Heat Treatment and Forming of Magnesium and Aluminum Alloys

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metal Casting, Forming and Heat Treatment".

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 2634

Special Issue Editors


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Guest Editor
The Institute of Technological Sciences, Wuhan University, Wuhan 430071, China
Interests: hybrid additive manufacturing; 4d printing; material design; microstructural characterization; performance evaluation; strengthening-toughening of metals and alloys

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Guest Editor
Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: additive manufacturing technology (3D printing); laser processing technology; interactions of laser with materials; laser prepared new materials
School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
Interests: additive manufacturing; metallurgy; solidification; material characterization
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Special Issue Information

Dear Colleagues,

Recently, the increased environmental concerns and the rising costs of oil have again made Magnesium and Aluminum alloys the material of interest for many industrial fields, such as automobile, aerospace, railway, shipbuilding and marine, because of their low density, high specific strength, superior mechanical and physical properties, as well as processability and recyclability. Since the forming of the microstructure depends on the specific of the forming methods, which directly affects further mechanical and physical properties of the material, it is important to understand how to control the microstructure forming of the Magnesium and Aluminum Alloys by forming methods and heat treatment. Therefore, this Special Issue aims to present the latest research related to heat treatment and forming of Magnesium and Aluminum Alloys, including alloy casting, extrusion and deformation, joining and machining, additive manufacturing, heat treatment, microstructure evolution and mechanical properties.

Dr. Jingjing Yang
Prof. Dr. Zemin Wang
Dr. Zhiheng Hu
Guest Editors

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Keywords

  • magnesium alloys
  • aluminum alloys
  • heat treatment
  • casting
  • additive manufacturing
  • joining
  • deformation
  • machining
  • microstructure evolution
  • mechanical properties

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Published Papers (1 paper)

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Research

11 pages, 9170 KiB  
Article
Weld Formation, Microstructure Evolution and Mechanical Property of Laser-Arc Hybrid Welded AZ31B Magnesium Alloy
by Sibo Wang, Chunyan Yan and Zhengjia Gu
Metals 2022, 12(4), 696; https://doi.org/10.3390/met12040696 - 18 Apr 2022
Cited by 6 | Viewed by 2073
Abstract
Laser-arc hybrid welding of AZ31B magnesium alloy was carried out in this paper, and the effects of welding parameters (laser power, welding speed, welding current) on weld formation, microstructure evolution and mechanical property were studied. The results showed that laser-arc hybrid welding can [...] Read more.
Laser-arc hybrid welding of AZ31B magnesium alloy was carried out in this paper, and the effects of welding parameters (laser power, welding speed, welding current) on weld formation, microstructure evolution and mechanical property were studied. The results showed that laser-arc hybrid welding can inhibit the undercut defect during laser welding on the one hand, and enhance the arc stability on the other hand. The penetration depth and width showed no significant relation with the total heat input, but were linear related to the laser heat input and the arc heat input, respectively. The average grain size of the equiaxed grains was closely related to the heat input. The higher the heat input was, the larger the grains. The optimized welding parameters were laser power of 3.5 kW, welding speed of 1.8 m/min and welding current of 100 A. In this case, the weld was free of undercut and pores, and the tensile strength and elongation rate reached 190 MPa and 12%, respectively. Full article
(This article belongs to the Special Issue Heat Treatment and Forming of Magnesium and Aluminum Alloys)
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