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Advances in Porous Lightweight Materials and Lattice Structures
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Advances in Porous Lightweight Materials and Lattice Structures

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

Deadline for manuscript submissions: 20 June 2025 | Viewed by 2896

Special Issue Editors

Dr. Girolamo Costanza

E-Mail Website
Guest Editor
Department of Industrial Engineering, University of Rome Tor Vergata, Via del Politecnico, 1 00133 Rome, Italy
Interests: shape memory alloys; sensor and actuators; light-weight alloys; materials characterization; mechanical testing; welding; plastic deformation; porous materials; metal matrix composites; metal foams; aluminum alloys
Special Issues, Collections and Topics in MDPI journals
Dr. Maria Elisa Tata

E-Mail Website
Guest Editor
Department of Civil Engineering and Computer Science, University of Rome Tor Vergata, Via del Politecnico, 1 00133 Rome, Italy
Interests: shape memory alloys; sensor and actuators; light-weight alloys; materials characterization; mechanical testing; welding; plastic deformation; porous materials; metal matrix composites; metal foams; aluminum alloys
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are delighted to organize a Special Issue focused on porous lightweight materials and lattice structures. The energy-saving, emission reduction, and structural and functional properties of these kinds of materials have attracted increasing interest in recent years. High energy absorption in static and dynamic compression, an increased noise absorption capability, a high stiffness-to-weight ratio, and increased functional properties can be achieved through advanced processing technologies.

This Special Issue invites the submission of papers related to porous materials and their applications in many fields.

Contributions from academic and applied researchers related (but not limited) to the following topics regarding porous materials and lattice structures are strongly encouraged:

  • Synthesis and fabrication;
  • Novel processing technologies;
  • New developments and applications;
  • Experimental characterization;
  • Mechanical properties;
  • Simulation

Full papers, communications, and reviews are all welcome.

Dr. Girolamo Costanza
Dr. Maria Elisa Tata
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

  • porous materials
  • lightweight materials
  • lattice structures
  • functional properties
  • structural applications
  • new developments

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (3 papers)

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Research

19 pages, 12564 KiB  
Article
Compressive Properties of Composite Sandwich Structure with Fractal Tree-Inspired Lattice Core
by Jian Han, Xin Ma, Rui Yang and Shiyong Sun
Materials 2025, 18(3), 606; https://doi.org/10.3390/ma18030606 - 29 Jan 2025
Viewed by 921
Abstract
A novel sandwich structure of a fractal tree-like lattice (SSFL) is proposed. The geometry characteristics were constructed based on the fractal tree-like patterns found in many biological structures, such as giant water lilies and dragon blood trees. The compressive performance of the proposed [...] Read more.
A novel sandwich structure of a fractal tree-like lattice (SSFL) is proposed. The geometry characteristics were constructed based on the fractal tree-like patterns found in many biological structures, such as giant water lilies and dragon blood trees. The compressive performance of the proposed structures with different fractal orders was experimentally and numerically investigated. The experimental samples were made by 3D printing technology. Axial compression tests were conducted to study the compressive performance and failure mode of the SSFLs. The results indicated that the new structure was good at multiple bearing and energy absorption. The finite element method (FEM) was performed to investigate the influence of geometry parameters on the compression behaviors of the SSFLs. The findings of this study provide an effective guide for using the fractal method to design lattice structures with a high bearing capacity. Full article
(This article belongs to the Special Issue Advances in Porous Lightweight Materials and Lattice Structures)
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13 pages, 4962 KiB  
Article
Production of Al Alloys with Kelvin Cells Using the Lost-PLA Technique and Their Mechanical Characterization via Compression Tests
by Alessandra Ceci, Corrado Cerini, Girolamo Costanza and Maria Elisa Tata
Materials 2025, 18(2), 296; https://doi.org/10.3390/ma18020296 - 10 Jan 2025
Cited by 1 | Viewed by 617
Abstract
The mechanical behavior of AA6082 Kelvin cell foams under compressive tests has been investigated in this work. The lost-PLA replication technique, a simple and cheap technique, has been adopted as the production method. Six Al alloy samples have been made and successively subjected [...] Read more.
The mechanical behavior of AA6082 Kelvin cell foams under compressive tests has been investigated in this work. The lost-PLA replication technique, a simple and cheap technique, has been adopted as the production method. Six Al alloy samples have been made and successively subjected to compressive tests in order to examine the mechanical response and the repeatability too. The manufactured foams show good morphology and surface finishing, replicating the PLA 3D-printed foams with adequate accuracy. The experimental density of the foam has been found in good agreement with the theoretical one. When subjected to static compression, the Kelvin cell foams exhibit a load–strain diagram characterized by the initial linear stage followed by two plateaus at successively increasing load levels. Final densification occurs when there is no more space available for further plastic deformation and the load sharply increases. The specific absorbed energy has been calculated from load–strain curves: the average measured value was found to be 2.3 J/cm3, and standard deviation in the six compression tests was 0.3 J/cm3. Full article
(This article belongs to the Special Issue Advances in Porous Lightweight Materials and Lattice Structures)
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10 pages, 2464 KiB  
Article
Biocompatibility Evaluation of an Artificial Metallic Bone with Lattice Structure for Reconstruction of Bone Defect
by Erika Yasuge, Tadashi Kawai, Shinsuke Kawamata, Isao Hoshi, Tadaharu Minamino, Shingo Kurosu and Hiroyuki Yamada
Materials 2024, 17(17), 4286; https://doi.org/10.3390/ma17174286 - 29 Aug 2024
Cited by 1 | Viewed by 912
Abstract
Mandibular reconstruction for large bone defects is performed with consideration of patients’ specific morphology and sufficient strength. Metal additive manufacturing techniques have been used to develop biomaterials for mandibular reconstruction. Titanium artificial mandibles with a lattice structure have been proposed, and the optimal [...] Read more.
Mandibular reconstruction for large bone defects is performed with consideration of patients’ specific morphology and sufficient strength. Metal additive manufacturing techniques have been used to develop biomaterials for mandibular reconstruction. Titanium artificial mandibles with a lattice structure have been proposed, and the optimal conditions for their strength to withstand mechanical stress around the mandible have been reported. This study investigated the biocompatibility of a titanium artificial bone with a lattice structure fabricated under optimal conditions. The samples were fabricated using metal additive manufacturing. Body diagonals with nodes (BDN) were selected as suitable lattice structures. Dode medium (DM) was selected for comparison. The samples were implanted into rabbit tibial defects and resected with the surrounding bone at two and four weeks. Specimens were evaluated radiographically, histologically, and histomorphometrically. Radiopacity in each lattice structure was observed at two and four weeks. Histological evaluation showed trabecular bone-like tissue inside the BDN compared to the DM at four weeks. No significant differences were noted in the bone volume inside the structures. This study demonstrated the in vivo compatibility of artificial metallic bones with a BDN structure under mechanical stress conditions. Full article
(This article belongs to the Special Issue Advances in Porous Lightweight Materials and Lattice Structures)
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