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Applied Sciences
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Ceramic Composites and Films 2020
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Ceramic Composites and Films 2020

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".

Deadline for manuscript submissions: closed (10 June 2021) | Viewed by 6012

Special Issue Editor

Prof. Dr. Yuzo Nakamura

E-Mail Website
Guest Editor
Department of Mechanical Engineering, Kagoshima University, 1-21-40, Kagoshima 890-0065, Japan
Interests: mechanical properties and microstructures of metals; ceramics and composites; heat treatment; spark plasma sintering; microstructural analysis (XRD, XRF, SEM, EPMA, EDS, EBSD. XPS, TEM, etc.); 3D morphology measurement and its application to fractography and surface analysis; contact mechanics and its application to material tests
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The Special Issue of Applied Sciences, ‘Ceramic Composites and Films’, has been extended and will be published as ‘Ceramic Composites and Films 2020’. In this renewal, we kindly invite further papers on the synthesis, mechanical properties, chemical properties, electric and electronic properties, and other properties of ceramic composites and films. Topics on unique applications and material designs, such as functionally graded materials, porous ceramic composites, smart materials, natural resources, and so on are welcome. In addition to research papers, reviews and overviews will also be accepted to provide context for ceramics research, including the history, current situation, and future prospects of ceramic composites and films. By extending the Special Issue in this way, we seek to provide a platform for those involved in ceramic materials research, that can inspire further projects and investigations.

Prof. Dr. Yuzo Nakamura
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. Applied Sciences 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 2400 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

  • Design of ceramic composites and films
  • Fabrication of ceramic composites and films
  • Microstructure of ceramic composites and films 
  • Ceramic nanocomposites
  • Strength of ceramic composites and films 
  • Fracture toughness of ceramic composites and films 
  • Delamination of ceramic films 
  • Porous ceramic composites and films 
  • Ceramic composites and films in energy-related, environmental, and other applications 
  • Natural-resource-based ceramic composites 
  • Electrical, chemical, optical, and other properties of ceramic composites and films

Published Papers (3 papers)

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Research

9 pages, 907 KiB  
Article
Deposition of 3YSZ-TiC PVD Coatings with High-Power Impulse Magnetron Sputtering (HiPIMS)
by Bastian Gaedike, Svenja Guth, Frank Kern, Andreas Killinger and Rainer Gadow
Appl. Sci. 2021, 11(6), 2753; https://0-doi-org.brum.beds.ac.uk/10.3390/app11062753 - 19 Mar 2021
Cited by 3 | Viewed by 1538
Abstract
Optimized coating adhesion and strength are the advantages of high-power impulse magnetron sputtering (HiPIMS) as an innovative physical vapor deposition (PVD) process. When depositing electrically non-conductive oxide ceramics as coatings with HiPIMS without dual magnetron sputtering (DMS) or mid-frequency (MF) sputtering, the growing [...] Read more.
Optimized coating adhesion and strength are the advantages of high-power impulse magnetron sputtering (HiPIMS) as an innovative physical vapor deposition (PVD) process. When depositing electrically non-conductive oxide ceramics as coatings with HiPIMS without dual magnetron sputtering (DMS) or mid-frequency (MF) sputtering, the growing coating leads to increasing electrical insulation of the anode. As a consequence, short circuits occur, and the process breaks down. This phenomenon is also known as the disappearing anode effect. In this study, a new approach involving adding electrically conductive carbide ceramics was tried to prevent the electrical insulation of the anode and thereby guarantee process stability. Yttria-stabilized zirconia (3YSZ) with 30 vol.% titanium carbide (TiC) targets are used in a non-reactive HiPIMS process. The main focus of this study is a parameter inquisition. Different HiPIMS parameters and their impact on the measured current at the substrate table are analyzed. This study shows the successful use of electrically conductive carbide ceramics in a non-conductive oxide as the target material. In addition, we discuss the observed high table currents with a low inert gas mix, where the process was not expected to be stable. Full article
(This article belongs to the Special Issue Ceramic Composites and Films 2020)
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12 pages, 5242 KiB  
Article
Effect of Acetone Content on the Preparation Period and Curing/Pyrolysis Behavior of Liquid Polycarbosilane
by Yizhi Liu, Xu Liu and Ping Hu
Appl. Sci. 2020, 10(21), 7607; https://0-doi-org.brum.beds.ac.uk/10.3390/app10217607 - 28 Oct 2020
Cited by 1 | Viewed by 1843
Abstract
A novel approach was proposed to increase the compactness, shorten the preparation period, and reduce the preparation cost by introducing acetone to optimize the polycarbosilane impregnation process. The porosity in internally derived SiC ceramics decreased and pore size was limited by using this [...] Read more.
A novel approach was proposed to increase the compactness, shorten the preparation period, and reduce the preparation cost by introducing acetone to optimize the polycarbosilane impregnation process. The porosity in internally derived SiC ceramics decreased and pore size was limited by using this new method, which led to higher compactness. Meanwhile, with the increase in acetone content, the viscosities of polycarbosilane and the wetting angles of polycarbosilane/graphite decreased appreciably, and the viscosity was 6.0 mPa·s with 40 wt.% acetone added—a factor of about 30 lower than that of original polycarbosilane. The wetting angle between polycarbosilane and graphite significantly decreased by 40%, which resulted in an enhancement in the impregnation efficiency of liquid polycarbosilane and a much shorter preparation period. This work provides a convenient and efficient method that is assistant during the practical production process of carbon fiber reinforced ceramic matrix composites (CMCs). Full article
(This article belongs to the Special Issue Ceramic Composites and Films 2020)
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11 pages, 4189 KiB  
Article
Rapid Laser Reactive Sintering Synthesis of Colossal Dielectric CCTO Ceramics
by Jiayang He, Yanwei Huang, Guang Feng, Si Shen, Ming Yan and Heping Zeng
Appl. Sci. 2020, 10(10), 3510; https://0-doi-org.brum.beds.ac.uk/10.3390/app10103510 - 19 May 2020
Cited by 4 | Viewed by 2124
Abstract
Calcium copper titanate (CCTO) ceramics were successfully synthesized using a rapid laser reactive sintering method without conventional long heat treatment times. The microstructure, dielectric properties, and impedance spectroscopy results for CCTO sintered at laser power rates of 25–85 W were investigated in detail. [...] Read more.
Calcium copper titanate (CCTO) ceramics were successfully synthesized using a rapid laser reactive sintering method without conventional long heat treatment times. The microstructure, dielectric properties, and impedance spectroscopy results for CCTO sintered at laser power rates of 25–85 W were investigated in detail. The X-ray diffractometry results showed that prepared CCTO is polycrystalline in a cubic structure with high purity. Scanning electron microscopy showed that CCTO sintered at 85 W has a dense microstructure with an average grain size of 30 nm. The dielectric permittivity of CCTO ceramics increased with increasing laser power over the entire frequency range and achieved a value of almost 105 in the low-frequency region. The dielectric permittivity maintained almost constant values from 102 Hz to 107 Hz, with lower dielectric loss (~0.1) from 103 Hz to 106 Hz, demonstrating good frequency stability. The impedance spectroscopy study showed that grain and grain boundary resistance decreased with rising laser power based on two parallel Resistor-Capacitance (RC) equivalent circuits in series. The activation energies for the grain boundaries were calculated from the impedance using the slope of ln σ versus 1/T and were found to be in the range of 0.53–0.63 eV. CCTO synthesized by rapid laser reactive sintering is competitive for practical applications. Full article
(This article belongs to the Special Issue Ceramic Composites and Films 2020)
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