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Ceramics
Special Issues
Physical Properties of Metals/Metal-Base Materials
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Physical Properties of Metals/Metal-Base Materials

A special issue of Ceramics (ISSN 2571-6131).

Deadline for manuscript submissions: closed (30 October 2019) | Viewed by 5908

Special Issue Editor

Prof. Dr. Toshihiro Ishikawa

E-Mail Website
Guest Editor
Department of Applied Chemistry, Tokyo University of Science, Yamaguchi, 756-0884 Yamaguchi, Japan
Interests: silicon-based ceramics; silicon carbide; titanium oxide; surface functinality; photo catalystctinality; Photo catalyst

Special Issue Information

Dear Colleagues,

This Special Issue addresses green and sustainable practices by focusing on specific classes of metal-based materials containing functional metals, metal-oxides (titanium oxide, and so on), metal-carbides (silicon carbide, and so on), metal-derived functional materials, and their applications. Active researchers in the abovementioned fields in universities, industry, government, and private research organizations are invited to submit papers. We hope that this issue offers a vision for future developments, stimulating fresh thinking to integrate green and sustainable practices in the metal-based materials. We also hope that this issue meets the educational and research needs of advanced students across multiple academic disciplines.

Prof. Dr. Toshihiro Ishikawa
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. Ceramics is an international peer-reviewed open access quarterly 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 1600 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

  • Titanium oxide
  • Silicon carbide
  • Photocatalyst
  • Surface functionality
  • Surface modifications of metals

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Published Papers (2 papers)

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Research

9 pages, 3681 KiB  
Article
Photocatalytic Activity for Hydrogen Evolution of Heteroatom-Doped SrTiO3 Prepared Using a Graphitic-Carbon Nitride Nanosheet
by Keita Ikeue, Yuta Yamamoto and Masashige Suzuki
Ceramics 2020, 3(1), 22-30; https://doi.org/10.3390/ceramics3010003 - 11 Jan 2020
Cited by 9 | Viewed by 2875
Abstract
We developed a novel method to synthesize a visible-light-responsible photocatalyst from a composite of SrTiO3 and a graphitic carbon nitride (g-C3N4) nanosheet. Heteroatoms were successfully doped into a lattice of SrTiO3 by mild calcination of a composite [...] Read more.
We developed a novel method to synthesize a visible-light-responsible photocatalyst from a composite of SrTiO3 and a graphitic carbon nitride (g-C3N4) nanosheet. Heteroatoms were successfully doped into a lattice of SrTiO3 by mild calcination of a composite that the g-C3N4 nanosheet adsorbed on to the SrTiO3 surface. The absorption edge in the UV-Vis absorption spectrum of the doped sample was shifted to a longer wavelength region. The photocatalytic activity of the doped sample under UV light irradiation was higher than those of both pristine SrTiO3 and the g-C3N4 nanosheet, suggesting that the photocatalytic property of SrTiO3 was enhanced by doping. The doped sample showed photocatalytic activity under visible light irradiation (>420 nm), which was enhanced by Pt loading. Full article
(This article belongs to the Special Issue Physical Properties of Metals/Metal-Base Materials)
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10 pages, 6223 KiB  
Article
Hydrothermal Corrosion Behaviors of Constituent Materials of SiC/SiC Composites for LWR Applications
by Shoko Suyama, Masaru Ukai, Megumi Akimoto, Toshiki Nishimura and Satoko Tajima
Ceramics 2019, 2(4), 602-611; https://doi.org/10.3390/ceramics2040047 - 9 Dec 2019
Cited by 3 | Viewed by 2651
Abstract
The corrosion behaviors of SiC/SiC composite constituent materials in pure water at operating conditions, such as 300 °C and 8.5 MPa, were studied for potential application in accident-tolerant light water reactor (LWR) fuel cladding and core structures. Five kinds of SiC fibers, four [...] Read more.
The corrosion behaviors of SiC/SiC composite constituent materials in pure water at operating conditions, such as 300 °C and 8.5 MPa, were studied for potential application in accident-tolerant light water reactor (LWR) fuel cladding and core structures. Five kinds of SiC fibers, four kinds of SiC matrices, and three kinds of fiber/matrix interphase materials were examined in autoclaves. The potential constituent materials for future use in SiC/SiC composites were selected by considering corrosion rates and residual strength characteristics. The mass changes and the residual strength of each specimen were measured. SEM images of the surface layers were also inspected. The SiC fibers, regardless of their purity, crystallinity or stoichiometric ratio, decreased in strength due to the hydrothermal corrosion. For its part, the hydrothermal corrosion resistance of CVD-SiC, as a SiC matrix, was found to be affected by manufacturing conditions such as raw material gas type and synthesis temperature, as well as post-machining morphology. The CVD-carbon (CVD-C), as a fiber/matrix interphase material, showed good hydrothermal corrosion resistance. In order to protect the SiC fibers and the SiC matrices from hydrothermal corrosion, it would appear to be necessary to apply a dense CVD-C coating to both every fiber and the entire surface of the SiC matrices. Full article
(This article belongs to the Special Issue Physical Properties of Metals/Metal-Base Materials)
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