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Research on Enhancing Properties of Aluminum-Based Materials
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Research on Enhancing Properties of Aluminum-Based Materials

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

Deadline for manuscript submissions: 20 September 2024 | Viewed by 1692

Special Issue Editors

Prof. Dr. Longtao Jiang

E-Mail Website
Guest Editor
Harbin Institute of Technology, Harbin, China
Interests: aluminum matrix composite; microstructure characterization; microstructure and properties; light alloys; strengthening and toughening mechanism; functionally gradient materials
Dr. Zhenlong Chao

E-Mail Website
Guest Editor Assistant
School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
Interests: aluminum matrix composite; dynamic mechanical behavior; biomimetic materials; strengthening and toughening mechanism; ballistic performance; light alloys

Special Issue Information

Dear Colleagues,

The aluminum matrix composites (AMCs) have raised an enormous concern during the past several decades due to the corresponding high specific strength, high specific modulus, excellent dimensional stability, good wear resistance, etc. AMCs have broad application prospects in aerospace, electronic packaging, automobile, armor protection and other fields. How to improve the mechanical and functional properties of aluminum matrix composites through material design, microstructure control, and high-quality preparation is a crucial issue. For this reason, the present Special Issue “Research on Enhancing Properties of Aluminum-Based Materials” is proposed. This Special Issue aims to collect excellent studies on aluminum matrix composites from around the world, including but not limited to the preparation process, heat treatment, microstructure control and design, mechanical performance, microstructure characterization, electrical conductivity, thermal conductivity, ballistic performance, precipitate phase, interfaces, TEM, SEM, XRD and EBSD.

Prof. Dr. Longtao Jiang
Guest Editor
Dr. Zhenlong Chao
Guest Editor Assistant

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. Materials is an international peer-reviewed open access semimonthly 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

  • aluminum matrix composites
  • preparation process
  • heat treatment
  • microstructure control and design
  • mechanical performance
  • electrical conductivity
  • thermal conductivity
  • precipitate phase
  • microstructure characterization
  • strengthening and toughening mechanism

Published Papers (2 papers)

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Research

16 pages, 10969 KiB  
Article
Effect of Continuous Casting and Heat Treatment Parameters on the Microstructure and Mechanical Properties of Recycled EN AW-2007 Alloy
by Grażyna Mrówka-Nowotnik, Grzegorz Boczkal and Andrzej Nowotnik
Materials 2024, 17(14), 3447; https://doi.org/10.3390/ma17143447 - 12 Jul 2024
Viewed by 217
Abstract
The growing use of aluminum and its compounds has increased the volume of aluminum waste. To mitigate environmental impacts and cut down on manufacturing expenses, extensive investigations have recently been undertaken to recycle aluminum compounds. This paper outlines the outcomes of a study [...] Read more.
The growing use of aluminum and its compounds has increased the volume of aluminum waste. To mitigate environmental impacts and cut down on manufacturing expenses, extensive investigations have recently been undertaken to recycle aluminum compounds. This paper outlines the outcomes of a study on fabricating standard EN AW-2007 alloy using industrial and secondary scrap through continuous casting. The resultant recycled bars were analyzed for their chemical makeup and examined for microstructural features in both the cast and T4 states, undergoing mechanical property evaluations. The study identified several phases in the cast form through LM, SEM + EDS, and XRD techniques: Al7Cu2Fe, θ-Al2Cu, β-Mg2Si, Q-Al4Cu2Mg8Si7, and α-Al15(FeMn)3 (SiCu)2, along with Pb particles. Most primary intermetallic precipitates such as θ-Al2Cu, β-Mg2Si, and Q-Al4Cu2Mg8Si7 dissolved into the α-Al solid solution during the solution heat treatment. In the subsequent natural aging process, the θ-Al2Cu phase predominantly emerged as a finely dispersed hardening phase. The peak hardness achieved in the EN AW-2007 alloy was 124.8 HB, following a solution heat treatment at 500 °C and aging at 25 °C for 80 h. The static tensile test assessed the mechanical and ductility properties of the EN AW-2007 alloy in both the cast and T4 heat-treated states. Superior strength parameters were achieved after solution heat treatment at 500 °C for 6 h, followed by water quenching and natural aging at 25 °C/9 h, with a tensile strength of 435.0 MPa, a yield strength of 240.5 MPa, and an appreciable elongation of 18.1% at break. The findings demonstrate the feasibility of producing defect-free EN AW-2007 alloy ingots with excellent mechanical properties from recycled scrap using the continuous casting technique. Full article
(This article belongs to the Special Issue Research on Enhancing Properties of Aluminum-Based Materials)
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19 pages, 15973 KiB  
Article
Influence of Interface on Mechanical Behavior of Al-B4C/Al Laminated Composites under Quasi-Static and Impact Loading
by Runwei Zhang, Zhenlong Chao, Longtao Jiang, Huimin Han, Bingzhuo Han, Shanqi Du, Tian Luo, Guoqin Chen, Yong Mei and Gaohui Wu
Materials 2023, 16(21), 6847; https://doi.org/10.3390/ma16216847 - 25 Oct 2023
Viewed by 949
Abstract
In this study, Al-B4C/Al laminated composites with high interlayer bonding strength were fabricated by integrated hot-pressed sintering accompanied with hot rolling. The mechanical properties and interface behavior of the Al-B4C/Al laminated composites were investigated under quasi-static and impact loading. [...] Read more.
In this study, Al-B4C/Al laminated composites with high interlayer bonding strength were fabricated by integrated hot-pressed sintering accompanied with hot rolling. The mechanical properties and interface behavior of the Al-B4C/Al laminated composites were investigated under quasi-static and impact loading. The results show that the Al-B4C/Al laminated composites obtain a high interface bonding strength, because no interlayer delamination occurs even after fractures under quasi-static and impact loads. The Al-B4C/Al laminated composites exhibit a better comprehensive mechanical performance, and the fracture can be delayed due to the high bonding strength interface. Moreover, laminated composites can absorb more impact energy than the monolithic material under impact loading due to the stress transition and relaxation. Full article
(This article belongs to the Special Issue Research on Enhancing Properties of Aluminum-Based Materials)
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