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Research in Nanostructures, Interfaces and Nanocomposites of Functional Ceramics

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

Deadline for manuscript submissions: closed (31 March 2020) | Viewed by 10803

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Special Issue Editors

Dr. Gražyna Simha Martynková

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Guest Editor

Nanotechnology Centre, CEET, VSB-Technical University of Ostrava, Ostrava Poruba, Czech Republic
Interests: nanocarbons; ceramics; polymers for all solid state batteries
Special Issues, Collections and Topics in MDPI journals

Dr. Monika Šupová

E-Mail Website
Guest Editor

Institute of Rock Structure and Mechanics of the Czech Academy of Sciences, Prague, Czechia
Interests: composite as a biomaterial; polymer composites; intercalation of clay minerals; hydroxyapatite; nano-composite scaffolds; ceramics; IR spectroscopy

Special Issue Information

Dear Colleagues,

Ceramic materials are one of the oldest manmade materials known to be used in varieties of life applications. Traditional applications in the houseware, electroindustry, construction and building industry, or sanitary and medical fields are slowly being overtaken by new approaches to the preparation and design of ceramics using nanotechnology. Advanced and multifunctional materials are being researched and developed to suit modern demands in a broad spectrum of applications.

For this Special Issue, we want to focus on ceramics with all aspects of nanotechnology to this topic. Therefore, the following will be addressed:

Synthesis of ceramics using nanotechnology approaches;
Nanoceramics and ceramic nanocomposites;
Modified ceramics with nanoparticles;
Biocompatible ceramics and bioceramics;
Ceramics microstructure and porosity;
Ceramics for the environment;
Nano-micro fillers for ceramics;
Characterization of ceramics.

It is my pleasure to invite you to submit a manuscript to this Special Issue. Full papers, communications, and reviews are all welcome.

Assoc. Prof. Gražyna Simha Martynková
Dr. Monika Šupová

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

ceramics
structure
nanocomposites
application
characterization
bioceramics
ceramic compositions
ceramic coatings
functional ceramics
ceramic and composite processing

Published Papers (4 papers)

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Research

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11 pages, 5201 KiB

Open AccessArticle

Microstructure and Properties of Nanostructured Coating on Ti6Al4V

by Veronika Jordanovová, Monika Losertová, Michal Štencek, Tereza Lukášová, Gražyna Simha Martynková and Pavlína Peikertová

Materials 2020, 13(3), 708; https://doi.org/10.3390/ma13030708 - 5 Feb 2020

Cited by 15 | Viewed by 2252

Abstract

Implant surface properties of Ti6Al4V alloy that is currently used as a biocompatible material because of a variety of unique properties can be improved by a self-organized TiO₂ layer. The TiO₂ nanotubes forming on the titanium-based materials is a relatively recent technology for the surface properties modification and represents pronounced potential in promoting cell adhesion, proliferation, and differentiation that facilitate an implant osseointegration. This work focuses on the influence of surface treatment quality and anodic oxidation parameters on the structure features and properties of TiO₂ nanotube coatings. The nanotubes were formed on Ti6Al4V alloy substrates by simultaneous surface oxidation and controlled dissolving of an oxide film in the presence of fluorine ions. The anodization process on ground or polished samples was performed at experimental condition of 30 V for 1 h. The selected anodized samples were heat treated for 2 h at 500 °C under flowing argon. All samples were characterized by scanning electron microscopy, X-ray diffraction analysis, and Raman spectroscopy. The corrosion rate in physiological solution reached 0.0043, 0.0182, and 0.0998 mm per year for the samples in polished and not-anodized, as-anodized, and anodized-heat treated conditions, respectively. Full article

(This article belongs to the Special Issue Research in Nanostructures, Interfaces and Nanocomposites of Functional Ceramics)

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13 pages, 1951 KiB

Open AccessArticle

Crystallization and Quantification of Crystalline and Non-Crystalline Phases in Kaolin-Based Cordierites

by Marta Valášková, Zdeněk Klika, Boris Novosad and Bedřich Smetana

Materials 2019, 12(19), 3104; https://doi.org/10.3390/ma12193104 - 23 Sep 2019

Cited by 15 | Viewed by 2209

Abstract

Kaolin is most often used as traditional raw material in ceramic industry. The purpose of the study was to obtain understanding of the structural and chemical variability of cordierite ceramics influenced by chemical and mineralogical properties of six raw kaolins taken from different localities when they are applied in ceramics mixtures with vermiculite and sintered up to 1300 °C. The X-ray diffraction and simultaneous thermogravimetric and differential thermal analysis were used to identify and characterize crystalline mineral phases and the course of reactions during the heating. The percentages of the crystalline and non-crystalline phases were newly determined by recalculation of the bulk chemical analyses of kaolins and cordierite ceramics using Chemical Quantitative Mineral Analysis (CQMA) method. Varying amounts of minerals in kaolins: kaolinite from 73.3 to 85.0, muscovite from 4.2 to 9.9, and quartz from 6.0 to 19.5 (mass %) affected amount of cordierite/indialite from 75.2 to 85.1, enstatite from 5.8 to 8.9 (when are calculated as their maximal possible percentages), and non-crystalline phases from 8.8 to 15.1 (mass %) in cordierite ceramics. Regression analysis predicted high relationship between quantity of: (a) kaolinite in kaolins and crystalline cordierite and (b) quartz in kaolins and non-crystalline phases in the ceramics. The migration of potassium from muscovite into the cordierite structure, melting point and crystallization of cordierite/indialite phases and pore size variability in relation to impurity of kaolins are documented and discussed. Full article

(This article belongs to the Special Issue Research in Nanostructures, Interfaces and Nanocomposites of Functional Ceramics)

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14 pages, 2367 KiB

Open AccessArticle

Study of the Structure and Antimicrobial Activity of Ca-Deficient Ceramics on Chlorhexidine Nanoclay Substrate

by Lenka Pazourková, Magda Reli, Marianna Hundáková, Erich Pazdziora, Daniela Predoi, Gražyna Simha Martynková and Khalid Lafdi

Materials 2019, 12(18), 2996; https://doi.org/10.3390/ma12182996 - 16 Sep 2019

Cited by 12 | Viewed by 2104

Abstract

Novel biomedical composites, based on organically modified vermiculite and montmorillonite with deposited Ca-deficient hydroxyapatite (CDH), were prepared. The monoionic sodium forms of vermiculite and montmorillonite were intercalated with chlorhexidine diacetate (CA). The surfaces of organoclays were used for the precipitation of Ca-deficient hydroxyapatite. The composites with Ca-deficient hydroxyapatite showed very good antibacterial effects, similar to the antimicrobial activity of pure organoclay samples. Better antibacterial activity was shown in the organically modified montmorillonite sample with Ca-deficient hydroxyapatite compared with the vermiculite composite, but, in the case of Staphylococcus aureus, both composites showed the same minimum inhibitory concentration (MIC) value. The antimicrobial effect of composites against bacteria and fungi increased with the time of exposure. The structural characterization of all the prepared materials, performed using X-ray diffraction and FT infrared spectroscopy analysis, detected no changes in the original clay or CDH during the intercalation or precipitation process, therefore we expect the strength of the compounds to be in the original power. Full article

(This article belongs to the Special Issue Research in Nanostructures, Interfaces and Nanocomposites of Functional Ceramics)

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Review

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47 pages, 4655 KiB

Open AccessReview

The Significance and Utilisation of Biomimetic and Bioinspired Strategies in the Field of Biomedical Material Engineering: The Case of Calcium Phosphat—Protein Template Constructs

by Monika Šupová

Materials 2020, 13(2), 327; https://doi.org/10.3390/ma13020327 - 10 Jan 2020

Cited by 12 | Viewed by 3856

Abstract

This review provides a summary of recent research on biomimetic and bioinspired strategies applied in the field of biomedical material engineering and focusing particularly on calcium phosphate—protein template constructs inspired by biomineralisation. A description of and discussion on the biomineralisation process is followed by a general summary of the application of the biomimetic and bioinspired strategies in the fields of biomedical material engineering and regenerative medicine. Particular attention is devoted to the description of individual peptides and proteins that serve as templates for the biomimetic mineralisation of calcium phosphate. Moreover, the review also presents a description of smart devices including delivery systems and constructs with specific functions. The paper concludes with a summary of and discussion on potential future developments in this field. Full article

(This article belongs to the Special Issue Research in Nanostructures, Interfaces and Nanocomposites of Functional Ceramics)

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