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Advances in Welding of Aluminum Matrix Composites
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Advances in Welding of Aluminum Matrix Composites

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Composites".

Deadline for manuscript submissions: closed (20 November 2022) | Viewed by 2907

Special Issue Editors

Dr. Cheng Gu

E-Mail Website
Guest Editor
College of Materials Science and Engineering, Chongqing University, Chongqing, China
Interests: welding; microstructure; solidification; Al alloy; simulation; cellular automaton
Special Issues, Collections and Topics in MDPI journals
Dr. Guangjie Feng

E-Mail Website
Guest Editor
College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China
Interests: new material and dissimilar material joining; numerical simulation; residual stress; combustion synthesis
Special Issues, Collections and Topics in MDPI journals
Dr. Gaoyang Mi

E-Mail Website
Guest Editor
College of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, China
Interests: welding; microstructure; solidification; Al alloy; aluminum matrix composites
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Aluminum matrix composites, as a new kind of material, are characterized by low density, high specific strength, high specific modules, resistance to high temperatures, resistance to radiation, and good dimensional stability. Therefore, they have been widely applied in the fields of aerospace, aviation, and automobile manufacturing and have become the main subject of interest in the research and development of metal matrix composites. However, due to the special organization structure of aluminum matrix composites, such as the big difference of physical properties between basic material and reinforced particles, high-strength welding joints have been difficult to obtain. The poor weldability of aluminum matrix composites is the most serious problem. Research has been concentrated on different welding characteristics of aluminum matrix composites, and the acquisition of high-strength welding joints will be the most important criterion for their wider applications. The goal of this Special Issue is to describe recent developments in this developing research field. Therefore, we invite you to submit manuscripts for this Special Issue. Full papers, communications, and reviews are all welcome.

Dr. Cheng Gu
Dr. Guangjie Feng
Dr. Gaoyang Mi
Guest Editors

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

  • welding
  • aluminum matrix composites
  • solidification
  • molten pool
  • metallurgical bonding
  • microstructure
  • fluid flow
  • interface
  • welding joints

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Published Papers (3 papers)

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Editorial

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1 pages, 160 KiB  
Editorial
Advances in the Welding of Aluminum Matrix Composites: A New Open Special Issue in Materials
by Cheng Gu, Guangjie Feng and Gaoyang Mi
Materials 2022, 15(15), 5335; https://doi.org/10.3390/ma15155335 - 3 Aug 2022
Cited by 1 | Viewed by 1356
Abstract
“Advances in the Welding of Aluminum Matrix Composites” is a new open Special Issue of Materials that aims to publish original research and review papers on new scientific and applied research and to make great contributions to advances in the field of welding [...] Read more.
“Advances in the Welding of Aluminum Matrix Composites” is a new open Special Issue of Materials that aims to publish original research and review papers on new scientific and applied research and to make great contributions to advances in the field of welding aluminum matrix composites as well as to the related synthesis, fundamentals, characterization, and application of these materials [...] Full article
(This article belongs to the Special Issue Advances in Welding of Aluminum Matrix Composites)

Research

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22 pages, 7801 KiB  
Article
Effect of Step Size on the Formability of Al/Cu Bimetallic Sheets in Single Point Incremental Sheet Forming
by Krzysztof Żaba, Sandra Puchlerska, Łukasz Kuczek, Tomasz Trzepieciński and Piotr Maj
Materials 2023, 16(1), 367; https://doi.org/10.3390/ma16010367 - 30 Dec 2022
Cited by 12 | Viewed by 2323
Abstract
Single Point Incremental Forming (SPIF) is an unconventional forming process that is suitable for prototype production and small lot production due to the economical tooling cost, short lead time, and the ability to create symmetrical and asymmetrical complex geometries without the use of [...] Read more.
Single Point Incremental Forming (SPIF) is an unconventional forming process that is suitable for prototype production and small lot production due to the economical tooling cost, short lead time, and the ability to create symmetrical and asymmetrical complex geometries without the use of expensive dies. This article presents the effect of the step size Δz of a forming tool made of 145Cr6 tool steel on the formability and maximum forming angle, mechanical properties, hardness, surface roughness, microstructure and texture of bimetallic Al/Cu sheets. Experiments were conducted at a constant rotational speed and feed rate, with the use of rapeseed oil as a lubricant. The tests were carried out with the use of a forming tool on both sides of the bimetallic sheet. The shape and dimensions of the formed elements are determined by non-contact optical 3D scanning. It has been proved that an increase in the step size Δz affects the deterioration of the surface quality of the specimens (an increase in the Ra parameter from 0.2 μm to approximately 3 μm for the step size of 1.2 mm), while a small step size down Δz favours the geometric stability of the samples. With increasing step size (at Δx = Δy = const.), the drawpiece wall continually thinned until the material fractured. Based on the results, it was shown that increasing the step size Δz over 1.1 mm causes cracking of the drawpieces. Furthermore, greater thinning of the Al/Cu sheet was observed in the range of step size Δz between 0.7 and 1.0 mm for aluminum side and step size Δz ≤ 0.6 mm and Δz ≥ 1.1 mm for copper side. It was also found that the mechanical properties of the bimetal sheet decreased as a result of incremental forming. The greatest decrease in strength and ductility was recorded for a pitch of 1.2 mm. Strength decreased from 230 MPa (for sheet in initial state) to approximately 80 MPa, elongation from 12% to approximately 8.5%, and hardness from 120 HV10 for Cu and 60 HV10 for Al to approximately 30 HV10 for both layers. Full article
(This article belongs to the Special Issue Advances in Welding of Aluminum Matrix Composites)
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11 pages, 4525 KiB  
Article
Microstructure Evolution and Mechanical Properties of 20%SiCp/Al Joint Prepared via Laser Welding
by Fei Li, Yiming Jiang, Gaoyang Mi, Mingyang Zhang and Chunming Wang
Materials 2022, 15(17), 6046; https://doi.org/10.3390/ma15176046 - 1 Sep 2022
Cited by 4 | Viewed by 1860
Abstract
SiC particles-reinforced Al matrix composites (SiCp/AMCs) have been widely used in the aerospace structural components. In this work, 20 vol% SiCp/2A14 joint was fabricated by laser welding technology. The effects of different laser power/welding velocity on the 20 vol% [...] Read more.
SiC particles-reinforced Al matrix composites (SiCp/AMCs) have been widely used in the aerospace structural components. In this work, 20 vol% SiCp/2A14 joint was fabricated by laser welding technology. The effects of different laser power/welding velocity on the 20 vol% SiCp/2A14 joint forming, microstructure evolution and mechanical properties were studied in detail. The results showed that, under the same heat input, the high power/high welding velocity was beneficial to reduce the porosity of SiCp/2A14 joint and inhibited the formation of brittle phase of Al4C3. At 8 kW-133 mm/s welding parameters, the maximum tensile strength of the SiCp/2A14 joint reached 199 MPa, which is ~64% higher than that of the SiCp/2A14 joint prepared at 4 kW-66 mm/s welding parameters. By analyzing the fracture morphology and SEM image of SiCp/2A14 joint section, it is was found that the porosity of weld and Al4C3 brittle phase were the important factors limiting the strength of SiCp/2A14 joint. This work provides a reference for the process window design of laser welding SiCp/2A14 composites. Full article
(This article belongs to the Special Issue Advances in Welding of Aluminum Matrix Composites)
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