Corrosion and Mechanical Behavior of Metal Materials (2nd Edition)
A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Metals and Alloys".
Deadline for manuscript submissions: 20 November 2024 | Viewed by 5138
Special Issue Editor
Interests: corrosion; SCC; corrosion fatigue
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Many structural metal materials work under the coupling condition of the load and corrosion environment. Therefore, it is necessary to study the corrosion and mechanical behavior of metal structural materials. The corrosion behaviors of metals under the coupling condition of the mechanics and corrosion environment mainly include stress corrosion cracking, hydrogen-induced cracking, corrosion fatigue, erosion corrosion, wear corrosion, etc. From the macroscopic or microscopic point of view, these corrosion damages all involve the fracture process, and fractures are caused by environmental factors, also known as environmental fractures. Thus, this Special Issue, the second volume of "Corrosion and Mechanical Behavior of Metal Materials”, will still focus on the environmental fracture behavior of metal materials. We hope that colleagues in the relevant field can contribute to the topic, including but not limited to experimental, computational, or theoretical studies on environmental corrosion fracture of high-strength metal materials.
Dr. Ming Liu
Guest Editor
Manuscript Submission Information
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Keywords
- stress corrosion cracking
- hydrogen-induced cracking
- corrosion fatigue
- erosion corrosion
- wear corrosion
Related Special Issue
- Corrosion and Mechanical Behavior of Metal Materials in Materials (12 articles)
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: Recent progress on atmospheric corrosion of field-exposed magnesium alloys
Authors: Mengqi Wang; Lihui Yang; Hao Liu; Xiutong Wang; Yantao Li; Yanliang Huang
Affiliation: Key Laboratory of Advanced Marine Materials, Key Laboratory of Marine Environmental Corrosion and Bio-Fouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;
Abstract: It is well known that the poor corrosion resistance of magnesium alloys is a key factor limiting their application. Field exposure is the most reliable means to evaluate the atmospheric corrosion performance of magnesium alloys. This article reviews the field exposure corrosion behavior of magnesium alloys in typical atmospheric environments (including marine atmosphere, industrial atmosphere, etc.) in recent years. According to the literature review, it was found that there are significant regional differences in the atmospheric corrosion behavior of magnesium alloys, which is the result of the coupling of multiple factors in the atmospheric environment. By investigating the corrosion rate and corrosion products of different types of magnesium alloys in different environments, the corrosion mechanism of magnesium alloys in different environments was summarized. Specifically, environmental parameters such as atmospheric temperature, relative humidity, CO2 and chloride ion deposition rates in the marine atmospheric environment can affect the corrosion behavior of magnesium alloys. The corrosion of magnesium alloys in different industrial atmospheric environments is mainly affected by atmospheric temperature, relative humidity, atmospheric pollutants (such as SO2, CO2, NO2) and dust. This review has significant contributions to the development of new corrosion-resistant magnesium alloys.
Title: Effect of Single Particle High-speed Impingement on the Electrochemical Step Characteristics of Stainless Steel Surface
Authors: Meihong Liu; Long Chai; Min Yang; Jiarui Cheng
Affiliation: Xi'an Shiyou University
Abstract: In the process of particle erosion and electrochemical corrosion interaction, the electrolyte flow state change, product film destruction and matrix structure change caused by particle impact affect the electrochemical corrosion process, making the electrode surface potential and current formation step correspondingly. The peak, step time and recovery time in this transient step cycle can indirectly reflect the smoothness and reaction rate of the electrochemical reaction system, and thus characterize the resistance to scouring corrosion coupling damage of metals in liquid-solid two-phase flow. In this study, an electrochemical step model under particle impact considering boundary layer perturbation was developed. Electrochemical monitoring experiments using polymer-insulated particles under impact in a specially designed miniature three-electrode system to test step-critical values, including step potential, current, and resistance, et al. The experimental results reflect the effect law of particle impact velocity and particle size on the peak step and recovery period. Meanwhile, the effect of particle impingement on the electrochemical step of stainless steel in different electrolyte solutions was obtained by comparing the step curves in distilled water and Cl-containing water. The connection between the parameters in the electrochemical step model and in the particle impact, as well as the effect of the variation of these parameters on the surface repassivation process are discussed in the paper. By fitting and modeling the test curves, a new mathematical model of electrochemical step-decay under single-particle impact was obtained, which can be used to characterize the change pattern of electrochemical parameters on the metal surface before and after the impingement.