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Special Issue "Advances in Corrosion Resistance of Metal Materials"

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

Deadline for manuscript submissions: 20 January 2024 | Viewed by 1386

Special Issue Editors

Prof. Dr. Xiaoning Tian
E-Mail Website
Guest Editor
Department of Materials and Chemical Engineering, Ningbo University of Technology, Ningbo 315211, China
Interests: new graphene composite materials; porous carbon materials; supercapacitor; preparation of fuel cell electrode materials; solid acid catalysis
Special Issues, Collections and Topics in MDPI journals
School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, China
Interests: concrete durability; magnesium based low-carbon cementitious materials; carbon sequestration of cement-based materials; solid waste resource utilization; asphalt
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The corrosion resistance of materials is an extremely important performance parameters when applied in the harsh service environment, especially in coastal environments. Metal materials are prone to losing electrons due to their high activity, leading to corrosion. In order to prevent metal corrosion, some necessary key protective measures need to be taken. A rust inhibitor is usually added to achieve the purpose of corrosion prevention in metal composite materials. Moreover, electroplating and cathodic protection are also applied for corrosion prevention of metals. Additionally, some evaluation methods of corrosion degree are also commonly used. Evaluation methods, such as electrical parameter method, mass loss method, and microscopic analysis method, are effective to quantitatively analyze the corrosion degree.

Prof. Dr. Xiaoning Tian
Dr. Ling Qin
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. 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 resistance
  • metal materials
  • corrosive environment
  • evaluation methods
  • electrical parameter method

Published Papers (2 papers)

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Research

18 pages, 8527 KiB  
Article
Influence of Oxygen Content in the Protective Gas on Pitting Corrosion Resistance of a 316L Stainless Steel Weld Joint
Materials 2023, 16(17), 5968; https://doi.org/10.3390/ma16175968 - 31 Aug 2023
Viewed by 648
Abstract
Gas tungsten arc welding (GTAW) is commonly used for joining pipelines; however, it often leads to discoloration in the heat-affected zone (HAZ). In this study, 316L pipes were welded with different concentrations of oxygen present in the argon purge gas during welding. The [...] Read more.
Gas tungsten arc welding (GTAW) is commonly used for joining pipelines; however, it often leads to discoloration in the heat-affected zone (HAZ). In this study, 316L pipes were welded with different concentrations of oxygen present in the argon purge gas during welding. The objective of this study was to investigate the effect of oxygen concentration in the protective gas on the pitting corrosion resistance of welded pipes. The experimental results showed that the thickness of the oxide layer formed in the HAZ depends on the concentration of oxygen in the protective gas. Increasing the oxygen concentration in the protective gas resulted in an increase in pitting corrosion resistance until a critical value, beyond which the resistance decreased. The results showed that the thickness of the oxide layer formed in the HAZ depends on the concentration of oxygen in the protective gas. Increasing the oxygen concentration in the protective gas increased the pitting corrosion resistance until a critical value, beyond which the resistance decreased due to the formation of iron oxide. This study provides valuable insights for improving the corrosion resistance of welded pipes in the oil and gas industry. Full article
(This article belongs to the Special Issue Advances in Corrosion Resistance of Metal Materials)
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14 pages, 3195 KiB  
Article
The Corrosion Resistance of Reinforced Reactive Powder Concrete with Secondary Aluminum Ash Exposed to NaCl Action
Materials 2023, 16(16), 5615; https://doi.org/10.3390/ma16165615 - 14 Aug 2023
Viewed by 491
Abstract
Secondary aluminum ash (SAA) is a type of common solid waste which leads to pollution without treatment. Due to its chemical reactivity, the application of SAA to reactive powder concrete (RPC) may help solidify this solid waste while increasing its performance. However, RPC [...] Read more.
Secondary aluminum ash (SAA) is a type of common solid waste which leads to pollution without treatment. Due to its chemical reactivity, the application of SAA to reactive powder concrete (RPC) may help solidify this solid waste while increasing its performance. However, RPC is usually in active service when used with steel bars. NaCl can corrode the steel bars when reinforced RPC is used in a coastal environment. In this study, the corrosion resistance of reinforced RPC was investigated. The specimens were exposed to an environment of NaCl with freeze–thaw cycles (F-Cs) and dry–wet alternations (D-As). The corresponding mass loss rates (MRs), the electrochemical impedance spectroscopy (EIS) curves and the dynamic modulus of elasticity (DME) were measured. The results show that the MR and the DME of reinforced RPC decrease with increasing values of F-C and D-A. F-C and D-A increases lead to increased electrical resistance (R). The real part value corresponding to the extreme point of the EIS curve is increased by 0~213.7% when the SAA is added. The relationship between the imaginary part and the real part of the EIS fits the quadratic function. The equivalent circuit of the reinforced RPC is obtained from the EIS curves. The R of the rust is calculated by using the equivalent circuit. The rust’s R decreases in the quadratic function with the mass ratio of the SAA. After 200 NaCl F-Cs, the MR, the DME and the R vary within the ranges of 23.4~113.6%, −2.93~−4.76% and 4.92~13.55%. When 20 NaCl D-As are finished, the MR, the DME and the R vary within the ranges of 34.7~202.8%, −13.21~−14.93% and 120.48~486.39%. The corrosion area rates are 2.3~68.7% and 28.7~125.6% higher after exposure to 200 NaCl F-Cs and 20 NaCl D-As. When the SAA is mixed, the MR is decreased by 0~13.12%, the DME increases by 0~3.11%, the R of the reinforced RPC increases by 26.01~152.43% and the corrosion area rates are decreased by 21.39~58.62%. This study will provide a novel method for solidifying SAA while improving the chlorine salt resistance of RPC. Full article
(This article belongs to the Special Issue Advances in Corrosion Resistance of Metal Materials)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Comparison of magnetron-sputtered and cathodic arc deposited Ti and Cr thin films on stainless steel for bipolar plates
Authors: Nils Fredebeul-Beverungen; Maximilian Steinhorst; Maurizio Giorgio; Teja Roch
Affiliation: 1 Fraunhofer Institute for Material and Beam Technology IWS 2 TUD Dresden University of Technology, Institute of Materials Science
Abstract: In this work, the potential of magnetron sputtering as well as cathodic arc evaporation is investigated with regard to the suitability as bipolar plate coating in PEM fuel cell. For this purpose, Cr and Ti thin films are deposited on 0.1 mm SS316L by varying the power and bias voltage. The surface structure and thickness of the coatings are examined via SEM and tactile profilometry. Moreover, the coating variants are compared with each other based on the electrical and electrochemical properties relevant for bipolar plates. The sputtered Cr thin films achieves the lowest contact resistance values among the samples and exhibit a columnar structure with a smooth surface. Regarding the electrochemical properties, titanium is the preferable material and here deposited via cathodic arc evaporation, because these coating variants has a low current density in the passive region and high breakthrough potential. All in all, both deposition techniques have their individual advantages for the preparation of bipolar plates coatings. However, Ti thin film prepared via cathodic arc seems to be the most suitable option due to the combination of high deposition rate, low cost and good coating properties.

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