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Corrosion and Corrosion Inhibition of Materials
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Corrosion and Corrosion Inhibition of Materials

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

Deadline for manuscript submissions: closed (20 August 2024) | Viewed by 5178

Special Issue Editor

Dr. Ech-Chihbi Elhachmia

E-Mail Website
Guest Editor
Laboratory of Engineering, Electrochemistry, Modeling and Environment, Faculty of Sciences, Sidi Mohamed Ben Abdellah University, Fez, Morocco
Interests: corrosion processes and corrosion protection of different materials; inhibitors extracrion in different corrosive systems inhibitor-metal interaction mechanisms; Electrochemical techniques; surface and solution characterization; density functional theory and molecular dynamics

Special Issue Information

Dear Colleagues,

Corrosion is the process of the deterioration of metals and alloys due to the reaction with the surrounding environment, particularly in the presence of oxygen and moisture. This phenomenon can weaken the structural integrity of the material, leading to functional failure.

Corrosion inhibition is the technique of preventing or reducing the corrosion rate of metals and alloys by using chemical compounds. This is done by adding inhibitors to the surrounding environment or coating the surface with inhibitor substances. Inhibitors work by forming a protective layer on the metal surface, hindering the reaction between the metal and corrosive agents. The effectiveness of corrosion inhibition depends on the type of material, the environment, and the inhibitor selected. Proper selection of inhibitors can save significant costs and resources, and ultimately help to prolong the lifespan of the equipment. Corrosion inhibitors have widespread applications in suppressing or at least mitigating the corrosion process of metals in different fields, spanning from industrial sectors to construction materials to surface treatments for cultural heritage.

This Special Issue is oriented toward all corrosion issues associated with the fundamentals of the corrosion science of metals, alloys, and materials; corrosion protection; and testing to assess corrosion resistance. Subjects of interest include the corrosion behavior of metals and their alloys. The development of methods to prevent and control the corrosion of metals and their alloys is also of interest.

I am pleased to invite you to submit a manuscript for this Special Issue. Full papers, communications, and reviews are all welcome.

Dr. Ech-Chihbi Elhachmia
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. 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

  • metals
  • alloys
  • material
  • corrosion
  • corrosion inhibition
  • corrosion protection

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Published Papers (4 papers)

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Research

11 pages, 3095 KiB  
Article
Electrodeposition of Sn-Ru Alloys by Using Direct, Pulsed, and Pulsed Reverse Current for Decorative Applications
by Margherita Verrucchi, Giulio Mazzoli, Andrea Comparini, Roberta Emanuele, Marco Bonechi, Ivan Del Pace, Walter Giurlani, Claudio Fontanesi, Remigiusz Kowalik and Massimo Innocenti
Materials 2024, 17(21), 5326; https://doi.org/10.3390/ma17215326 - 31 Oct 2024
Cited by 1 | Viewed by 911
Abstract
Pulsed current has proven to be a promising alternative to direct current in electrochemical deposition, offering numerous advantages regarding deposit quality and properties. Concerning the electrodeposition of metal alloys, the role of pulsed current techniques may vary depending on the specific metals involved. [...] Read more.
Pulsed current has proven to be a promising alternative to direct current in electrochemical deposition, offering numerous advantages regarding deposit quality and properties. Concerning the electrodeposition of metal alloys, the role of pulsed current techniques may vary depending on the specific metals involved. We studied an innovative tin–ruthenium electroplating bath used as an anti-corrosive layer for decorative applications. The bath represents a more environmentally and economically viable alternative to nickel and palladium formulations. The samples obtained using both direct and pulsed currents were analyzed using various techniques to observe any differences in thickness, color, composition, and morphology of the deposits depending on the pulsed current waveform used for deposition. Full article
(This article belongs to the Special Issue Corrosion and Corrosion Inhibition of Materials)
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22 pages, 2444 KiB  
Article
Optimization and Evaluation of Accelerated Corrosion Tests Based on Mechanism Equivalence Principles
by Mumeng Wei, Jinghua Yao, Yufan Chen, Bojun Yang, Dichun Chen and Yikun Cai
Materials 2024, 17(16), 4042; https://doi.org/10.3390/ma17164042 - 14 Aug 2024
Viewed by 1169
Abstract
Conventional indoor corrosion test design methods primarily focus on the rapid evaluation of material corrosion resistance, often neglecting the impact of environmental stress levels on the equivalence of corrosion mechanisms. This study introduces a novel indoor corrosion test design method based on the [...] Read more.
Conventional indoor corrosion test design methods primarily focus on the rapid evaluation of material corrosion resistance, often neglecting the impact of environmental stress levels on the equivalence of corrosion mechanisms. This study introduces a novel indoor corrosion test design method based on the principle of corrosion mechanism equivalence, aimed at improving the accuracy of indoor accelerated corrosion simulations. We define the characteristic of corrosion mechanism equivalence as the Corrosion Mechanism Equivalence Degree (CMed), which quantifies the similarity between corrosion mechanisms in indoor accelerated tests and field tests. Then, modified conventional link function models are defined, integrating the probability distribution of environmental factors to estimate corrosion model parameters more precisely. Finally, an optimization problem is constructed for accelerated corrosion tests based on CMed, incorporating constraints on environmental stress levels and acceleration factors. A case study demonstrates the proposed method’s ability to accurately simulate the actual service environment of materials, determining the appropriate stress levels for indoor accelerated corrosion tests while ensuring the desired acceleration factor and corrosion mechanism equivalence. Full article
(This article belongs to the Special Issue Corrosion and Corrosion Inhibition of Materials)
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12 pages, 9426 KiB  
Article
Electrochemical Corrosion Behavior and the Related Mechanism of Ti3SiC2/Cu Composites in a Strong Acid Environment
by Rui Zhang, Chengzhi Du, Fuyan Liu and Chenlong Wu
Materials 2024, 17(16), 4035; https://doi.org/10.3390/ma17164035 - 14 Aug 2024
Cited by 1 | Viewed by 827
Abstract
The electrochemical corrosion behaviors of Ti3SiC2/Cu composites in harsh media including dilute HNO3 and concentrated H2SO4 were studied in detail and the related corrosion mechanisms were explored. Under open-circuit potential, the corrosion resistance of Ti [...] Read more.
The electrochemical corrosion behaviors of Ti3SiC2/Cu composites in harsh media including dilute HNO3 and concentrated H2SO4 were studied in detail and the related corrosion mechanisms were explored. Under open-circuit potential, the corrosion resistance of Ti3SiC2/Cu in dilute HNO3 was worse than that in concentrated H2SO4. In dilute HNO3, Ti3SiC2/Cu exhibited a typical passivation character with a narrow passivation interval. During the corrosion process, the dissolution of Cu-Si compounds resulted in the destruction of the passivation layer on the surface. Additionally, with the increasing of the potentials, the oxidation of Cu and Si atoms led to the generation of the oxide film again on the surface. In concentrated H2SO4, the Ti3SiC2/Cu composite was covered by a double-layered passivation layer, which was composed of an internal layer of TiO2 and an external layer of Cu2O and SiO2. This was because Cu diffused into the surface and was oxidized into Cu2O, which formed a denser oxidized film with SiO2. In addition, it was found that Ti3SiC2/Cu has better corrosion resistance in concentrated H2SO4. Full article
(This article belongs to the Special Issue Corrosion and Corrosion Inhibition of Materials)
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18 pages, 4016 KiB  
Article
Experimental Studies on the Effect of Expired Amiodarone Drug (EAD) as a Corrosion Inhibitor on Mild Steel in 1 M HCl
by H. Mohamed Kasim Sheit, S. Musthafa Kani, M. Anwar Sathiq, S. S. Syed Abuthahir, P. Subhapriya, K. S. Nivedhitha, M. A. Umarfarooq, Irfan Anjum Badruddin, Sarfaraz Kamangar and Abdul Saddique Shaik
Materials 2024, 17(3), 751; https://doi.org/10.3390/ma17030751 - 4 Feb 2024
Cited by 10 | Viewed by 1687
Abstract
In the present investigation, the corrosion tendency of mild steel under acidic pH was studied by employing unused expired amiodarone (EAD) drug as a potential corrosion inhibitor by adopting the weight loss measurement method. The corrosion inhibition efficiency (IE) of the formed protective [...] Read more.
In the present investigation, the corrosion tendency of mild steel under acidic pH was studied by employing unused expired amiodarone (EAD) drug as a potential corrosion inhibitor by adopting the weight loss measurement method. The corrosion inhibition efficiency (IE) of the formed protective film (EAD) on the steel surface was analyzed using potentiodynamic polarization and AC-impedance spectroscopy studies. The surface morphology of the mild steel before and after corrosion (in 1.0 M HCl) was analyzed via scanning electron microscopy–energy dispersive X-ray spectroscopy (SEM–EDAX), atomic force microscopy (AFM), and thermodynamic studies. The weight loss measurement under different concentrations of EAD indicated that an excellent inhibition was displayed at a concentration of 0.001 M, and the IE was found to depend on both the concentration and molecular structure of EAD. A potentiodynamic polarization study revealed that EAD predominantly acted as a cathode inhibitor, and electrochemical impedance spectroscopy (EIS) confirmed the adsorption of EAD on the surface of mild steel, which obeyed Temkin’s adsorption isotherm model. The calculated thermodynamic parameters revealed that adsorption was spontaneous and exothermic. Full article
(This article belongs to the Special Issue Corrosion and Corrosion Inhibition of Materials)
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