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Coatings
Special Issues
Innovative Coating Processes to Protect Metals and Alloys from Deterioration
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Innovative Coating Processes to Protect Metals and Alloys from Deterioration

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Corrosion, Wear and Erosion".

Deadline for manuscript submissions: closed (31 October 2020) | Viewed by 4855

Special Issue Editors

Prof. Dr. Han-Seung Lee

E-Mail Website
Guest Editor
Department of Architectural Engineering, Hanyang University, Ansan 15588, Republic of Korea
Interests: concrete technologies; building materials; corrosion protection; corrosion testing; thermal conductivity; phase change materials; structural engineering; concrete durability
Special Issues, Collections and Topics in MDPI journals
Dr. Jitendra Kumar Singh

E-Mail Website
Guest Editor
Center for Creative Convergence Education, Innovative Durable Building and Infrastructure Research Center, Hanyang University, Ansan 15588, Republic of Korea
Interests: concrete; cement; corrosion; inhibitor; durability of building and infrastructures; hydration of cement; cementitious supplementary materials; synthesis of nanocomposite coating; dual metal/polymer coating; thermal spray technology; hot-dip galvanizing; atmospheric corrosion; synthesis of novel materials for corrosion protection of metals and alloys; process to reduce the porosity of coating; phase change materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Nowadays, the deterioration of metals, alloys and materials is a vital issue that can be mitigated by the use of innovative coating processes for long-term exposure in aggressive environments. The selection of the proper materials for use in the chemical industries, oil and gas, construction, bridges, dams, aerospace, automobile, etc. is also an area of study The selection of materials depends on the application. Therefore, innovative process are needed for implementation in recent technologies, which requires new insights in the materials development sector. This Special Issue will provide in depth knowledge of the state-of-the art and original research studies on “Innovative coating processes to protect metals and alloys from deterioration” and summarizes the work that has been carried out to date. This Special Issue will also provide new ideas on current perspectives and discussions of advanced coating technology and corrosion mechanisms, with theoretical and experimental research studies by world-renowned scientists, professors, experts, researchers, students, and readers.

The main focus of this Special Issue on “Innovative coating processes to protect metals and alloys from deterioration” is to provide and publish recent developments in the area of materials technology to protect metals and alloys from corrosion in harsh environments. Topics include, but are not limited to, the following:

  • Materials technology;
  • Thermal spray techniques;
  • Galvanization;
  • Sol-gel coating;
  • Electroless and electroplating;
  • Chemical industries;
  • Oil and gas sector;
  • Processes to develop innovative coating processes;
  • Development of smart materials that can protect the metals and alloys;
  • Nanotechnology development in the coating sector;
  • Protective methods to mitigate the corrosion of materials.

Prof. Dr. Han-Seung Lee
Dr. Jitendra Kumar Singh
Guest Editors

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. Coatings 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

  • Steel
  • Aluminum
  • Magnesium
  • Zinc
  • Alloys
  • Coating
  • Corrosion
  • Electrochemical processes
  • Nano technology
  • Advanced materials and process
  • X-ray Diffraction
  • Scanning Electron Microscopy
  • Atomic Force Microscopy
  • Raman Spectroscopy
  • X-ray Photoelectron Spectroscopy
  • Transmission Electron Microscopy

Published Papers (1 paper)

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Research

22 pages, 5070 KiB  
Article
Effect of Sodium Phosphate and Calcium Nitrate Sealing Treatment on Microstructure and Corrosion Resistance of Wire Arc Sprayed Aluminum Coatings
by Han-Seung Lee, Ashutosh Kumar, Soumen Mandal, Jitendra Kumar Singh, Fahid ASLAM, Rayed Alyousef and Hisham Albduljabbar
Coatings 2020, 10(1), 33; https://doi.org/10.3390/coatings10010033 - 01 Jan 2020
Cited by 14 | Viewed by 4220
Abstract
Aluminum coating was deposited by arc thermal spraying process onto the steel substrate for the corrosion protection in aggressive environment. However, the arc thermal sprayed coating possesses defects in the coating. Thus, it is important to reduce the defects and enhance the corrosion [...] Read more.
Aluminum coating was deposited by arc thermal spraying process onto the steel substrate for the corrosion protection in aggressive environment. However, the arc thermal sprayed coating possesses defects in the coating. Thus, it is important to reduce the defects and enhance the corrosion resistance properties of the deposited coating using post-treatment. In the present study, we have used different concentrations of sodium phosphate mono basic (NaH2PO4) with 0.1 molar (M) calcium nitrate [Ca(NO3)2] as post-treatment solution to fill out the defects of the Al coating. It was observed by scanning electron microscopy (SEM) that 1 M NaH2PO4 with 0.1 M Ca(NO3)2 treated sample exhibited 71% reduction in defects compared to as coated samples. X-ray diffraction (XRD) was performed to determine the phases formed on the coating surface after treatments. XRD confirms the formation of sodium aluminum hydrogen phosphate (Na3Al(OH)(HPO4)(PO4)) and brushite (Ca(HPO4)(H2O)2) as composite oxides on the Al coating. Electrochemical results show that 0.5 M NaH2PO4 with 0.1 M Ca(NO3)2 treated sample has exhibited the highest charge transfer resistance and the lowest corrosion current density after 89 days of exposure in 3.5 wt.% NaCl solution. The enhancement in corrosion resistance of 0.5 M NaH2PO4 with 0.1 M Ca(NO3)2 treated sample attributed to the formation of adherent, sparingly soluble, and stable corrosion products. The volume fraction result of the corrosion products formed on 0.5 M NaH2PO4 with 0.1 M Ca(NO3)2 treated sample after 89 days of exposure in 3.5 wt.% NaCl using XRD confirms the highest amount of Bayerite (α-Al(OH)3) deposition, thus, the corrosion rate of this sample was the lowest. Full article
(This article belongs to the Special Issue Innovative Coating Processes to Protect Metals and Alloys from Deterioration)
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