Forming and Properties of Lightweight Alloys

A special issue of Metals (ISSN 2075-4701).

Deadline for manuscript submissions: 20 December 2024 | Viewed by 831

Special Issue Editors


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Guest Editor
State Key Laboratory of Precision Manufacturing for Extreme Service Performance, Light Alloys Research Institute, Central South University, Changsha 410083, China
Interests: high rate forming; deformation mechanisms; multi-physics simulation; microstructure evolution
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Guest Editor
State Key Laboratory of Precision Manufacturing for Extreme Service Performance, Light Alloys Research Institute, Central South University, Changsha 410083, China
Interests: magnesium alloy; plastic forming; deformation mechanisms; microstructure evolution

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Guest Editor
School of Materials Science and Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
Interests: aluminium alloy; microstructure; fatigue properties; deformation mechanisms
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

With the urgent need for weight reduction in aerospace vehicles, lightweight structural materials with excellent mechanical properties, especially those represented by aluminum alloy, magnesium alloy, and titanium alloy, have become the focus of aerospace research. In recent years, many forming technologies have been developed to improve the performance of lightweight metal materials. This special issue covers these topics and focuses on the forming process, microstructure evolution, and service performance of lightweight metal materials.

For this Special Issue, we look forward to receiving submissions in any form, including review articles, regular research articles, and short communications. Both experimental and theoretical studies are of interest.

Dr. Xiaohui Cui
Dr. Yingchun Wan
Prof. Dr. Yuqiang Chen
Guest Editors

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Keywords

  • light alloys
  • material processing
  • microstructure evolution
  • mechanical properties

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Published Papers (1 paper)

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Research

18 pages, 51631 KiB  
Article
Effect of Corrosion Environment on Mechanical Behavior of 5083/6005A Welded Joints
by Hailiang Wu, Yuqiang Chen, Dingding Lu and Guanqiang He
Metals 2024, 14(8), 925; https://doi.org/10.3390/met14080925 - 15 Aug 2024
Viewed by 610
Abstract
The corrosion fatigue behavior of welded joints is a critical concern in the transportation industry, which shortens their service life. In this paper, the corrosion damage of 5083/6005A welded joints exposed to different conditions (3.5% NaCl + 0.01 mol/L NaHSO3, 3.5% [...] Read more.
The corrosion fatigue behavior of welded joints is a critical concern in the transportation industry, which shortens their service life. In this paper, the corrosion damage of 5083/6005A welded joints exposed to different conditions (3.5% NaCl + 0.01 mol/L NaHSO3, 3.5% NaCl, 0.6 mol/L NaHSO3, and 3.5% NaCl + 0.01 mol/L NaHSO3-75 MPa) was investigated by using tensile and fatigue tests, polarization curves, scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy (XPS). The findings indicate that elongation and fatigue life were most adversely affected by exposure to 3.5% NaCl + 0.01 mol/L NaHSO3-75 MPa. This was followed by the exposure to 3.5% NaCl + 0.01 mol/L NaHSO3, then 3.5% NaCl, with the mildest effects observed under 0.6 mol/L NaHSO3. The corrosion mechanisms were elucidated and the corrosion model was established through the analysis of corrosion morphologies and corrosion products. The corrosion fatigue fracture model was developed by analyzing the fracture surfaces. These findings provide references for preventing the corrosion-fatigue fractures of 5083/6005A welded joints, extending their service life, and enhancing the operational safety and reliability of trains. Full article
(This article belongs to the Special Issue Forming and Properties of Lightweight Alloys)
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