Aluminum Alloys: Structures, Properties and Applications—2nd Edition

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 (30 December 2024) | Viewed by 1648

Special Issue Editors


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Guest Editor
Department of Physics, University of the Free State, Bloemfontein 9300, South Africa
Interests: alloy development; light metals; thermal analysis
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Co-Guest Editor
Department of Physics, University of the Free State, Bloemfontein 9300, South Africa
Interests: high temperature materials; aluminium alloys; corrosion

Special Issue Information

Dear Colleagues,

Different light-weight aluminum alloys and their structure, mechanical properties and applications will be discussed in this Special Issue. It will encompass papers showing new light-weight aluminum alloys, metal–matrix composites and corrosion-resistant materials. Aluminum has a low density of 2.7 g/cm3, and is a recyclable material with excellent electrical conductivity and thermal properties. As a result, aluminum is the material of choice when light-weighting and corrosion resistance are of paramount importance. Despite the crucial combinations of properties exhibited by aluminum and its alloys, aluminum has become an economical and broadly used material in most demanding engineering applications. Heat-treated and non-heat-treated alloys provide varying mechanical properties. Alloys are produced through a range of processes, including casting (gravity, tilt, sand, investment), forging, drawing, rolling etc. This Special Issue presents original research and review papers discussing aluminum alloys.

Dr. Amogelang Bolokang
Dr. Maria Ntsoaki Mathabathe
Guest Editors

Manuscript Submission Information

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Keywords

  • aluminum alloys
  • metal–matrix composites
  • mechanical properties
  • applications
  • review

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Published Papers (1 paper)

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Research

23 pages, 6122 KiB  
Article
Deep Drawability of Al-Mg Alloys Produced by Twin Roll Continuous Casting Method: Investigation of Microstructure and Mechanical Properties
by Koray Dündar, Ekrem Altuncu and Onur Birbaşar
Metals 2024, 14(12), 1365; https://doi.org/10.3390/met14121365 - 29 Nov 2024
Cited by 1 | Viewed by 1138
Abstract
This study explores the development of Al-Mg alloy sheets manufactured through the Twin Roll Continuous Casting (TRC) technique, with the goal of enhancing their mechanical properties via thermomechanical processing. TRC is a cost-effective and efficient method for producing thin sheets directly from molten [...] Read more.
This study explores the development of Al-Mg alloy sheets manufactured through the Twin Roll Continuous Casting (TRC) technique, with the goal of enhancing their mechanical properties via thermomechanical processing. TRC is a cost-effective and efficient method for producing thin sheets directly from molten metal, and this work focuses on the deep drawability of AA5182, AA5754, and AA5052 alloys, widely used in automotive, packaging, and aerospace applications. Improving deep drawability is crucial for meeting the stringent requirements of these industries. The alloys were designed according to EN 573-3 standards, and sheet castings were carried out at both laboratory and industrial scales. Microstructure evolution was analyzed at the as-cast and final thicknesses using optical microscopy. The sheets underwent cold rolling to a thickness of 1 mm, followed by final annealing, and their mechanical properties—including yield strength, tensile strength, elongation, and anisotropy—were evaluated. The deep drawability of the sheets was assessed using Erichsen cupping tests and earing mechanisms. To further understand failure mechanisms, fracture surface morphologies were examined using scanning electron microscopy (SEM), while energy-dispersive X-ray spectroscopy (EDS) was performed to analyze inclusions on fractured surfaces. The findings highlight the effectiveness of the TRC technique in producing high-performance Al-Mg sheets with mechanical properties comparable to or exceeding those of conventionally processed sheets. This study provides valuable insights into the optimization of alloy design and manufacturing methods, laying the groundwork for future advancements in TRC technology. Full article
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