aqueous corrosion, molten-metal corrosion/oxydation, high-temperature corrosion/oxidation), corrosion evaluation, testing and monitoring (including the use of AI, drones), coating and surface engineering (polymeric coating, cladding, paint, galvanizing), corrosion prevention and control (materials selection, corrosion inhibitors, cathodic protection), corrosion of advanced metals and alloys (superalloys, high-entropy alloys, biomaterials).

Dr. Hendra Hermawan
Guest Editor

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Keywords

  • coating
  • corrosion
  • corrosion-resistant alloys
  • electrochemistry
  • ferrous alloys
  • inhibitor
  • manufacturing process
  • metallurgy
  • microstructure
  • non-ferrous alloys
  • surface engineering

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Published Papers (2 papers)

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Research

15 pages, 5352 KiB  
Article
Influence of Selective Laser Melting Process and Heat Treatment Parameters on the Corrosion Resistance of 17-4 Precipitation Hardening Stainless Steel
by Anas Kerbout, Ayoub Tanji, Hendra Hermawan and Noureddine Barka
Metals 2025, 15(3), 232; https://doi.org/10.3390/met15030232 - 21 Feb 2025
Viewed by 505
Abstract
Selective laser melting (SLM) is an advanced additive manufacturing technique that enables the fabrication of complex metal components with high precision. However, inadequate parameter optimization can lead to defects that compromise the corrosion resistance of fabricated parts. Therefore, optimizing both SLM and heat [...] Read more.
Selective laser melting (SLM) is an advanced additive manufacturing technique that enables the fabrication of complex metal components with high precision. However, inadequate parameter optimization can lead to defects that compromise the corrosion resistance of fabricated parts. Therefore, optimizing both SLM and heat treatment parameters is essential for enhancing electrochemical properties. The present work aims to determine the effect of the SLM process and heat treatment parameters on the corrosion resistance of SLM-made 17-4 PH stainless steel. A set of SLM and heat treatment parameters (laser power, scanning speed, aging time, and aging temperature) was determined by employed Taguchi method and a set of cyclic potentiodynamic polarization and electrochemical impedance experiments was performed in 3.5 wt% NaCl solution to generate corrosion data. The Taguchi method and statistical analysis of variance reveal the effect of laser power, scanning speed, aging time, and aging temperature on corrosion current density and passive film resistance of the SLM-made 17-4 PH samples. Laser power and aging temperature had the most significant effects, with lower laser power and higher aging temperature leading to decreased corrosion resistance, as indicated by higher corrosion current density and lower passive film resistance. Additionally, this study proposes empirical predictive models to estimate the electrochemical properties of SLM-made 17-4 PH stainless steel. Full article
(This article belongs to the Special Issue Metallurgy, Surface Engineering and Corrosion of Metals and Alloys)
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24 pages, 13332 KiB  
Article
Corrosion Mechanism of Press-Hardened Steel with Aluminum-Silicon Coating in Controlled Atmospheric Conditions
by Nikola Macháčková, Darja Rudomilova, Tomáš Prošek, Thierry Sturel and Maxime Brossard
Metals 2025, 15(1), 97; https://doi.org/10.3390/met15010097 - 20 Jan 2025
Viewed by 795
Abstract
The effect of various atmospheric parameters on the corrosion mechanism of press-hardened steel (PHS) coated with Al-Si (AS) was studied. Quantitative models of the composition of soluble and stable corrosion products were developed. A high chloride concentration led to a localized corrosion due [...] Read more.
The effect of various atmospheric parameters on the corrosion mechanism of press-hardened steel (PHS) coated with Al-Si (AS) was studied. Quantitative models of the composition of soluble and stable corrosion products were developed. A high chloride concentration led to a localized corrosion due to the presence of cracks in the coating. Increased corrosion resistance of silicon-rich Al8Fe2Si and AlFe at the expense of the Al5Fe2 phase with low silicon content was shown. Under low-chloride-deposition conditions, the coating exhibited good corrosion resistance and provided sufficient protection to the underlying steel. The formation of more local anodes and cathodes under conditions of lower relative humidity led to a reduction in the depth of corrosion pits in the steel substrate. Constant high relative humidity and sulphate deposits on the surface were critical for the acceleration of steel corrosion in coating cracks. Full article
(This article belongs to the Special Issue Metallurgy, Surface Engineering and Corrosion of Metals and Alloys)
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