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Metals
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Influence of Surface Treatment on Corrosion Behavior of Steels
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Influence of Surface Treatment on Corrosion Behavior of Steels

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

Deadline for manuscript submissions: closed (30 November 2021) | Viewed by 9743

Special Issue Editor

Dr. Shigenobu Kainuma

E-Mail Website
Guest Editor
Department of Civil Engineering, Faculty of Engineering, Kyushu University, Fukuoka, Japan
Interests: corrosion; fatigue; steel structure; maintenance engineering

Special Issue Information

Dear Colleagues,

Surface treatments are essential in various fields, as a promising method to obtain desirable surface properties for different usages, such as the abrasive blasting before painting in construction or marine structures, or laser surface treatment that includes separate purposes of peening, texturing, or even cleaning. The steel materials usually undergo surface treatment before being put to use. In service, corrosion is one of the major problems for the durability and safety of steel materials. The relationship between surface treatments and corrosion behaviors of steels is thereby an important issue for application.

This Special Issue is dedicated to current developments in and research on the corrosion behavior of steels, prepared by surface treatment. All kinds of surface treatment are included, as long as they are targeting steel materials. The corrosion behavior will cover, but is not limited to, anodic oxidation, high temperature oxidation, biochemical corrosion and passivity, etc. Original papers, communications, and review articles ranging from highly theoretical to essentially practical are welcomed.

Dr. Shigenobu Kainuma
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. 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

  • Surface treatment
  • Corrosion behavior
  • Steels
  • Surface cleaning
  • Surface hardening
  • Surface texturing

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Published Papers (2 papers)

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Research

21 pages, 15302 KiB  
Article
Surface Characteristics and Corrosion Behavior of Carbon Steel Treated by Abrasive Blasting
by Aran Kim, Shigenobu Kainuma and Muye Yang
Metals 2021, 11(12), 2065; https://doi.org/10.3390/met11122065 - 20 Dec 2021
Cited by 22 | Viewed by 4977
Abstract
The effects of blasting with metallic steel grit and non-metallic alumina grit on steel surface characteristics were evaluated. These abrasives are generally used at construction sites and in vacuum blasting. Milled steel specimens were used to investigate the effect of the blasting conditions [...] Read more.
The effects of blasting with metallic steel grit and non-metallic alumina grit on steel surface characteristics were evaluated. These abrasives are generally used at construction sites and in vacuum blasting. Milled steel specimens were used to investigate the effect of the blasting conditions on surface properties. The effect of difference in surface properties on the adhesion strength and corrosion behavior were measured through adhesion tests, polarization curves, and electrochemical impedance spectroscopy. The limitations of blasting were evaluated using corroded steel specimens, as were the effects of corrosion products, salts, and abrasive material remaining on the blasted steel surface on the adhesion and corrosion resistance of paint. Steel grit more effectively increased the surface roughness than alumina grit; however, with both abrasive materials, the roughness increased with the blast projection angle. However, in the case of alumina grit, some abrasive material remained on the surface; thus, the actual roughness not including the residual abrasive material was more complex and greater than that of the sample blasted with steel grit. According to the adhesion strength test of painted and unpainted specimens, the adhesion force improved with increasing surface roughness and residual abrasive materials. Further, surface roughness was linearly correlated with the adhesion strength of unpainted specimens for both abrasive materials with blasting, and the adhesion strength force with alumina grit was approximately 1.4 times higher than that with steel grit, suggesting that increased roughness and residual abrasive material could benefit adhesion. According to the electrochemical test results, lower roughness and increased residual abrasive material owing to alumina grit on the steel surface enhanced the surface corrosion resistance, confirming the benefit of residual materials. Grinding left behind corrosion products and salts under the steel, resulting in the recurrence of rusting. However, the residue from blasting with alumina suppressed corrosion, thus improving the adhesion and corrosion resistance of the paint. Full article
(This article belongs to the Special Issue Influence of Surface Treatment on Corrosion Behavior of Steels)
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18 pages, 45774 KiB  
Article
A Novel Approach to Inhibit Intergranular Corrosion in Ferritic Stainless Steel Welds Using High-Speed Laser Cladding
by Niklas Sommer, Lukas Grimm, Christian Wolf and Stefan Böhm
Metals 2021, 11(12), 2039; https://doi.org/10.3390/met11122039 - 15 Dec 2021
Cited by 5 | Viewed by 3571
Abstract
Ferritic stainless steels are prone to localized corrosion phenomena such as pitting corrosion or intergranular corrosion, in particular when jointed by fusion welding processes. State-of-the-art techniques to avoid intergranular corrosion mainly consist of alternating alloy concepts or post-weld heat-treatments—all of which are associated [...] Read more.
Ferritic stainless steels are prone to localized corrosion phenomena such as pitting corrosion or intergranular corrosion, in particular when jointed by fusion welding processes. State-of-the-art techniques to avoid intergranular corrosion mainly consist of alternating alloy concepts or post-weld heat-treatments—all of which are associated with increased production costs. Hence, the present investigation seeks to introduce a novel approach for the inhibition of intergranular corrosion in ferritic stainless steel welds through the use of high-speed laser cladding. Here, vulnerable sites prone to intergranular corrosion along the weld seam area are coated with a chemically resistant alloy, whereby an overlap is achieved. Optical and electron microscopy as well as computer tomography and tensile tests reveal that the detrimental effects of intergranular corrosion in both stabilized and unstabilized ferritic stainless steel are substantially reduced. In addition to that, the effects of varying overlap widths on the identified corrosion phenomena are studied. Moreover, the resulting dilution and precipiation phenomena at the clad–sheet interface are thoroughly characterized by electron backscatter diffraction and energy dispersive X-ray spectroscopy, whereby interrelationships to corrosion resistance can be drawn. As a result of this investigation, the number of techniques for the inhibition of intergranular corrosion is enlarged, and substantial cost-saving potentials in the manufacturing industry are unlocked. Full article
(This article belongs to the Special Issue Influence of Surface Treatment on Corrosion Behavior of Steels)
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