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Special Issue "Properties and Characterizations of Mg Alloys"

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

Deadline for manuscript submissions: closed (15 February 2023) | Viewed by 954

Special Issue Editor

School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan, China
Interests: magnesium alloy; magnesium alloy welded joint; corrosion behavior; corrosion inhibitor; coating; fatigue behavior; numerical simulation

Special Issue Information

Dear Colleagues,

The magnesium alloy is a kind of lightweight structural material with light specific gravity, high specific strength, high specific stiffness, and good electromagnetic shielding, which is known as "the most potential green engineering materials in the 21st century” and widely used in aerospace, electronic communication, automobile manufacturing, and many other fields. With the development of the magnesium alloy, their application fields and prospects are constantly expanding. However, the chemical properties of magnesium alloy are very active and its corrosion resistance is very poor, so the application of magnesium alloys is limited in various fields. Therefore, it is of great theoretical and practical significance to study the corrosion, galvanic corrosion, and fatigue behavior of magnesium alloys, as well as to establish reliable protective measures, such as corrosion inhibitor and coating.

This Special Issue covers original research and review articles on recent advances in properties and characterization of magnesium alloy, such as corrosion behavior, corrosion inhibitor, coating, fatigue behavior, numerical simulation, and related topics.

Prof. Dr. Hualiang Huang
Guest Editor

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  • magnesium alloy
  • magnesium alloy welded joint
  • corrosion behavior
  • corrosion inhibitor
  • coating
  • fatigue behavior
  • numerical simulation

Published Papers (1 paper)

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The Effect of ECAP Processing Conditions on Microstructural Evolution and Mechanical Properties of Pure Magnesium—Experimental, Mathematical Empirical and Response Surface Approach
Materials 2022, 15(15), 5312; - 02 Aug 2022
Cited by 8 | Viewed by 732
In this study, a quantitative evaluation approach was used to investigate how certain ECAP processing parameters affect the microstructural evolution, Vicker’s microhardness values and tensile properties of pure Mg. The ECAP processing parameters were number of passes, ECAP die channel angle and processing [...] Read more.
In this study, a quantitative evaluation approach was used to investigate how certain ECAP processing parameters affect the microstructural evolution, Vicker’s microhardness values and tensile properties of pure Mg. The ECAP processing parameters were number of passes, ECAP die channel angle and processing route type. The response surface methodology (RSM) technique was used to design 16 runs of the experiment using Stat-Ease design expert software. Billets of pure Mg were processed up to four passes of routes Bc, A and C at 225 °C. Two ECAP dies were used with internal channel angles of 90° and 120°. Experimental findings were used to establish empirical models to assess the influence of the ECAP processing parameters on grain size and mechanical properties of ECAPed billets. The established relationships were examined and validated for their adequacy and significance using ANOVA as well as several statistical criteria. Response surface plots and contour graphs were established to offer better understanding of the intended relationships. In addition, the optimum processing parameters for grain size, hardness values and tensile properties were defined. Both experimental results and the theoretical model revealed that route Bc is the most effective route in grain refining. The experimental findings showed that four passes of route Bc through the die channel angle 90° revealed a significant reduction in the grain size by 86% compared to the as-annealed counterparts. Similar to the grain size refining, four-passes processing through the ECAP die with an internal channel angle of 90° leads to improved Vicker’s microhardness values. Additionally, four passes of route Bc using the 90° die angle recorded a significant HV increase at the edge and central areas by 112% and 78%, respectively, compared to the as-annealed counterpart. On the other hand, according to the optimization findings, two passes of route Bc using a die angle of 120° resulted in the best ultimate tensile strength for pure Mg, whereas four passes of route Bc revealed the optimum ductility at fracture. Full article
(This article belongs to the Special Issue Properties and Characterizations of Mg Alloys)
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