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Frontiers in Smart Materials: Fundamental Studies and Applications

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

Deadline for manuscript submissions: closed (20 July 2022) | Viewed by 2118

Special Issue Editor


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Guest Editor
Department of Polymer Science, School of Material Science and Engineering, Tiangong University, Tianjin 300387, China
Interests: polymer composite; nanomaterial; functional material; self-healing material; biopolymer; biodegradation materials
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Special Issue Information

Dear Colleagues,

Recent years have witnessed fascinating developments in various fields of materials science and the step-by-step transformation of scientific progress into novel technologies, which as a rule not only exhibit a substantially enhanced performance but are also friendly toward human health and the environment. The field of heritage conservation, with all its traditionalism and multidisciplinarity, has also profited from this development. However, the specific features of this field have led to a considerable scattering of the literary sources and a lack of mutual information between all the relevant subjects.

This Special Issue will help to overcome these problems. It will provide an opportunity to create a compendium of novel methods, which will not only boost further scientific progress but also provide restorers and artists with a useful literary overview. It is focused on advanced solutions to fundamental conservation problems, the perceptions of which are often far ahead of their solutions.

I cordially invite you to submit your contribution to this issue, whose topics include but are not limited to the following:

  • Cleaning, which is efficient, selective, as well as considerate, to the treated artifact;
  • Consolidation of a range of materials;
  • Long-term preventive protection;
  • Extension of material life and self-healing material;
  • Protection against biodeterioration in an ecological context;
  • Methods suitable for heritage conservation in areas with extreme atmospheric conditions;
  • Solutions for facing climate change;
  • Heritage conservation and the protection of the environment.

Prof. Dr. Junfeng Su
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

  • smart composite materials with polymer matrixes
  • smart composite materials on the basis of metals and alloys
  • smart composite materials on the basis of ceramics
  • smart materials applied in civil engineering
  • advanced technologies of smart materials manufacturing
  • 3D-printed smart material
  • artificial intelligence materials
  • bionic intelligent material
  • various applications of smart materials
  • testing of smart composites

Published Papers (1 paper)

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Research

20 pages, 5942 KiB  
Article
Smart Self-Healing Capability of Asphalt Material Using Bionic Microvascular Containing Oily Rejuvenator
by Peng Yang, Li-Qing Wang, Xu Gao, Sai Wang and Jun-Feng Su
Materials 2021, 14(21), 6431; https://doi.org/10.3390/ma14216431 - 27 Oct 2021
Cited by 3 | Viewed by 1742
Abstract
It has become one of the research directions of intelligent materials for self-healing asphalt pavements to use a bionic microvascular containing oily rejuvenator. The rejuvenator in a microvascular can carry out the healing of asphalt micro-cracks, thus reducing the damage to and prolonging [...] Read more.
It has become one of the research directions of intelligent materials for self-healing asphalt pavements to use a bionic microvascular containing oily rejuvenator. The rejuvenator in a microvascular can carry out the healing of asphalt micro-cracks, thus reducing the damage to and prolonging the life of asphalt pavement. The aim of this work was to investigate the smart self-healing capability of an asphalt/microvascular material through its microstructure and mechanical properties. Microstructure observation indicated no interface separation between the microvasculars and bitumen matrix. Micro-CT images showed that microvasculars dispersed in asphalt samples without accumulation or tangles. The phenomenon of microcracks healing without intervention was observed, which proved that the fractured asphalt sample carried out the self-healing process with the help of rejuvenator diffusing out from the broken microvasculars. The self-healing efficiency of asphalt samples was also evaluated through a tensile test considering the factors of microvasculars content, healing time and healing temperature. It was found that the tensile strength of the asphalt samples was greatly enhanced by the addition of microvasculars under a set test condition. Self-healing efficiency was enhanced with more broken microvasculars in the rupture interface of the asphalt sample. During two self-healing cycles, the self-healing efficiency of the asphalt sample with three microvascular per 1 cm2 of a broken interface were able to reach 80% and 86%. This proves that microvasculars containing rejuvenator play a practical role in the self-healing process of asphalt. With an increase in temperature from 0 to 30 °C, the self-healing capability of the asphalt samples increased dramatically. An increase in time increased the self-healing capability of the bitumen samples. At last, a preliminary mathematical model also deduced that the self-healing efficiency was determined by the individual healing steps, including release, penetration and diffusion of the rejuvenator agent. Full article
(This article belongs to the Special Issue Frontiers in Smart Materials: Fundamental Studies and Applications)
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