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Lightweight and High-Strength Sandwich Panel (2nd Edition)
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Lightweight and High-Strength Sandwich Panel (2nd Edition)

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

Deadline for manuscript submissions: 20 September 2025 | Viewed by 285

Special Issue Editors

Prof. Dr. Yifeng Zhong

E-Mail Website
Guest Editor
School of Civil Engineering, Chongqing University, Chongqing 400044, China
Interests: metamaterials; auxetic; cellular structures; sandwich panel; truss lattice structures; mechanics
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Liming Chen

E-Mail Website
Guest Editor
College of Aerospace Engineering, Chongqing University, Chongqing 400030, China
Interests: mechanics of composite materials and structures; impact damage and failure of structures; mechanics of metamaterials and metastructures; functional integrated design of aerospace materials and structures
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The lightweight and high-strength sandwich panel has the advantages of high specific strength and specific stiffness properties, so it has good application prospects in the aerospace, shipbuilding, and construction industries. With the development of sandwich structure design and optimization, different core shapes appear and are applied in various engineering fields, such as honeycomb sandwich panels, lattice sandwich panels, foam sandwich panels, and so on. At the same time, the development of industry also requires the development of sandwich panel materials and processes, such as the emergence and production of fiber sandwich panels. This Special Issue is dedicated to the mechanical performances of lightweight sandwich panels. Topics of interest include (but are not limited to): experiments of lightweight and high-strength sandwich panels; mechanical analysis of lightweight and high-strength sandwich panels; numerical simulations of lightweight and high-strength sandwich panels; damage and failure of lightweight and high-strength sandwich panels; design and application of lightweight and high-strength sandwich panels; multiscale modeling of lightweight and high-strength sandwich panels; optimization of lightweight and high-strength sandwich panels. 

Prof. Dr. Yifeng Zhong
Prof. Dr. Liming Chen
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

  • multiscale modeling
  • damage and failure
  • design and application
  • experiments

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Published Papers (1 paper)

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Research

21 pages, 6572 KiB  
Article
Flexural Behavior of Lightweight Sandwich Panels with Rice Husk Bio-Aggregate Concrete Core and Sisal Fiber-Reinforced Foamed Cementitious Faces
by Daniele Oliveira Justo dos Santos, Paulo Roberto Lopes Lima and Romildo Dias Toledo Filho
Materials 2025, 18(8), 1850; https://doi.org/10.3390/ma18081850 - 17 Apr 2025
Viewed by 147
Abstract
The development of sustainable and energy-efficient construction materials is crucial for mitigating the growing environmental impact of the building sector. This study introduces a new lightweight sandwich panel, featuring a core made of lightweight concrete with rice husk bio-aggregate (RHB) and faces constructed [...] Read more.
The development of sustainable and energy-efficient construction materials is crucial for mitigating the growing environmental impact of the building sector. This study introduces a new lightweight sandwich panel, featuring a core made of lightweight concrete with rice husk bio-aggregate (RHB) and faces constructed from foamed cementitious composites. The innovative design aims to promote sustainability by utilizing agro-industrial waste while maintaining satisfactory mechanical performance. Composites were produced with 4% short sisal fibers and matrices containing 15%, 20%, and 30% foaming agent. These composites were evaluated for density, direct compression, and four-point bending. It was found that the mixture with 20% foam volume demonstrated the highest efficiency for use in the production of sandwich panels. Concrete mixtures containing 50%, 60%, and 70% rice husk bio-aggregates were tested for density and compressive strength and used in the production of lightweight sandwich panels with densities ranging from 670 to 1000 kg/m3. Mechanical evaluation under flexion and shear indicated that the presence of fibers inhibited crack propagation in the face, enabling the creation of lightweight sandwich panels with deflection-hardening behavior. On the other hand, the increase in RHB content led to a reduction in the ultimate stress on the face, the core shear ultimate stress, and the toughness of the sandwich panels. Full article
(This article belongs to the Special Issue Lightweight and High-Strength Sandwich Panel (2nd Edition))
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