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Metals
Special Issues
Processing and Mechanical Behavior in Lightweight Metallic Alloys
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Processing and Mechanical Behavior in Lightweight Metallic Alloys

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Biobased and Biodegradable Metals".

Deadline for manuscript submissions: closed (30 September 2020) | Viewed by 5196

Special Issue Editor

Dr. Ali M. Nasiri

E-Mail Website
Guest Editor
Department of Mechanical Engineering, Dalhousie University, 1360 Barrington St, Halifax, NS B3H 4R2, Canada
Interests: metal additive manufacturing; multi-scale materials characterization; corrosion; mechanical properties
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

With the goal of reducing gas consumption and, subsequently, achieving lower greenhouse gas emissions, the use of lightweight metallic materials has been growing drastically in many industries, including the automotive, aerospace, marine, energy, chemical processing, and medical industries. This has resulted in substantial attention being given by both the research communities and industry toward innovative processing routes for the manufacturing of lightweight metallic alloys and their inherent properties and performance. The accelerated adoption of such lightweight metallic systems for structural applications demands an in-depth understanding of the impact of processing routes on the resultant properties of the fabricated components, among which the mechanical properties are highly crucial from the perspective of performance.

This Special Issue aims to disseminate the recent innovations pertinent to the processing of lightweight metallic alloys. In particular, various manufacturing processes, i.e., additive manufacturing, casting, forming, and welding and joining, along with post-fabrication processing techniques such as surface modifications and coatings, thermal treatments, and thermomechanical processing are considered. Of particular interest to this Special Issue are original and rigorous articles that target microstructure–mechanical properties–performance correlations in lightweight metallic materials, including aluminum alloys, magnesium alloys, and titanium alloys, among others.

Prof. Ali M. Nasiri
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Metals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • lightweight metals
  • manufacturing processes
  • additive manufacturing
  • casting
  • forming
  • welding
  • post-fabrication processing
  • surface treatments
  • mechanical properties
  • microstructure
  • performance

Published Papers (2 papers)

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Research

11 pages, 10399 KiB  
Article
Effect of Multi-Pass Caliber Rolling on Dilute Extruded Mg-Bi-Ca Alloy
by Shuaiju Meng, Hui Yu, Haisheng Han, Jianhang Feng, Lixin Huang, Lishan Dong, Xiaolong Nan, Zhongjie Li, Sung Hyuk Park and Weimin Zhao
Metals 2020, 10(3), 332; https://doi.org/10.3390/met10030332 - 02 Mar 2020
Cited by 3 | Viewed by 2230
Abstract
A Mg-1.32Bi-0.72Ca (BX11) alloy having bimodal grain structure was successfully prepared by a novel processing route of combining extrusion and three-pass caliber rolling. The first extruded and then caliber-rolled (E-CRed) alloy demonstrates a necklace-like grain structure with ultrafine grains formed around the microscale [...] Read more.
A Mg-1.32Bi-0.72Ca (BX11) alloy having bimodal grain structure was successfully prepared by a novel processing route of combining extrusion and three-pass caliber rolling. The first extruded and then caliber-rolled (E-CRed) alloy demonstrates a necklace-like grain structure with ultrafine grains formed around the microscale deformed grains, which is remarkably different from the uniform microstructure of the as-extruded alloy. In addition, the E-CRed BX11 alloy exhibits strong basal texture which is mainly original from the microscale deformed grains. Furthermore, the E-CRed BX11 alloy demonstrates excellent comprehensive mechanical properties, with an ultra-high yield strength of 351 MPa and a good elongation to failure of 13.2%. The significant strength improvement can be mainly attributed to the significant grain refinement and much stronger basal texture compared with the as-extruded sample. Full article
(This article belongs to the Special Issue Processing and Mechanical Behavior in Lightweight Metallic Alloys)
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12 pages, 4690 KiB  
Article
Synthesis and Characterization of Hollow Glass Sphere Containing Aluminum Syntactic Foam by Spark Plasma Sintering and Hot Pressing
by Yong Guk Son, Young Cheol Lee, Sung Su Jung, Han Sang Kwon, Wookjin Lee and Yongho Park
Metals 2019, 9(12), 1266; https://doi.org/10.3390/met9121266 - 27 Nov 2019
Cited by 4 | Viewed by 2675
Abstract
The effect of sintering process on the microstructure and the mechanical properties of aluminum syntactic foam were investigated in this study. Two different sintering processes of spark plasma sintering and hot pressing were used. Glass hollow spheres with a size of 50–80 μm [...] Read more.
The effect of sintering process on the microstructure and the mechanical properties of aluminum syntactic foam were investigated in this study. Two different sintering processes of spark plasma sintering and hot pressing were used. Glass hollow spheres with a size of 50–80 μm was used to fabricate the foams having various volume fractions of the spheres in the range of 10–30%. Microstructural analysis revealed that the glass hollow spheres were uniformly distributed in the aluminum matrix, both in the spark plasma sintered and hot pressed ones. As the volume fraction of the spheres increased from 10 to 30%, the density, micro-hardness and compressive strength of the foams were decreased. In comparison to the foams fabricated by hot pressing method, the spark plasma sintered foams had slightly lower density and mechanical strength. In nanoindentation study, it was found that the aluminum matrix in the foam prepared by the spark plasma sintering process had lower strength than foam prepared by the hot pressing process. This is likely because of shorter sintering time used in the spark plasma sintering process than the hot pressing. Full article
(This article belongs to the Special Issue Processing and Mechanical Behavior in Lightweight Metallic Alloys)
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