Academic literature on the topic 'Ceramics composite'

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Journal articles on the topic "Ceramics composite"

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Jiang, Shiwei, Anmin Li, and Zhengliang Wang. "Toughening Mechanism of CaAl12O19 in Red Mud–Al2O3 Composite Ceramics." Crystals 14, no. 11 (2024): 924. http://dx.doi.org/10.3390/cryst14110924.

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The utilization of red mud in the production of ceramic products represents an efficient approach for harnessing red mud resources. Composite ceramics were prepared from Al2O3, red mud, and Cr2O3 by atmospheric pressure sintering, and the phase composition and microscopic morphology of the composite ceramics were investigated by XRD, SEM, and EDS. The flexural strength and fracture toughness of composite ceramics were measured by three-point bending and SENB methods. The results showed that the composite ceramics sintered at 1500 °C with the addition of 1.5 wt.% Cr2O3 had a flexural strength of 297.03 MPa, a hardness of 17.44 GPa, and a densification of 97.75% and fracture toughness of 6.57 MPa·m1/2. The addition of Cr2O3 helps to improve the low strength of red mud composite ceramic samples. The CaAl12O19 phase can form a similar “endo-crystalline” structure with Al2O3 grains, which changes the fracture mode of the ceramics and thus significantly improves the fracture toughness. The wettability tests conducted on Cu and RM–Al2O3 composite ceramic materials revealed that the composites exhibited non-wetting behavior towards Cu at elevated temperatures, while no interfacial reactions or elemental diffusion were observed. Composites have higher surface energy than Al2O3 ceramic at high temperatures. The present study provides a crucial foundation for enhancing the comprehensive utilization value of red mud and the application of red mud ceramics in the field of electronic packaging.
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Cheng, Zhao Gang, Xin Hua Ni, and Xie Quan Liu. "The Mechanical-Stress-Field of Matrix in Eutectic Ceramic Composite." Applied Mechanics and Materials 121-126 (October 2011): 3607–11. http://dx.doi.org/10.4028/www.scientific.net/amm.121-126.3607.

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Based on the interaction between nano-fiber and eutectic interphase, forth-phase mode is used to get the mechanical stress field of matrix in eutectic composite ceramics. The effective flexibility increment tensor of eutectic ceramic composite is obtained by the volumetric average strain. The remote stress boundary condition of the eutectic composite ceramis is accounted for getting the mechanical stress field in matrix. The results show the mechanical stress field of the matrix is associated with the stiffness and the volume fractions of each component in eutectic composite ceramic , the shape of interphase and nano-fiber. The stresses in matrix will decrease due to the strong constraining effects of the eutectic interphase. The eutectic interphase make the eutectic composite ceramics strengthen.
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Zhang, Ning, Jiexu Li, and Ying Xia. "Ferroelectric Ceramic Materials Prepared by Nanoparticles in Outdoor Environmental Sculpture Art." Advances in Materials Science and Engineering 2022 (September 16, 2022): 1–12. http://dx.doi.org/10.1155/2022/4874150.

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With the development and progress of the city, people’s research on outdoor sculpture has gone deeper, and the field of material research has been raised to the field of spiritual culture. Tang Sancai is beautiful in color and wonderful in shape, such that when ceramics are used in outdoor environmental sculpture art, except for its performance, its appearance and tone must also be taken into consideration. Even when ferroelectric ceramics are used in outdoor sculptures, changing their shapes and taking into account their colors can be done invisibly only by passing through an electromagnetic field. Ferroelectric ceramics are generally divided into insulating, dielectric, piezoelectric, magnetic, semiconductor, transparent, and infrared sensor ceramics. This article integrates the manufacturing method of ferroelectric ceramics into outdoor environmental sculpture art. First of all, this article describes the ferroelectric ceramics and outdoor environmental sculptures, explains the method of preparing ferroelectric ceramics from barium titanate nanoparticles, and explains the pyroelectric inverse process of the electric card effect principle of electric ceramic materials, the thermodynamics of Maxwell’s relationship, and the thermodynamics of Landau’s phenomenological theory. The elasticity of the system is calculated, and the preparation of tetragonal barium titanate ferroelectric ceramics prepared by hydrothermal nanoparticles and SBT/Cu ferroelectric ceramic composites prepared by nanoparticle metallurgy is explained. In the plasma discharge mode, the optimal temperature for sintering the composite material is obtained. Then through experiments, research on the preparation and performance of the high dielectric constant BTnf-Ag/PVDF ferroelectric ceramic nanocomposite and its application in environmental sculptures are demonstrated. Compared with the two ancient BTnf/PVDF composite materials, the barium titanate fiber prepared by electrostatic spinning shows that the BTnf-Ag/PVDF composite material has a higher dielectric constant, and the dielectric loss is not too high. The 41.8vol% BTnf-Ag composite material has a dielectric constant of 82.6BTnf/PVDF, but the composite material’s dielectric constant is only 62.4, an increase of 32%. The dielectric loss of the 41.8vol% BTnf-Ag composite material is 0.053, and the dielectric loss constant of the BTnf/PVDF composite material is 0.049; the dielectric loss is reduced by 8% year-on-year. Ferroelectric ceramic composites prepared by adding silver ions have ideal dielectric properties and enhanced energy storage density.
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Konopka, Katarzyna. "Particle-Reinforced Ceramic Matrix Composites—Selected Examples." Journal of Composites Science 6, no. 6 (2022): 178. http://dx.doi.org/10.3390/jcs6060178.

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This paper presents some examples of ceramic matrix composites (CMCs) reinforced with metal or intermetallic phases fabricated by powder consolidation without a liquid phase (melted metal). Composites with a complex structure, which are an advanced group of CMCs called hybrid composites, were described in contrast to conventional composites with a ceramic matrix. In advanced CMCs, their complex structures make it possible to achieve the synergistic effect of the micro- and nanoparticles of the metallic, intermetallic, and ceramic phases on the composite properties, which is not possible in conventional materials. Various combinations of substrates in the form of powder as more than one metal and ceramics with different powder sizes that are used to form hybrid composites were analyzed. The types of CMC microstructures, together with their geometrical schemas and some examples of real ceramic matrix composites, were described. The schemas of composite microstructures showed the possible location of the ceramic, metallic, or intermetallic phases in composites. A new concept of an advanced ceramic–intermetallic composite fabricated by the consolidation of pre-composite powder mixed with ceramic powder was also presented. This concept is based on the selection of substrates, two metals in the form of powder, which will form a new compound, intermetallic material, during processing. Metal powders were milled with ceramic powders to obtain a pre-composite powder consisting of intermetallic material and ceramics. In the next step, the consolidation of pre-composite powder with ceramic powder allows the creation of composites with complex microstructures. Selected examples of real particle-reinforced conventional and hybrid microstructures based on our own investigations were presented. In addition to microstructures, the properties and possible applications of CMCs were analyzed.
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Li, Penghu, Haiyun Jin, Shichao Wei, Huaidong Liu, Naikui Gao, and Zhongqi Shi. "Ceramization Mechanism of Ceramizable Silicone Rubber Composites with Nano Silica at Low Temperature." Materials 13, no. 17 (2020): 3708. http://dx.doi.org/10.3390/ma13173708.

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Ceramizable composite is a kind of polymer matrix composite that can turn into ceramic material at a high temperature. It can be used for the ceramic insulation of a metal conductor because of its processability. However, poor low-temperature ceramization performance is a problem of ceramizable composites. In this paper, ceramizable composites were prepared by using silicone rubber as a matrix. Ceramic samples were sintered at different temperatures no more than 1000 °C, according to thermogravimetric analysis results of the composites. The linear contraction and flexural strength of the ceramics were measured. The microstructure and crystalline phase of ceramics were analyzed using scanning electron microscope (SEM) and X-ray diffraction (XRD). The results show that the composites turned into ceramics at 800 °C, and a new crystal and continuous microstructure formed in the samples. The flexural strength of ceramics was 46.76 MPa, which was more than twice that of similar materials reported in other research sintered at 1000 °C. The maximum flexural strength was 54.56 MPa, when the sintering temperature was no more than 1000 °C. Moreover, glass frit and nano silica played important roles in the formation of the ceramic phase in this research. A proper content of nano silica could increase the strength of the ceramic samples.
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Chabera, P., A. Boczkowska, A. Morka, T. Niezgoda, A. Oziębło, and A. Witek. "Numerical and experimental study of armour system consisted of ceramic and ceramic- elastomer composites." Bulletin of the Polish Academy of Sciences Technical Sciences 62, no. 4 (2014): 853–59. http://dx.doi.org/10.2478/bpasts-2014-0094.

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Abstract The paper presents numerical and experimental results in the study of composite armour systems for ballistic protection. The modelling of protective structures and simulation methods of experiment as well as the finite elements method were implemented in LS DYNA software. Three armour systems with different thickness of layers were analyzed. Discretization for each option was built with three dimensional elements guaranteeing satisfactory accuracy of the calculations. Two selected armour configurations have been ballistically tested using the armour piercing (AP) 7.62 mm calibre. The composite armour systems were made of Al2O3 ceramics placed on the strike face and high strength steel as a backing material. In case of one ballistic structure system an intermediate ceramic- elastomer layer was applied. Ceramic- elastomer composites were obtained from porous ceramics with porosity gradient using pressure infiltration of porous ceramics by elastomer. The urea-urethane elastomer, as a reactive liquid was introduced into pores. As a result composites, in which two phases were interconnecting three-dimensionally and topologically throughout the microstructure, were obtained. Upon ballistic impact, kinetic energy was dissipated by ceramic body The residual energy was absorbed by intermediate composite layer. Effect of the composite shell application on crack propagation of ceramic body was observed.
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Lei, Zheng, Wei Min Zuo, Bao Fu Feng, and Jun Tan Yuan. "A Technical Study of Hole Drilling in Ceramics/FRP Laminate Composite Components." Advanced Materials Research 97-101 (March 2010): 1965–70. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.1965.

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Drilling process of the ceramic composite component (ceramics/FRP/aluminum alloy), as an example of similar ceramics/FRP laminate composite components, was studied intensively. According to the diverse machining properties of the composing materials of ceramic composite components, the special thinwall diamond core bit was developed, with copper based matrix of complex alloy and hot pressing process. Through machining competitive experiments, the feeding mode with constant pressure was determined. After analyzing the diverse hole defects, the process equipment with compressive pre stress was introduced to improve the hole drilling quality, with good validity proved theoretically by the finite element analysis and on this condition, water can be used as the coolant. The process technology presented in this paper can be used for hole drilling in similar composite components made of the same composing materials.
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Li, Nan, Zhiwei Shen, and Zhiguo Tao. "Design theory and anti-ballistic effect simulation of dual phase hybrid functionally graded ceramic composite armor." Journal of Physics: Conference Series 2478, no. 5 (2023): 052003. http://dx.doi.org/10.1088/1742-6596/2478/5/052003.

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Abstract Functional gradient structure design is one way to improve the anti-ballistic performance of ceramic composite armors. In this paper, the design theory of dual phase hybrid functionally graded ceramics is established. Through the finite element simulation of the anti-ballistic behaviour, three structural effects of dual phase hybrid functionally graded ceramics composite armor are studied: monolithic ceramics (MC), unidirectional functionally graded ceramics (UFGC) and bidirectional functionally graded ceramics (BFGC). The ceramics structure of composite armor is optimized. The simulation results of the optimized structure of unidirectional and bidirectional functionally graded ceramics are better than that of monolithic ceramics, and the weight is lighter. This research can provide theoretical support for the design of functionally graded ceramic composite armor.
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Li, Wen Xu, Hua Zhao, Ying Song, Bin Su, and Fu Ping Wang. "Mechanical Properties of Machinable Zirconia Dental Composites." Key Engineering Materials 336-338 (April 2007): 1587–89. http://dx.doi.org/10.4028/www.scientific.net/kem.336-338.1587.

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Ca3(PO4)2/ZrO2 dental composite ceramics using for CAD/CAM system were prepared and the effects of weak phases on microstructures and mechanical properties were studied. The results showed that intergranular spreads happened with the increasing Ca3(PO4)2 contents due to the discontinuity of weak interfaces between Zirconia and Calcium phosphate in matrix. So the flexural strength and hardness of the Ca3(PO4)2/ZrO2 composite ceramics were decreased effectively, which improved the machinability of the composites. On the other hand, strong interfaces between Zirconias increased the integrality of the ceramic structures. ZrO2 composite Ceramics with 15% Ca3(PO4)2 were sintered at 1350°C. The flexural strength is 300.44MPa, fracture toughness is 4.36 MPam1/2, and hardness is 6.69 GPa. The cutting exponent of the Ca3(PO4)2/ZrO2 composite ceramics is obviously lower than that of the common commercial Vita Mark II and Dicor MGC ceramics, which shows good mechanical properties and machinability.
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Suhendra, Nandang, Muslim Efendi Harahap, Masmui a, et al. "CARBON NANOTUBES REINFORCED ZIRCONIA COMPOSITES FOR ARTFICIAL HIP JOINTS BEARING SURFACES." International Journal of Advanced Research 9, no. 4 (2021): 985–1002. http://dx.doi.org/10.21474/ijar01/12794.

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This research focuses on the properties and capabilities of carbon nanotubes (CNTs) as reinforcing agents in ceramic composite bearing components. The addition of CNT to pure ceramics can form composites with much better performance than conventional ceramics for various applications. The study was started from the pure ceramics in their use as a component of bearing total hip arthroplasty and the damage that occurred after implantation. The study covers factors that cause degradation of conventional ceramics introduction of properties and use of CNTs as new reinforcing agents for ceramic composite materials widely used sintering method and the heat and pressure parameters used during the sintering process to meet the standards for the manufacture of Total Hip Arthroplasty (THA) bearing component. The contact and buckling behaviors of the CNTs influence the composites friction properties. The presence of CNT until 20 wt% of CNT exhibited improve wear resistance with lower friction with the increase of weight percent. CNT reinforced ceramic coating might be capable to withstand high load-bearing conditions. Plastic deformation can be one of the critical processes in wear in the ceramics wear mechanism. Other processes are cracking and chemical reaction. The microstructures and porosity take an important role in indicating the ceramics wear properties and wear mechanisms.
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Dissertations / Theses on the topic "Ceramics composite"

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Yang, Quanzu. "Composite sol-gel ceramics." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0019/NQ46453.pdf.

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Yu, Zhengbo. "Monolithic and composite Li-#alpha#-sialon ceramics." Thesis, University of Newcastle Upon Tyne, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.324806.

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Stedman, S. J. "The fabrication of composite ceramics by injection moulding." Thesis, Brunel University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.253377.

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Yang, Fan. "Oxidation and mechanical damage in unidirectional SiC/Si#N# composite at elevated temperatures." Diss., Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/19057.

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Gentieu, Timothée. "Development of filled polymers for the replacement of ceramics used as ballistic protection layer." Thesis, Bordeaux, 2018. http://www.theses.fr/2018BORD0419.

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Les matériaux céramiques présentent généralement des propriétés mécaniques très intéressantes pour la réalisation de blindages. Ce sont des matériaux très durs et pourtant légers. Les plaques de blindages en céramique sont classiquement mises en forme par pressage à haute température de poudres, ce qui limite la taille et la forme des réalisations tout en impliquant un coût élevé. Une alternative pour produire ces pièces est le moulage d’un composite constitué de particules de céramiques dans une matrice époxy. Ce procédé permet de réduire le coût des pièces tout en autorisant des géométries plus complexes et des dimensions plus importantes.Le comportement mécanique de ce type de matériau dépend de multiples paramètres de conception : propriétés mécaniques des constituants (matrice polymère et particules céramiques), proportion volumique des deux phases, taille et distribution spatiale des particules ou encore l’adhésion entre les constituants. L’objectif de la thèse est d’évaluer l’influence de ces paramètres sur les propriétés d’usage du matériau. Pour ce faire, une analyse multi-échelle du matériau sous sollicitations quasi-statique et dynamique est réalisée.Plus précisément, les propriétés statiques et dynamiques du composite à renforts particulaires ont été déterminées pour différentes combinaisons de ces paramètres de conception. En particulier, le mécanisme de décohésion particule/matrice a été spécifiquement étudié. Les approches de Modèles de Zone Cohésive (CZM) et de Mécanique de la Rupture Finie (FFM) ont été utilisées pour modéliser ce phénomène et un fort effet de taille des particules a été observé<br>Ceramics have extensively been used for ballistic protection in the last decades. The combination of their mechanical properties makes them very interesting for armouring. Indeed, they exhibit a high hardness, large compression strength, high stiffness and low density. Ceramic armouring plates are commonly manufactured through a sintering process, where ceramic powders are pressed at high temperatures. This manufacturing process tends to limit the size and shape of components and imparts high costs. On the other hand, moulding using a polymer matrix composite provides an alternative process for developing lower cost parts whilst accommodating increased complexity of geometry and size.However, the mechanical behaviour of such a material is not completely known and depends on multiple design parameters: the mechanical properties of the phases, their volume fraction, the size and spatial distributions of the particles, and the adhesion between the components. The objective of the thesis is to evaluate the influence of the main morphological parameters on the overall mechanical properties, emphasising the influence of the particle/matrix adhesion. To do so, both numerical and experimental multiscale analyses of the material under quasi-static and dynamic loadings were carried out.More precisely, static and dynamic properties of the particle-reinforced composite have been determined for different combinations of the design variables. In particular, attention has been dedicated to the particle/matrix decohesion mechanism. Cohesive zone models (CZM) and Finite Fracture Mechanics (FFM) approaches were used to model this phenomenon and a strong effect of the particle size on debonding was observed
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Otieno, Geoffrey. "Processing and properties of aligned carbon nanotube/glass ceramic composite." Thesis, University of Oxford, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.560925.

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Previous attempts to produce carbon nanotube (CNT) ceramic composites have resulted in poorly dispersed, unaligned and non-continuous CNTs in the composites with modest improvements in properties. The research presented in this thesis pertains to the production of dense aluminoborosilicate (ABS) glass matrix composites containing aligned and continuous multi- walled carbon nanotubes (MWCNT) of millimetre lengths. This was achieved by infiltrating CVD grown MWCNT preforms using a precursor sol and sintering which achieved 80 ± 2% dense composites. Focused ion beam milling together with image analysis showed that the composites contained 20 ± 2 vol.% MWCNTs, which are aligned and continuous within the glass matrix. Indentation studies showed greater damage tolerance in the composite compared to unreinforced ABS glass. Under compression, there is no significant change in the compressive strength between the composite and the unreinforced glass. The bend strength of microcantilever beams were 1.4 to 1.3 GPa for the composite and glass respectively. Elastic modulus of 84 GPa and fracture toughness (Kic of up to 2.4 MPa √m were obtained for the composite. The elastic modulus and fracture toughness results are an improvement of 30 % and 240 % over that of unreinforced ABS glass. Fracture surfaces showed apparent MWCNT pullout lengths of up to ~ 1 urn. Analysis indicates that crack bridging by intact MWCNTs provides the majority of the improvement in fracture toughness. Interlayer sliding of the MWCNTs and "sword in' sheath" failure mechanism of the MWCNTs prevented the maximum potential performance, with respect to elastic modulus and fracture toughness, from being achieved. Electrical conductivity in the alignment direction of the CNTs showed improvements by a factor of 106 compared to unreinforced ABS glass. Furthermore, improvement of a factor of ~ 10 in the thermal conductivity was obtained for the composite over that of ABS glass.
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Morvan, Jason. "HIGHLY PIEZOELECTRIC SOFT COMPOSITE FIBERS." Kent State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=kent1334585220.

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Scott, Colin. "A study of fracture in brittle laminar composites that contain weak interlayers /." *McMaster only, 2001.

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Wang, Tianhong. "Fracture mechanics studies of failures of lead zirconate titanate ceramics under mechanical and/or electrical loadings /." View Abstract or Full-Text, 2003. http://library.ust.hk/cgi/db/thesis.pl?MECH%202003%20WANG.

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Thesis (Ph. D.)--Hong Kong University of Science and Technology, 2003.<br>Includes bibliographical references (leaves 132-137). Also available in electronic version. Access restricted to campus users.
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Al-Joubory, Kassim M. "Fibre-matrix reaction in composite ceramics based on alumina, titania, and zirconia matrices." Thesis, University of Leeds, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329508.

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Books on the topic "Ceramics composite"

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P, Cheremisinoff Nicholas, ed. Handbook of ceramics and composites. M. Dekker, 1990.

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Tressler, Richard E., Gary L. Messing, Carlo G. Pantano, and Robert E. Newnham, eds. Tailoring Multiphase and Composite Ceramics. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-2233-7.

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University), University Conference on Ceramic Science (21st 1985 Pennsylvania State. Tailoring multiphase and composite ceramics. Plenum Press, 1986.

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E, Grady Joseph, and United States. National Aeronautics and Space Administration., eds. Ceramic matrix and resin matrix composites: A comparison. National Aeronautics and Space Administration, 1987.

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Interregional, European Colloquium on Ceramics and Composites (6th 2000 Stuttgart Germany). Advanced ceramics and composites. Expert Verlag, 2000.

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D, Mackenzie John, Ulrich Donald R, University of California, Los Angeles. Dept. of Materials Science and Engineering., and International Conference on Ultrastructure Processing of Ceramics, Glasses, and Composites (3rd : 1987 : San Diego, Calif.), eds. Ultrastructure processing of advanced ceramics. Wiley, 1988.

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M, Caruta B., ed. Ceramics and composite materials: New research. Nova Science, 2005.

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E, Tressler Richard, ed. Tailoring multiphase ceramics. Plenum Press, 1985.

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JFCC International Workshop on Fine Ceramics '98 (1998 Nagoya, Japan). Ceramic material systems with composite structures: Towards optimum interface control and design. American Ceramic Society, 1998.

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Y, Lin R., Fishman Steven G, TMS Process Fundamentals Committee., Minerals, Metals and Materials Society. Composite Committee., and Minerals, Metals and Materials Society. Meeting, eds. Control of interfaces in metal and ceramics composites: Proceedings of a symposium sponsored by the Process Fundamentals Committee and Composite Committee, held in the TMS Annual Meeting at San Francisco, California, February 27-March 3, 1994. Minerals, Metals and Materials Society, 1994.

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Book chapters on the topic "Ceramics composite"

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Ekström, Thommy. "SiAlON Composite Ceramics." In Tailoring of Mechanical Properties of Si3N4 Ceramics. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0992-5_11.

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Fu, Zheng Yi, Z. Fan, W. J. Tang, et al. "Structures of Ceramics/Metal and Ceramics/Ceramics Core/Shell Particles by Hybridization." In Composite Materials V. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-451-0.109.

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Devi, Sheela, and Shilpi Jindal. "Electrical characterization of electro-Ceramics." In Composite Materials. CRC Press, 2020. http://dx.doi.org/10.1201/9781003080633-6.

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Lamicq, P., C. Bonnet, and S. Chateigner. "Ceramic Composite Development." In Designing with Structural Ceramics. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3678-5_14.

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Casteels, F., J. Sleurs, and R. Lecocq. "Ceramic Composite Materials." In Designing with Structural Ceramics. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3678-5_21.

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Hu, K. A., J. Runt, A. Safari, and R. E. Newnham. "Composite Thermistors." In Tailoring Multiphase and Composite Ceramics. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-2233-7_38.

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Atay, Hüsnügül Yılmaz. "Innovative High-tech Ceramics Materials." In Advanced Composite Materials. John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781119242666.ch3.

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Safari, A., G. Sa-gong, J. Giniewicz, and R. E. Newnham. "Composite Piezoelectric Sensors." In Tailoring Multiphase and Composite Ceramics. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-2233-7_35.

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Brook, R. J. "Sintering of Multiphase Ceramics." In Tailoring Multiphase and Composite Ceramics. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-2233-7_1.

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Paunović, Vesna, Dimitrije Stefanović, Ljubomir Vulićević, and Violeta Dimić. "Microstructural Characterization BaTiO3 - Composite Ceramics." In Advanced Science and Technology of Sintering. Springer US, 1999. http://dx.doi.org/10.1007/978-1-4419-8666-5_58.

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Conference papers on the topic "Ceramics composite"

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Craig, Phillip A. "Continuous Fiber Ceramic Composites- A New Generation of Materials for Industrial and Corrosive Applications." In CORROSION 1999. NACE International, 1999. https://doi.org/10.5006/c1999-99268.

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Abstract The market for advanced ceramics is very large and growing rapidly, at a rate of 20 percent per year. These materials are characterized by their excellent high temperature properties. They are finding use where temperatures exceed the capability of other materials, especially metals. Even so, they are not selected for many applications because of the brittleness of monolithic ceramics. In the search for improvement, material scientists reinforce ceramics with continuous ceramic fibers, such as silicon carbide. Embedded continuous ceramic fibers reinforce the ceramic matrix by deflecting and bridging fractures. These continuous fiber ceramic composite (CFCC) materials offer the advantages of ceramics-resistance to heat, erosion, and corrosion--while adding toughness and thermal shock resistance. CFCC materials are evolving to the advanced product development stage with Department of Energy support in the CFCC program. Designers are evaluating them in corrosive applications in major industries. Various CFCC’s are described and several case studies of CVI SiC/SiC application testing are reveiwed.
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Charlebois, G. W. "Chemical Resistant Ceramics for the Process Industries." In CORROSION 1990. NACE International, 1990. https://doi.org/10.5006/c1990-90345.

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Abstract ABSTRACT The use of Non-Metallic materials is a well established engineering approach to corrosion control. The concepts of a composite corrosion proof lining is reviewed. The primary function of each of the composite parts is discussed. Examples of ceramic linings are presented to illustrate life cycle reliability and functional relationship of each part of a multi component lining. A review of factors to be considered when choosing alloy or ceramic lined process vessels is presented. A summary of economic analysis for alloy and acid brick linings is presented to show economic comparisons in severe corrosive conditions.
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Keiser, J. R., J. I. Federer, J. J. Williams, and R. A. Rosenberg. "Evaluation of Ceramic Materials for an Advanced Steam-Methane Reformer." In CORROSION 1993. NACE International, 1993. https://doi.org/10.5006/c1993-93239.

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Abstract Four ceramic materials (three silicon carbides and one silicon carbide particle-strengthened alumina composite) were corrosion tested to assess their suitability for application as tubes for a steam-methane reformer. Corrosion tests were conducted in simulated reformer atmospheres at temperatures in the range 595 to 1040°C. The fragmented, non-adherent oxide layer (cristobalite) that formed on SiC ceramics increased in thickness with increasing temperature, steam partial pressure, and exposure time. The SiC-Al2O3 composite also formed a thin reaction zone as SiC particles near the surface oxidized and then reacted with residual aluminum alloy or the alumina matrix, but, unlike the oxide layer on the SiC ceramics, the reaction zone thickness did not increase with exposure time. The strengths of the ceramic materials were measured using four-point flexure tests. Based on the limited data available, none of the materials showed a significant strength change that could be related to exposure temperature or steam partial pressure. For all four materials at 1040°C, the samples with the longest exposure time showed the lowest strength; however, this decrease was probably not statistically significant, given the limited number of samples tested.
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Johnsen, B. B., and D. B. Rahbek. "What is the Effect of Composite Covers on Ceramics in Hard Armour Plates?" In Personal Armour Systems Symposium. Royal Military Academy (Belgium), 2023. https://doi.org/10.52202/080042-0001.

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Aktaş, Latif Tibet, and Mehmet Çevik. "Diameter and Pattern Effects of Al2O3 Balls on Ballistic Strength of Metal–Ceramic Composites." In 6th International Students Science Congress. Izmir International Guest Student Association, 2022. http://dx.doi.org/10.52460/issc.2022.034.

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In composite materials made from metals and ceramics, a metallic substrate material is reinforced with ceramic hardened particles. This combination makes it possible to combine the low weightiness of the metal with the resistance of ceramics. Used metals in those types of composites have greater density than the ceramics, so relatively, metals are heavier than ceramics, but in metal-ceramic composite applications, the metal parts are used in small quantities as in thin slices. These types of composites can combine attractive properties of both a ceramic, such as high temperature resistance and hardness, and those of a metal, such as the ability to undergo plastic deformation. Metal-ceramic armors are used in the fields where the weight factor is not crucial yet important for mobilization. Metal-ceramic composites show their unique values in armor technologies especially in vehicle protection applications. Ceramic balls offer advantages such as being lightweight, lower friction resistance, high temperature resistance, higher rigidity, higher hardness, and higher corrosion resistance than metallic composite core, but these properties belong to the material nature. In ballistic applications like high velocity impact situations, spherical shape, theoretically must influence bullet trajectory. Because of the curved surface of a sphere, chances are a projectile hits any spherical surface obliquely. That means the projectile loses some of its kinetic energy by transferring it into the sphere and changing course into another trajectory axis. Shao et al. showed this trajectory deflection effect vividly [1].
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Jawdat, BenMaan, Brad Hoff, Martin Hilario, et al. "Composite ceramics for power beaming." In 2017 IEEE Wireless Power Transfer Conference (WPTC). IEEE, 2017. http://dx.doi.org/10.1109/wpt.2017.7953824.

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Popovska, Nadejda, Emad Alkhateeb, Tanja Kugler, Andreas P. Fro¨ba, and Alfred Leipertz. "Thermal Conductivity of Biomorphic Porous SiC Based Ceramics." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22341.

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Biomorphic porous SiC composite ceramics were produced by chemical vapor infiltration and reaction (CVI-R) technique using paper preforms as template. The thermal conductivity of four samples with different composition and microstructure was investigated: a) C-template b) C-SiC, c) C-SiC-Si3N4 and d) SiC coated with a thin layer of TiO2. The SiC-Si3N4 composite ceramic showed enhanced oxidation resistance compared to single phase SiC. However; a key property for the application of these materials at high temperatures is their thermal conductivity. The later was determined experimentally at defined temperatures in the range 298–373K with a laser flash apparatus. It was found that the thermal conductivity of the porous ceramic composites increases in the following order: C-template &amp;lt; C-SiC &amp;lt; C-SiC-Si3N4 &amp;lt; SiC-TiO2. The results were interpreted in regard to the porosity and the microstructure of the ceramics.
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Lester, Brian T., and Dimitris C. Lagoudas. "Modeling of Hybrid Shape Memory Alloy Composites Incorporating MAX Phase Ceramics." In ASME 2012 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/smasis2012-7969.

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A new hybrid shape memory alloy (SMA)-ceramic composite is being developed for use in extreme environments. The proposed composition is intended to address past issues with brittle failure in the ceramic phase by generating a compressive residual stress state in that phase. This biasing load takes advantage of the superior mechanical properties of ceramics when loaded in compression. Past investigations of SMA composites with an elasto-plastic second phase have shown that such a residual stress state may be developed in the second phase through the generation of irrecoverable, plastic strains. To take advantage of this characteristic, a class of ceramics known as the MAX phases are being used. These ceramics have a unique response characterized by the formation of kink bands which can allow for both recoverable and irrecoverable inelastic strains. A model of the hybrid composite incorporating this response and the effects of the microstructure is developed to explore the ability of this material system to generate such stress states. To this end, an approximation of the MAX phase response is introduced to describe the irrecoverable kink band formation. The effects of the microstructure are accounted for through the generation of a finite element mesh from microtomography results of the considered composite. Finite element simulations of the hybrid composite are performed using the assumed MAX phase response and a recent 3D phenomenological SMA constitutive model. The effective stress-temperature response of the composite is determined and the interaction of the different phases is discussed. Specifically, it is shown that composite still exhibits a hysteretic response although with a decreased hysteresis height and shifted transformation temperatures. The effect of the microstructure on the composite response is discussed. Finally, it is shown that through an actuation loading path a compressive residual stress state is developed in the ceramic phase.
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Thandaga Nagaraju, Hemanth, James Nance, Bhavani Sankar, Ghatu Subhash, and Raphael Haftka. "Stress Analysis and Failure Behavior of SiC/SiC Textile Composite Tubes." In 44th International Conference on Advanced Ceramics and Composites. US DOE, 2020. http://dx.doi.org/10.2172/1866239.

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Reifsnider, Ken, and S. W. Case. "Life Prediction Based on Material State Changes in Ceramic Matrix Composite Materials." In ASME Turbo Expo 2007: Power for Land, Sea, and Air. ASMEDC, 2007. http://dx.doi.org/10.1115/gt2007-28167.

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Monolithic ceramics and continuous fiber reinforced ceramic composites are being developed for use in high temperature applications such as combustor liners in gas turbines, thrust deflectors for jet engines, and thruster nozzles. Ceramic composite materials possess the high temperature resistance properties of ceramics, but have better creep and cyclic properties. However, the properties of these materials change somewhat with time at service temperatures, i.e., their material state changes as a function of service conditions and history. The authors have developed a methodology for representing and combining the effects of high temperature material state changes in CMCs, along with changes in applied stress / strain conditions during service, to estimate remaining strength and life of ceramic composite materials and components. Fatigue, creep rupture, and time dependent deformation are combined by a strength metric in integral form to create a time-resolved, point-wise estimate of current remaining strength and life in material elements. Application of this methodology in discrete element representations of mechanical behavior of structural elements with nonuniform stress / strain states has been implemented.
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Reports on the topic "Ceramics composite"

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Federer, J. I., H. E. Kim, and A. J. Moorhead. Corrosion of SiC and oxide-composite ceramics by a simulated steam-reformer atmosphere. Office of Scientific and Technical Information (OSTI), 1991. http://dx.doi.org/10.2172/5128601.

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MALDONADO, KARELYS, JUAN ESPINOZA, DANIELA ASTUDILLO, and WILSON BRAVO. Fatigue and fracture resistance and survival of occlusal veneers of composite resin and ceramics blocks in posterior teeth with occlusal wear: A protocol for a systematic review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2021. http://dx.doi.org/10.37766/inplasy2021.10.0036.

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Review question / Objective: The aim of this systematic review is to synthesize the scientific evidence that evaluates fatigue and fracture resistance, survival, and stress distribution, of composite resin CAD/CAM and ceramic CAD/CAM occlusal veneers in posterior teeth with severe occlusal wear. Condition being studied: Currently there is an increase in cases of dental wear, due to several factors such as: excessive consumption of carbonated drinks, a diet high in acids, gastric diseases, anorexia, bulimia, dental grinding, use of highly abrasive toothpastes, or a combination of these(9) (10) (11) (12); which affect the patient in several aspects: loss of vertical dimension, sensitivity due to the exposure of dentin, esthetics, affectation of the neuromuscular system(11) (13) (14). With the advent of minimally invasive dentistry, occlusal veneers have been found to be a valid option to rehabilitate this type of cases and thus avoid greater wear of the dental structure with full coverage restorations. Sometimes when performing a tabletop it is not necessary to perform any preparation, thus preserving the maximum amount of dental tissue(3) (6) (15). Due to the masticatory load either in patients without parafunction where the maximum masticatory force is approximately 424 N for women and 630 N for men or in those who present parafunction where the maximum bite force can vary from 780 to 1120N(7), it is necessary that the occlusal veneers support that load which makes indispensable a compilation of studies investigating both fatigue and fracture resistance and the survival rate of occlusal veneers in different materials and thicknesses.
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Vedula, Krishna M. Ultra High Temperature Ceramic-Ceramic Composites. Defense Technical Information Center, 1989. http://dx.doi.org/10.21236/ada230593.

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Fareed, Ali, and Phillip A. Craig. Continuous Fiber Ceramic Composites. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/834518.

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Weitsman, Y. J., and H. Zhu. Multifracture of ceramic composites. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/5620859.

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Weitsman, Y. J., and H. Zhu. Multifracture of ceramic composites. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/10126835.

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Lange, Fred F., M. P. Rao, A. J. Sanchez-Herencia, G. E. Beltz, and R. M. McMeeking. Reliable Ceramic Structural Composites Designed with a Threshold Strength. Laminar Ceramics That Exhibit a Threshold Strength. Defense Technical Information Center, 2000. http://dx.doi.org/10.21236/ada389140.

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Weiss, Charles, William McGinley, Bradford Songer, Madeline Kuchinski, and Frank Kuchinski. Performance of active porcelain enamel coated fibers for fiber-reinforced concrete : the performance of active porcelain enamel coatings for fiber-reinforced concrete and fiber tests at the University of Louisville. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/40683.

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A patented active porcelain enamel coating improves both the bond between the concrete and steel reinforcement as well as its corrosion resistance. A Small Business Innovation Research (SBIR) program to develop a commercial method for production of porcelain-coated fibers was developed in 2015. Market potential of this technology with its steel/concrete bond improvements and corrosion protection suggests that it can compete with other fiber reinforcing systems, with improvements in performance, durability, and cost, especially as compared to smooth fibers incorporated into concrete slabs and beams. Preliminary testing in a Phase 1 SBIR investigation indicated that active ceramic coatings on small diameter wire significantly improved the bond between the wires and the concrete to the point that the wires achieved yield before pullout without affecting the strength of the wire. As part of an SBIR Phase 2 effort, the University of Louisville under contract for Ceramics, Composites and Coatings Inc., proposed an investigation to evaluate active enamel-coated steel fibers in typical concrete applications and in masonry grouts in both tension and compression. Evaluation of the effect of the incorporation of coated fibers into Ultra-High Performance Concrete (UHPC) was examined using flexural and compressive strength testing as well as through nanoindentation.
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Hurley, JP. Support Services for Ceramic Fiber-Ceramic Matrix Composites. Office of Scientific and Technical Information (OSTI), 2001. http://dx.doi.org/10.2172/788362.

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Hurley, J. P., and J. W. Nowok. Support Services for Ceramic Fiber-Ceramic Matrix Composites. Office of Scientific and Technical Information (OSTI), 1999. http://dx.doi.org/10.2172/8836.

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