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Dynamic Behavior of Ceramic Composites and Composite Structures (Second Volume)
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Dynamic Behavior of Ceramic Composites and Composite Structures (Second Volume)

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

Deadline for manuscript submissions: closed (20 January 2025) | Viewed by 5120

Special Issue Editors

Dr. Eligiusz Postek

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Guest Editor
Department of Information and Computational Science, Institute of Fundamental Technological Research Polish Academy of Sciences, Pawińskiego 5B, 02-106 Warsaw, Poland
Interests: computational mechanics; coupled problems; micromechanics; nonlinear problems; plasticity; damage
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Tomasz Sadowski

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Guest Editor
Department of Solid Mechanics, Faculty of Civil Engineering and Architecture, Lublin University of Technology, Nadbystrzycka 40 Str., 20-618 Lublin, Poland
Interests: fluid mechanics; finite element analysis; computational fluid dynamics CFD; simulation engineering; thermodynamics; computational fluid mechanics; numerical simulation; turbulence numerical modeling; aerodynamics design engineering; mechanical properties engineering; applied and computational mathematics engineering; optimization engineering drawing; fluid structure interaction; piping; computational analysis; multidisciplinary design; optimization FSI; aeroelasticity patient simulation; FLUENTCFD coding modeling and simulation; thermal engineering; experimental fluid mechanics; turbulence modeling; numerical analysis; convection heat transfer; solid mechanics; civil engineering; finite element methods; ABAQUS mechanical engineering; aerospace; environmental impact assessment; fracture; material characterization; composites elasticity; fracture mechanics; ceramics materials; composite material alginate
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Ceramic materials have a complex internal structure and are used in important equipment, such as drilling devices, cutting devices, jet engines, and many others. Examples of such materials include multiphase polycrystals, for example, WC/Co, SiC/Al, and Al2O3/ZrO2. The combination of phases with different properties yields a complex microstructure.

Dynamic phenomena are highly diverse. During high-velocity impact, complex phenomena such as cracks, fragmentation, and phase transformation appear in ceramic–metal composites. The behavior of CMM and the composites of all brittle phases is qualitatively different. Special attention is given to the influence of voids within polycrystalline materials on their performance.

In recent decades, advancements in numerical methods, including theory development alongside the application of high-performance computing, have allowed for the analysis of impact phenomena.

Numerical analysis allows insights into rapid processes that are practically impossible to follow during experiments.

  • Impact of samples, fragmentation;
  • Variable dynamic loads;
  • Imperfections, voids, inclusions in grains, imperfections in grain boundaries;
  • Imperfections in interfaces;
  • Numerical methods (finite element method, meshless methods);
  • Nonlocal methods;
  • Thermal effects, phase transformation.

We warmly invite submissions of full papers, communications, or a review.

Dr. Eligiusz Postek
Prof. Dr. Tomasz Sadowski
Guest Editors

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
  • numerical methods
  • coupled problems
  • damage
  • plasticity
  • thermomechanics

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Published Papers (5 papers)

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Research

15 pages, 14137 KiB  
Article
The Effect of Alumina-Rich Spinel Exsolution on the Mechanical Property of Calcium Aluminate Cement-Bonded Corundum Castables
by Qiqi Hou, Zhongzhuang Zhang, Yaning Zhao, Kaiwei Ye, Jiajia Tian, Yuandong Mu, Jian He and Guotian Ye
Materials 2025, 18(2), 405; https://doi.org/10.3390/ma18020405 - 16 Jan 2025
Viewed by 547
Abstract
This study investigates the effect of the exsolution behavior of alumina-rich spinel on the formation and distribution of CA6 (CaAl12O19) in corundum castables bonded with calcium aluminate cement. In this study, alumina-rich spinel is substituted for tabular corundum [...] Read more.
This study investigates the effect of the exsolution behavior of alumina-rich spinel on the formation and distribution of CA6 (CaAl12O19) in corundum castables bonded with calcium aluminate cement. In this study, alumina-rich spinel is substituted for tabular corundum in the same proportions and grain size. The matrices after curing were analyzed by X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy dispersive spectroscopy (EDS). The phase composition and microstructure of the matrices containing alumina-rich spinel were analyzed after firing at 1600 °C. These results showed that the addition of alumina-rich spinel significantly improved the mechanical strength of the castables. This improvement was attributed to the alumina produced by spinel exsolution during firing at 1600 °C, which reacted in situ with CA2 (CaAl4O7) to form CA6. CA6 connects the different particles and forms an interspersed interlocking structure within the spinel. The CA6-MA interspersed interlocking structure replaces part of the CA6-Al2O3 structure and significantly improves the mechanical strength of the castables. Full article
(This article belongs to the Special Issue Dynamic Behavior of Ceramic Composites and Composite Structures (Second Volume))
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25 pages, 14186 KiB  
Article
Steel Ball Impact on SiC/AlSi12 Interpenetrated Composite by Peridynamics
by Eligiusz Postek, Tomasz Sadowski and Jajnabalkya Guhathakurta
Materials 2025, 18(2), 290; https://doi.org/10.3390/ma18020290 - 10 Jan 2025
Cited by 1 | Viewed by 755
Abstract
Silicon carbide and an aluminum alloy (SiC/AlSi12) composite are obtained during the pressurized casting process of the aluminum alloy into the SiC foam. The foam acts as a high-stiffness skeleton that strengthens the aluminum alloy matrix. The goal of the paper is to [...] Read more.
Silicon carbide and an aluminum alloy (SiC/AlSi12) composite are obtained during the pressurized casting process of the aluminum alloy into the SiC foam. The foam acts as a high-stiffness skeleton that strengthens the aluminum alloy matrix. The goal of the paper is to describe the behavior of the material, considering its internal structure. The composite’s structure is obtained by using X-ray computing tomography. The thorough computer tomography analysis allows for the high-precision identification of the shape and distribution of the pores in the matrix. The computational model prepared in the framework of the peridynamics method takes into account the pores and their shape. The pores in the structure appeared in the fabrication process. The impact of a steel ball is studied employing the peridynamics method. The sample without any porosity and a porous one were considered during the analyses. It has been found that the porosity of the matrix influences the plastic strain development, but the damage parameter in the skeleton is not affected significantly. The damage advancement in the skeleton during the process is practically identical in both cases. The equivalent plastic strain field is much smoother in a non-porous matrix than in a porous one. The porous matrix has high equivalent plastic strain concentrations, much higher than the non-porous matrix. The shape of the sample is affected by the porosity of the matrix. The sample with a porous matrix tends to fragment, and it shows a tendency towards spallation when in close contact to the surface with the base. Full article
(This article belongs to the Special Issue Dynamic Behavior of Ceramic Composites and Composite Structures (Second Volume))
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13 pages, 10084 KiB  
Article
CMAS Corrosion Behavior of Mid-Entropy Rare-Earth Hafnate (Y0.3Gd0.3Yb0.4)4Hf3O12 as Thermal Barrier Coating Candidate
by Fuxing Ye, Yuan Yao, Fanwei Meng and Tianyuan Luo
Materials 2024, 17(23), 5892; https://doi.org/10.3390/ma17235892 - 1 Dec 2024
Cited by 1 | Viewed by 803
Abstract
High-temperature CMAS corrosion has become a crucial factor inhibiting the further development of thermal barrier coatings (TBCs) because of the increasing service temperature of aero-engines. Herein, a novel mid-entropy rare-earth hafnate (Y0.3Gd0.3Yb0.4)4Hf3O12 [...] Read more.
High-temperature CMAS corrosion has become a crucial factor inhibiting the further development of thermal barrier coatings (TBCs) because of the increasing service temperature of aero-engines. Herein, a novel mid-entropy rare-earth hafnate (Y0.3Gd0.3Yb0.4)4Hf3O12 (YGYbH) was prepared by ultrafast high-temperature sintering (UHS) technology, and its CMAS corrosion behavior and mechanism were investigated. During corrosion, the Ca2RE8(SiO4)6O2 apatite phase with a lower formation enthalpy and entropy-stabilized effect had a more intense tendency to be generated, which improves the density and stability of the reaction layer, hindering the further penetration of molten CMAS. Moreover, the significant lattice distortion caused by the rare-earth ions with different radii impeded the ionic diffusion, which delayed the CMAS corrosion reaction. In general, YGYbH, with excellent CMAS corrosion resistance, has the potential to serve as a next-generation TBC material. Full article
(This article belongs to the Special Issue Dynamic Behavior of Ceramic Composites and Composite Structures (Second Volume))
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13 pages, 6872 KiB  
Article
Study on the Influence of Calcination Temperature of Iron Vitriol on the Coloration of Ancient Chinese Traditional Iron Red Overglaze Color
by Qijiang Li, Anjian Wu, Maolin Zhang, Jinwei Li, Jianwen Cao, Haorui Li and Yimei Jiang
Materials 2024, 17(12), 2800; https://doi.org/10.3390/ma17122800 - 7 Jun 2024
Cited by 3 | Viewed by 1055
Abstract
Iron red, a traditional Jingdezhen overglaze color, is primarily colored with iron oxide (Fe2O3). In traditional processes, the main ingredient for the iron red overglaze color, raw iron red, is produced by calcining iron vitriol (FeSO4·7H2 [...] Read more.
Iron red, a traditional Jingdezhen overglaze color, is primarily colored with iron oxide (Fe2O3). In traditional processes, the main ingredient for the iron red overglaze color, raw iron red, is produced by calcining iron vitriol (FeSO4·7H2O). Analysis of ancient iron red porcelain samples indicates that the coloration is unstable, ranging from bright red to dark red and occasionally to black. Addressing this, the present study, from a ceramic technology standpoint, conducts a series of calcination experiments on industrial iron vitriol at varying temperatures. Utilizing methodologies such as differential scanning calorimetry-thermogravimetry (DSC-TG), Raman spectroscopy, X-ray diffraction (XRD), scanning electron microscopy with X-ray energy dispersive spectrometry (SEM-EDS), and optical microscopy (OM), this research scientifically explores the impact of iron vitriol’s calcination temperature on the coloration of traditional Jingdezhen iron red overglaze color. The findings indicate that from room temperature to 550 °C, the dehydration of iron vitriol resulted in the formation of Fe2(SO4)3 and a minimal amount of α-Fe2O3, rendering the iron red overglaze color a yellowish-red shade. At 650 °C, the coexistence of Fe2(SO4)3 and α-Fe2O3 imparted a brick-red color to the iron red. As the temperature was elevated to 700 °C, the desulfurization of Fe2(SO4)3 produced α-Fe2O3, transitioning the iron red to an orange red. With further temperature increase to 750 °C, the particle size of α-Fe2O3 grew and the crystal reflectivity decreased, resulting in a purplish-red hue. Throughout this stage, the powder remained in a single α-Fe2O3 phase. Upon further heating to 800 °C, the crystallinity of α-Fe2O3 enhanced, giving the iron red overglaze color a dark red or even black appearance. Full article
(This article belongs to the Special Issue Dynamic Behavior of Ceramic Composites and Composite Structures (Second Volume))
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10 pages, 3507 KiB  
Article
Effects of an Electric Current on the Superplastic Deformation Behavior of 3Y-TZP in an Oxygen-Lean Atmosphere
by Kang Wang, Yufei Zu, Guoqing Chen, Xuesong Fu and Wenlong Zhou
Materials 2023, 16(20), 6785; https://doi.org/10.3390/ma16206785 - 20 Oct 2023
Viewed by 1185
Abstract
The aim of this paper is to investigate the mechanism of an electric current-assisted superplastic deformation on 3Y-TZP in an oxygen-lean atmosphere. The experiments were performed with different electric currents in the range of 0~5 A. The results show that the flow stress [...] Read more.
The aim of this paper is to investigate the mechanism of an electric current-assisted superplastic deformation on 3Y-TZP in an oxygen-lean atmosphere. The experiments were performed with different electric currents in the range of 0~5 A. The results show that the flow stress of 3Y-TZP during the deformation was significantly decreased by the combination of Joule heating and the applied current effect. The microstructures of the deformed specimens were all equiaxed grains without an obvious preferential grain growth. The stress exponent n = 2.05~2.61 suggested that the dominant deformation of 3Y-YZP with/without the electric current was grain boundary sliding at 1400 °C. The activation energy of the deformation which decreased from 465 kJ mol−1 to 315 kJ mol−1 by the electric current indicated that the lattice diffusion of Zr cation during the deformation was enhanced. And the deformation rate of 3Y-TZP with the electric current may be controlled by the grain boundary diffusion of Zr cation. Full article
(This article belongs to the Special Issue Dynamic Behavior of Ceramic Composites and Composite Structures (Second Volume))
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