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Smart Composite Materials for Self-Sensing and Self-Healing in Civil and...
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Smart Composite Materials for Self-Sensing and Self-Healing in Civil and Environmental Engineering

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

Deadline for manuscript submissions: closed (31 August 2021) | Viewed by 4822

Special Issue Editors

Dr. Antonios Kanellopoulos

E-Mail Website
Guest Editor
School of Physics, Engineering and Computer Science, University of Hertfordshire, Hatfield AL10 9AB, UK
Interests: mineral waste upcycling; durability; performance-based design; sustainable infrastructure
Special Issues, Collections and Topics in MDPI journals
Dr. Mihaela Anca Ciupala

E-Mail Website
Guest Editor
School of Architecture, Computing and Engineering, University of East London, Docklands Campus, London E16 2RD, UK
Interests: structural/seismic engineering; carbon fibre reinforced composite materials; concrete structures; experimental testing of structures and materials; structural health monitoring; smart materials and composite structures; sustainability

Special Issue Information

Dear Colleagues,

Smart composite materials for self-sensing and self-healing are highly attractive for civil and environmental engineering applications to improve safety and performance.

These materials have the ability to recognise defects, to monitor strain, damage and temperature, or to repair damage and degradation. They can be polymeric or cementitious composites, including short and continuous fibres, particles, encapsulants, or nanomaterials such as carbon nanotubes and nanofibers.

Smart composite materials can be used for the monitoring and damage detection of new civil and environmental engineering applications or existing applications in need of rehabilitation, subjected to various operational loads and environmental conditions.

When required, data transmission during the service life of these applications is particularly important in order to facilitate a real-time, stable, reliable and wireless transmission.

Given the latest advances in the field, we invite you to submit your work to this Special Issue on “Smart Composite Materials for Self-Sensing and Self-Healing in Civil and Environmental Engineering”.

Full research papers, comprehensive reviews and communications are welcomed on topics including, but not limited to, the following:

  • Fibres, particles, encapsulants and nanomaterials for self-sensing and self-healing composites in civil and environmental engineering, from the laboratory to the field;
  • Smart polymeric and cementitious composites;
  • Self-sensing and self-healing composite materials for rehabilitation;
  • Data transmission under operational loads and environmental conditions.

Manuscripts on smart composite materials developed for the aerospace, automotive or other industries, but with potential to be used in civil and environmental engineering applications, are also encouraged to be submitted.

We look forward to your contributions.

You may choose our Joint Special Issue in Crystals.

Dr. Antonios Kanellopoulos
Dr. Mihaela Anca Ciupala
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

  • smart materials
  • self-sensing
  • self-healing
  • fibres, particles, encapsulants and nanomaterials
  • polymeric and cementitious composites
  • data transmission
  • condition monitoring
  • rehabilitation
  • operational and environmental conditions

Published Papers (2 papers)

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Research

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11 pages, 2854 KiB  
Article
Smart Surfaces: Photocatalytic Degradation of Priority Pollutants on TiO2-Based Coatings in Indoor and Outdoor Environments—Principles and Mechanisms
by Dimitrios Kotzias, Vassilios Binas and George Kiriakidis
Materials 2022, 15(2), 402; https://doi.org/10.3390/ma15020402 - 06 Jan 2022
Cited by 10 | Viewed by 2071
Abstract
Heterogeneous photocatalysis using semiconductor oxides such as TiO2, provides an up-and-coming solution for the degradation of environmental pollutants compared with other technologies. TiO2-containing construction materials and paints activated by UV/solar light destroy the ozone precursors NO and NO2 [...] Read more.
Heterogeneous photocatalysis using semiconductor oxides such as TiO2, provides an up-and-coming solution for the degradation of environmental pollutants compared with other technologies. TiO2-containing construction materials and paints activated by UV/solar light destroy the ozone precursors NO and NO2 up to 80% and 30%, respectively. The majority of TiO2 materials developed so far are primarily for outdoor use. In recent years, substantial efforts have been made to investigate further the photocatalytic activity of materials containing TiO2 toward priority air pollutants such as NO, NO2, and volatile organic compounds (VOCs) frequently accumulated at high concentration levels, particularly in indoor spaces. The intention of the investigations was to modify the titanium dioxide (TiO2), so that it may be activated by visible light and subsequently used as additive in building envelop materials and indoor paints. This has been achieved, to a high extent, through doping of TiO2 with transition metals such as V, Cr, Fe, Mn, Ni, Co, Cu, and Zn, which reduce the energy gap of TiO2, facilitating the generation of free electrons and holes, thus, extending the absorption spectral range of modified TiO2 to the area of visible light (bathochromic shift-redshift). A substantial problem using TiO2-containing paints and other building materials in indoor environments is the formation of byproducts, e.g., formaldehyde, through the heterogeneous photocatalytic reaction of TiO2 with organic matrices. This affects the air quality in confined spaces and, thus, becomes a possible risk for human health and wellbeing. This work describes the principles and mechanisms of the photocatalytic reactions at the air/catalyst interface of priority pollutants such as NO, benzene, and toluene as individual compounds or mixtures. Emphasis is placed on the reaction and recombination processes of the charge carriers, valence band positive holes (h+) and free electrons (e−), on the surface of TiO2, and on key factors affecting the photocatalytic processes, such as humidity. A hypothesis on the role of aromatic compounds in suppressing the recombination process (h+ and e−) is formulated and discussed. Furthermore, the results of the photocatalytic degradation of NO under visible light conditions using different admixtures of TiO2 and manganese doped (Mn–TiO2) are presented and discussed. Full article
(This article belongs to the Special Issue Smart Composite Materials for Self-Sensing and Self-Healing in Civil and Environmental Engineering)
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Review

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22 pages, 1431 KiB  
Review
Recent Advancements in Carbon Nano-Infused Cementitious Composites
by Eryk Goldmann, Marcin Górski and Barbara Klemczak
Materials 2021, 14(18), 5176; https://doi.org/10.3390/ma14185176 - 09 Sep 2021
Cited by 9 | Viewed by 1927
Abstract
A rising demand for efficient functional materials brings forth research challenges regarding improvements in existing materials. Carbon infused cementitious composites, regardless of being an important research topic worldwide, still present many questions concerning their functionality and properties. The paper aims to highlight the [...] Read more.
A rising demand for efficient functional materials brings forth research challenges regarding improvements in existing materials. Carbon infused cementitious composites, regardless of being an important research topic worldwide, still present many questions concerning their functionality and properties. The paper aims to highlight the most important materials used for cementitious composites, their properties, and their uses while also including the most relevant of the latest research in that area. Full article
(This article belongs to the Special Issue Smart Composite Materials for Self-Sensing and Self-Healing in Civil and Environmental Engineering)
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