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Structural Design of Ceramic Materials and Ceramic-Based Composites
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Structural Design of Ceramic Materials and Ceramic-Based Composites

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced and Functional Ceramics and Glasses".

Deadline for manuscript submissions: closed (20 December 2023) | Viewed by 3616

Special Issue Editor

Dr. Ales Buyakov

E-Mail Website
Guest Editor
Laboratory of Nanobioengineering, Institute of Strength Physics and Materials Science of Siberian Branch of Russian Academy of Sciences (ISPMS SB RAS), 2/4, Pr. Akademicheskii, 634055 Tomsk, Russia
Interests: ceramic; composite; functional materials; structural design; fracture toughness; residual stresses; deformation behavior

Special Issue Information

Dear Colleagues,

Ceramic materials and composites based on them have a wide range of applications, from medicine to aircraft construction. Ceramics are characterized by high strength, resistance to various operating conditions, a high melting point, and chemical inertness. However, at the same time, ceramics have a low tolerance for defects, which significantly reduces their reliability. It is known that the use of complex modern approaches to the formation of materials, which can be combined under the term "structural design" can achieve multiple increases in performance in materials of known composition. Thus, it has been shown that:

  • Multicomponent solid solutions based on metal borides and carbides have a significantly higher resistance to oxidation, hardness, and fracture toughness compared to binary carbides and borides.
  • Providing weak bonds in ceramic composites with high-modulus matrix and low-modulus inclusions creates good conditions for crack bifurcation, leading to an increase in fracture toughness.
  • The organization of a multilevel pore structure is capable of endowing otherwise bioinert oxide ceramics with osteoconductive properties, etc.

I am pleased to invite you to publish research works aimed at studying approaches to controlling the performance characteristics of ceramics and ceramic-based materials through structure and composition, devoted to the research of physical laws that determine the increase in characteristics or endowing the material with fundamentally new properties at various levels of the structural hierarchy from the nano- to macro-range.

We are looking forward to receiving your contributions.

Dr. Ales Buyakov
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
  • carbides
  • borides
  • nitrides
  • oxides
  • ceramic composites
  • porous materials
  • layered materials
  • functional materials
  • bioceramics
  • ceramic coatings
  • structural design
  • structure-dependent characteristics
  • processing

Published Papers (3 papers)

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Research

14 pages, 9570 KiB  
Article
Porous Mullite Ceramic Modification with Nano-WO3
by Ludmila Mahnicka-Goremikina, Ruta Svinka, Visvaldis Svinka, Vadims Goremikins, Svetlana Ilic, Liga Grase, Inna Juhnevica, Maris Rundans, Toms Valdemars Eiduks and Arturs Pludons
Materials 2023, 16(13), 4631; https://doi.org/10.3390/ma16134631 - 27 Jun 2023
Viewed by 817
Abstract
Mullite and mullite–alumina ceramics materials with dominance of the mullite phase are used in different areas of technology and materials science. Porous mullite ceramics materials can be used simultaneously as refractory heat insulators and also as materials for constructional elements. The purpose of [...] Read more.
Mullite and mullite–alumina ceramics materials with dominance of the mullite phase are used in different areas of technology and materials science. Porous mullite ceramics materials can be used simultaneously as refractory heat insulators and also as materials for constructional elements. The purpose of this work was to investigate the WO3 nanoparticle influence on the evolution of the aluminum tungstate and zircon crystalline phases in mullite ceramics due to stabilization effects caused by different microsize ZrO2 and WO3. The use of nano-WO3 prevented the dissociation of zircon in the ceramic samples with magnesia-stabilized zirconia (MSZ), increased porosity by approximately 60 ± 1%, increased the intensity of the aluminum tungstate phase, decreased bulk density by approximately 1.32 ± 0.01 g/cm3, and increased thermal shock resistance by ensuring a loss of less than 5% of the elastic modulus after 10 cycles of thermal shock. Full article
(This article belongs to the Special Issue Structural Design of Ceramic Materials and Ceramic-Based Composites)
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12 pages, 4617 KiB  
Article
Structure and Oxidation Behavior of Multicomponent (Hf,Zr,Ti,Nb,Mo)C Carbide Ceramics
by Elena Mirovaya, Alexander Burlachenko, Nikolay Kulagin, Yuriy Mirovoy, Alexey Neiman and Svetlana Buyakova
Materials 2023, 16(8), 3163; https://doi.org/10.3390/ma16083163 - 17 Apr 2023
Viewed by 1331
Abstract
Multicomponent ceramics based on transition metals carbides are widely known for their excellent physicomechanical properties and thermal stability. The variation of the elemental composition of multicomponent ceramics provides the required properties. The present study examined the structure and oxidation behavior of (Hf,Zr,Ti,Nb,Mo)C ceramics. [...] Read more.
Multicomponent ceramics based on transition metals carbides are widely known for their excellent physicomechanical properties and thermal stability. The variation of the elemental composition of multicomponent ceramics provides the required properties. The present study examined the structure and oxidation behavior of (Hf,Zr,Ti,Nb,Mo)C ceramics. Single-phase ceramic solid solution (Hf,Zr,Ti,Nb,Mo)C with FCC structure was obtained by sintering under pressure. It is shown that during the mechanical processing of an equimolar powder mixture of TiC–ZrC–NbC–HfC–Mo2C carbides, the formation of double and triple solid solutions occurs. The hardness of (Hf,Zr,Ti,Nb,Mo)C ceramic was found at 15 ± 0.8 GPa, compressive ultimate strength—at 1.6 ± 0.1 GPa and fracture toughness—at 4.4 ± 0.1 MPa∙m1/2. The oxidation behavior of the produced ceramics in an oxygen-containing atmosphere was studied in the range of 25 to 1200 °C by means of high-temperature in situ diffraction. It was demonstrated that (Hf,Zr,Ti,Nb,Mo)C ceramics oxidation is a two-stage process accompanied by the change of oxide layer phase composition. As a possible mechanism of oxidation, diffusion of oxygen into the ceramic bulk results in the formation of a complex oxide layer made of c–(Zr,Hf,Ti,Nb)O2, m–(Zr,Hf)O2, Nb2Zr6O17 and (Ti,Nb)O2 was proposed. Full article
(This article belongs to the Special Issue Structural Design of Ceramic Materials and Ceramic-Based Composites)
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13 pages, 2643 KiB  
Article
Construction of 2-2 Type Cement-Based Piezoelectric Composites’ Mechanic–Electric Relationship Based on Strain Rate Dependence
by Haiwei Dong, Zhe Li, Ziye Zhu, Yi Li, Wenjie Cheng and Jiangying Chen
Materials 2023, 16(7), 2702; https://doi.org/10.3390/ma16072702 - 28 Mar 2023
Viewed by 1012
Abstract
It has been found that the mechanic–electric response of cement-based piezoelectric composites under impact loading is nonlinear. Herein, we prepared a 2-2 cement-based piezoelectric composite material using cutting, pouring, and re-cutting. Then, we obtained the stress–strain and stress–electric displacement curves for this piezoelectric [...] Read more.
It has been found that the mechanic–electric response of cement-based piezoelectric composites under impact loading is nonlinear. Herein, we prepared a 2-2 cement-based piezoelectric composite material using cutting, pouring, and re-cutting. Then, we obtained the stress–strain and stress–electric displacement curves for this piezoelectric composite under impact loading using a modified split Hopkinson pressure bar (SHPB) experimental apparatus and an additional electrical output measurement system. Based on the micromechanics of the composite materials, we assumed that damage occurred only in the cement paste. The mechanical response relationship of the piezoelectric composite was calculated as the product of the viscoelastic constitutive relationship of the cement paste and a constant, where the constant was determined based on the reinforcement properties of the mechanical response of the piezoelectric composite. Using a modified nonlinear viscoelastic Zhu–Wang–Tang (ZWT) model, we characterized the stress–strain curves of the piezoelectric composite with different strain rates. The dynamic sensitivity and stress threshold of the linear response of the samples were calibrated and fitted. Thus, a mechanic–electric response equation was established for the 2-2 type cement-based piezoelectric composite considering the strain rate effects. Full article
(This article belongs to the Special Issue Structural Design of Ceramic Materials and Ceramic-Based Composites)
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