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Porous Materials and Advanced Manufacturing Technologies (2nd Edition)
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Porous Materials and Advanced Manufacturing Technologies (2nd Edition)

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

Deadline for manuscript submissions: 20 May 2025 | Viewed by 3543

Special Issue Editor

Dr. Hamada Elsayed

E-Mail Website
Guest Editor
Department of Industrial Engineering, University of Padova, Padova, Italy
Interests: additive manufacturing; novel processing routes; engineering design of porous glasses and ceramics for functional and structural applications
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Porous materials are fundamental in a wide range of applications (e.g., catalysis, adsorption separation, sensing, drug delivery, biomedicine, energy production, energy storage systems, thermal and acoustic insulators). Therefore, they have garnered the attention of both industry and academia and have been the subject of intensive research in recent years. In terms of composition, porous materials can be inorganic, organic, or inorganic–organic composite materials (ceramics, glasses, metals, polymers, and their composites). In addition, recent advances in porous materials include the development of materials and shaping in the desired porous shapes. Moreover, tailoring specific types of porosity, pore size, total porosity and pore wall surface chemistry of porous materials are of scientific and technological importance.

Given the significant research interest and importance of porous materials, this Special Issue of Materials on “Porous Materials and Advanced Manufacturing Technologies (2nd Edition)” will aim at the rapid publication of high-quality, peer-reviewed papers on the synthesis, processing, characterization, and evaluation of porous materials, as well as the wide range of types and applications of porous materials. Additionally, special emphasis will be devoted to new fabrication methods, new properties, and new applications of porous materials, and their impact on many different technologies.

This Special Issue aims to cover research of relevance on, but not limited to, the following themes:

  • Innovative porous materials (inorganic, organic, and hybrids);
  • Fabrication, characterization, functionalization, and use of porous materials in different applications;
  • Advanced manufacturing approaches and processing, including additive manufacturing techniques of porous materials;
  • New characterization methods and approaches, such as 3D imaging and reconstruction;
  • Simulation/optimization properties of porous materials.

We cordially invite you to submit original research, communications and reviews to this edition of our Special Issue.

Dr. Hamada Elsayed
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. 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

  • porous materials
  • porous ceramics
  • porous metals
  • porous polymers
  • porosity
  • novel processing and manufacturing techniques
  • additive manufacturing 3D printing techniques

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Published Papers (3 papers)

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Research

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12 pages, 5555 KiB  
Article
Fabrication of Two-Layer Aluminum Foam Consisting of Dissimilar Aluminum Alloys Using Optical Heating
by Yoshihiko Hangai, Tatsuki Takagi, Yu Goto and Kenji Amagai
Materials 2024, 17(4), 894; https://doi.org/10.3390/ma17040894 - 15 Feb 2024
Viewed by 888
Abstract
Aluminum foam is a lightweight material and has excellent shock-absorbing properties. Various properties of aluminum foam can be obtained by changing the base aluminum alloy. Multi-layer aluminum foam can be fabricated by varying the alloy type of the base aluminum alloy, but with [...] Read more.
Aluminum foam is a lightweight material and has excellent shock-absorbing properties. Various properties of aluminum foam can be obtained by changing the base aluminum alloy. Multi-layer aluminum foam can be fabricated by varying the alloy type of the base aluminum alloy, but with different foaming temperatures, within a single aluminum foam to achieve multiple properties. In this study, we attempted to fabricate a two-layer aluminum foam with the upper layer of a commercially pure aluminum A1050 foam and the lower layer of an Al-Si-Cu aluminum alloy ADC12 foam by using an optical heating device that can heat from both the upper and lower sides. Two types of heating methods were investigated. One is to directly stack the A1050 precursor coated with black toner on top of the ADC12 precursor and to foam it from the top and bottom by optical heating. The other is to place a wire mesh between the ADC12 precursor and the A1050 precursor and place the A1050 precursor on the wire mesh, thereby creating a space between the precursors, which is then foamed by optical heating from the top and bottom. It was shown that both precursors can be foamed and joined, and a two-layer A1050/ADC12 foam can be fabricated for both types of heating methods. In the method in which two precursors were stacked and foamed, even if the light intensity of the halogen lamps on the top and bottom were adjusted, heat conduction occurred between the stacked precursors, and the foaming of each precursor could not be controlled, resulting in tilting of the joining interface. In the method of foaming using a wire mesh with a gap between two precursors, it was found that by adjusting the light intensity, the two precursors can be foamed almost simultaneously and achieve similar pore structures. The joining interface can also be maintained horizontally. Full article
(This article belongs to the Special Issue Porous Materials and Advanced Manufacturing Technologies (2nd Edition))
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Review

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24 pages, 2594 KiB  
Review
3D-Printed Lithium-Ion Battery Electrodes: A Brief Review of Three Key Fabrication Techniques
by Alexander A. Pavlovskii, Konstantin Pushnitsa, Alexandra Kosenko, Pavel Novikov and Anatoliy A. Popovich
Materials 2024, 17(23), 5904; https://doi.org/10.3390/ma17235904 - 2 Dec 2024
Viewed by 451
Abstract
In recent years, 3D printing has emerged as a promising technology in energy storage, particularly for the fabrication of Li-ion battery electrodes. This innovative manufacturing method offers significant material composition and electrode structure flexibility, enabling more complex and efficient designs. While traditional Li-ion [...] Read more.
In recent years, 3D printing has emerged as a promising technology in energy storage, particularly for the fabrication of Li-ion battery electrodes. This innovative manufacturing method offers significant material composition and electrode structure flexibility, enabling more complex and efficient designs. While traditional Li-ion battery fabrication methods are well-established, 3D printing opens up new possibilities for enhancing battery performance by allowing for tailored geometries, efficient material usage, and integrating multifunctional components. This article examines three key 3D printing methods for fabricating Li-ion battery electrodes: (1) material extrusion (ME), which encompasses two subcategories—fused deposition modeling (FDM), also referred to as fused filament fabrication (FFF), and direct ink writing (DIW); (2) material jetting (MJ), including inkjet printing (IJP) and aerosol jet printing (AJP) methods; and (3) vat photopolymerization (VAT-P), which includes the stereolithographic apparatus (SLA) subcategory. These methods have been applied in fabricating substrates, thin-film electrodes, and electrolytes for half-cell and full-cell Li-ion batteries. This discussion focuses on their strengths, limitations, and potential advancements for energy storage applications. Full article
(This article belongs to the Special Issue Porous Materials and Advanced Manufacturing Technologies (2nd Edition))
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26 pages, 10114 KiB  
Review
Waste Glass Upcycling Supported by Alkali Activation: An Overview
by Muhammad Jamshaid Zafar, Hamada Elsayed and Enrico Bernardo
Materials 2024, 17(9), 2169; https://doi.org/10.3390/ma17092169 - 6 May 2024
Cited by 1 | Viewed by 1592
Abstract
Alkali-activated materials are gaining much interest due to their outstanding performance, including their great resistance to chemical corrosion, good thermal characteristics, and ability to valorise industrial waste materials. Reusing waste glasses in creating alkali-activated materials appears to be a viable option for more [...] Read more.
Alkali-activated materials are gaining much interest due to their outstanding performance, including their great resistance to chemical corrosion, good thermal characteristics, and ability to valorise industrial waste materials. Reusing waste glasses in creating alkali-activated materials appears to be a viable option for more effective solid waste utilisation and lower-cost products. However, very little research has been conducted on the suitability of waste glass as a prime precursor for alkali activation. This study examines the reuse of seven different types of waste glasses in the creation of geopolymeric and cementitious concretes as sustainable building materials, focusing in particular on how using waste glasses as the raw material in alkali-activated materials affects the durability, microstructures, hydration products, and fresh and hardened properties in comparison with using traditional raw materials. The impacts of several vital parameters, including the employment of a chemical activator, gel formation, post-fabrication curing procedures, and the distribution of source materials, are carefully considered. This review will offer insight into an in-depth understanding of the manufacturing and performance in promising applications of alkali-activated waste glass in light of future uses. The current study aims to provide a contemporary review of the chemical and structural properties of glasses and the state of research on the utilisation of waste glasses in the creation of alkali-activated materials. Full article
(This article belongs to the Special Issue Porous Materials and Advanced Manufacturing Technologies (2nd Edition))
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