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Mechanical Properties of Composite Structures: Experimental and Simulation Investigation

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

Deadline for manuscript submissions: closed (20 August 2023) | Viewed by 1685

Special Issue Editors


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Guest Editor
Department of Structures for Engineering and Architecture, University of Napoli ‘Federico II’, Napoli, Italy
Interests: continuum mechanics; structural mechanics; plasticity; stability; dynamics

E-Mail Website
Guest Editor
Department of Structures for Engineering and Architecture, University of Napoli ‘Federico II’, Napoli, Italy
Interests: continuum mechanics; structural mechanics; dynamical systems; stability; bridge design optimization

Special Issue Information

Dear Colleagues,

Composite structures have recently attracted widespread attention from researchers in a number of areas such as lightweight structures in aerospace, aeronautic and naval engineering; superstructures and advanced systems; biomimetic engineering; eco-design for recycling; and so on. Their success is due notably to their exceptional mechanical proprieties such as low weight, high stiffness/strength radio, fracture toughness, buckling resistance, and damping, alongside other non-structural advantages such as self-healing capability, tailoring, sensing and actuation, energy harvesting/storage, recyclability, biodegradability, etc.

Although this subject has been widely researched in the last several decades, it is felt that much remains to be discussed, particularly as regards the mechanical properties of composite structures.

This Special Issue aims to collect original research articles, state-of-the art reviews, short communications, perspectives, viewpoints, opinions, concept papers or case reports emphasizing advances and developments in the field of composite structures, obtained by both numerical and experimental investigations. The main goal is to collect ideas, analyses, proposals and opinions from several scholars from different areas that could outline possible future achievements and challenging improvements in this field.

Dr. Federico Guarracino
Dr. Ida Mascolo
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

  • composite structures
  • numerical simulation
  • experimental investigation
  • civil engineering
  • lightweight composites
  • energy-efficient composites
  • multifunctional composite applications

Published Papers (1 paper)

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Research

16 pages, 6198 KiB  
Article
Influence of the Welding Degree on the Strength and Failure Modes of Tuff
by Lihui Li, Chenglong Li, Beixiu Huang, Ming Wang, Zhida Bai and Shengwen Qi
Materials 2022, 15(24), 8757; https://doi.org/10.3390/ma15248757 - 8 Dec 2022
Cited by 2 | Viewed by 1208
Abstract
The diagenesis of welded tuffs is a process in which volcanic debris undergoes degassing, compaction, and quenching, and vitreous rheologic, which indicates that the welding occurred in a high-temperature, high-pressure diagenetic environment and that different temperatures and pressures result in different degrees of [...] Read more.
The diagenesis of welded tuffs is a process in which volcanic debris undergoes degassing, compaction, and quenching, and vitreous rheologic, which indicates that the welding occurred in a high-temperature, high-pressure diagenetic environment and that different temperatures and pressures result in different degrees of welding in the welded tuffs, which can also result in differences in the mechanical properties of the rock. In this study, based on petrographic identification, mineral composition analysis, and pore structure characterization, uniaxial compression combined with linear accelerator CT and Brazilian splitting tests was carried out to investigate the influence of the welding degree on the strength and failure modes. The test results showed that although they had almost similar mineral composition and porosity, the uniaxial compression strength and tensile strength of the strongly welded tuffs were greater than that of the weakly welded tuffs. Their failure modes were also different. Fractures in the weakly welded tuffs developed gradually, while the strongly welded tuffs showed a higher brittleness with sudden failure. The results of this study shed light on the influence of the diagenetic environment on the mechanical properties of rock from a geological perspective and can provide a mechanical basis for rockfall risk evaluation in scenic areas of welded tuff. Full article
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