Relevant bibliographies by topics / Ceramic matrix composite

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Ceramic matrix composite'

Author: Grafiati
Published: 4 June 2021
Last updated: 6 September 2023

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Journal articles on the topic "Ceramic matrix composite"

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Konopka, Katarzyna. "Particle-Reinforced Ceramic Matrix Composites—Selected Examples." Journal of Composites Science 6, no. 6 (June 19, 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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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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Kim, Jeongguk. "Investigation of Failure Mechanisms in Ceramic Composites as Potential Railway Brake Disc Materials." Materials 13, no. 22 (November 15, 2020): 5141. http://dx.doi.org/10.3390/ma13225141.

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Ceramic composite materials have been efficiently used for high-temperature structural applications with improved toughness by complementing the shortcomings of monolithic ceramics. In this study, the fracture characteristics and fracture mechanisms of ceramic composite materials were studied. The ceramic composite material used in this study is Nicalon ceramic fiber reinforced ceramic matrix composites. The tensile failure behavior of two types of ceramic composites with different microstructures, namely, plain-weave and cross-ply composites, was studied. Tensile tests were performed on two types of ceramic composite material specimens. Microstructure analysis using SEM was performed to find out the relationship between tensile fracture characteristics and microstructure. It was found that there was a difference in the fracture mechanism according to the characteristics of each microstructure. In this study, the results of tensile tests, failure modes, failure characteristics, and failure mechanisms were analyzed in detail for two fabric structures, namely, plain-weave and cross-ply structures, which are representative of ceramic matrix composites. In order to help understanding of the fracture process and mechanism, the fracture initiation, crack propagation, and fracture mechanism of each composite material are schematically expressed in a two-dimensional figure. Through these results, it is intended to provide useful information for the design of ceramic composite materials based on the mechanistic understanding of the fracture process of ceramic composite materials.
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ISHII, K., M. KOYAMA, H. HATTA, and I. SHIOTA. "CMC-09: Hybrid Bonding between C/C Composites Using Si Infiltration(CMC-II: CERAMICS AND CERAMIC MATRIX COMPOSITE)." Proceedings of the JSME Materials and Processing Conference (M&P) 2005 (2005): 37. http://dx.doi.org/10.1299/jsmeintmp.2005.37_4.

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HASHIMOTO, R., M. HOJO, A. OGAWA, Y. SOFUE, and F. ZHOU. "CMC-10: Rotational Strength of C/SiC Composite Blisk Model(CMC-II: CERAMICS AND CERAMIC MATRIX COMPOSITE)." Proceedings of the JSME Materials and Processing Conference (M&P) 2005 (2005): 37–38. http://dx.doi.org/10.1299/jsmeintmp.2005.37_5.

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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 (August 21, 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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Guo, Y., JH Wang, XY Xu, TT Duan, SQ Yan, DG Wang, PX Xin, L. Wang, YS Huang, and N. Li. "Ballistic Performance of Protection Structures Using Fiber Composites as Matrix Armor." Journal of Physics: Conference Series 2460, no. 1 (April 1, 2023): 012126. http://dx.doi.org/10.1088/1742-6596/2460/1/012126.

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Abstract The protective performance of a composite structure composed of the composite layer (FC composite) as the matrix armor and the ballistic ceramic layer as the faceplate against Type 53 7.62 mm Armor-Piercing Incendiary (API) is studied. FC composite is used as the hybrid fiber layer mainly containing carbon fiber, and the ballistic ceramic layer is respectively made of three kinds of ballistic ceramics: alumina, silicon carbide and boron carbide. The results show that the weight of boron carbide ceramic is 14% ~ 30% less than that of alumina ceramic and 10% ~ 24% less than that of silicon carbide ceramic under equal thickness of the FC composite substrate. The lowest total areal density is 44 kg/m2 when the bearing capacity of the armored vehicle is basically satisfied.
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Homeny, J., and W. L. Vaughn. "Whisker-Reinforced Ceramic Matrix Composites." MRS Bulletin 12, no. 7 (November 1987): 66–72. http://dx.doi.org/10.1557/s0883769400066987.

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Whisker-reinforced ceramic matrix composites have recently received a great deal of attention for applications as high temperature structural materials in, for example, advanced heat engines and high temperature energy conversion systems. For applications requiring mechanical reliability, the improvements that can be realized in fracture strength and fracture toughness are of great interest. Of particular importance for optimizing the mechanical reliability of these composites is the effect of the whisker/matrix interfacial characteristics on the strengthening and toughening mechanisms. Whisker reinforcements are primarily utilized to prevent catastrophic brittle failure by providing processes that dissipate energy during crack propagation. The degree of energy dissipation depends on the nature of the whisker/matrix interface, which can be controlled largely by the matrix chemistry, the whisker surface chemistry, and the processing parameters.It is generally believed that a strong interfacial bond results in a composite exhibiting brittle behavior. These composites usually have good fracture strengths but low fracture toughnesses. If the interfacial bond is weak, the composite will not fail in a catastrophic manner due to the activation of various energy dissipation processes. These latter composites tend to have high fracture toughnesses and low fracture strengths. Generally, the interface should be strong enough to transfer the load from the matrix to the whiskers, but weak enough to fail preferentially prior to failure. Thus, local damage occurs without catastrophic failure. It is therefore necessary to control the interfacial chemistry and bonding in order to optimize the overall mechanical performance of the composites.
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Li, Xuan, Yongzhe Fan, Xue Zhao, Ruina Ma, An Du, Xiaoming Cao, and Huiyun Ban. "Damping Capacity and Storage Modulus of SiC Matrix Composites Infiltrated by AlSi Alloy." Metals 9, no. 11 (November 7, 2019): 1195. http://dx.doi.org/10.3390/met9111195.

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In this paper, we describe how an aluminum alloy-reinforced silicon carbide ceramic matrix composite (SiCCMC) with excellent damping capacity and storage modulus was fabricated by infiltration. The effects of silicon (Si) on the microstructure and damping capacity of the composite were studied. The interface bonding and damping mechanism involved were also discussed. The results show that composites with high damping capacity can be obtained by infiltrating SiC ceramics with aluminum alloy. The residual Si in the SiC ceramic had little effect on the damping capacity, and it provided the passage of aluminum alloy into the interior of the SiC ceramic. The aluminum atoms penetrate the SiC particles by diffusion. Optimal composite damping capacity was obtained when the Si content in the aluminum alloy was 15 wt. %, because the AlSi/SiC interface friction dissipated most of thermal energy. Ti3SiC2 formed on the surface had little effect on the damping capacity. Additionally, by changing the Si content in the aluminum alloy, the strength and damping capacity of the composites can be controlled.
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Wang, Weili, Jianqi Chen, Xiaoning Sun, Guoxun Sun, Yanjie Liang, and Jianqiang Bi. "Mechanical Properties and Microstructure of Hot-Pressed Silica Matrix Composites." Materials 15, no. 10 (May 20, 2022): 3666. http://dx.doi.org/10.3390/ma15103666.

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Silica is one of the most widely used ceramics due to its excellent chemical stability and dielectric property. However, its destructive brittle nature inhabits it from wider application as a functional ceramic. An improvement in toughness is a challenging topic for silica ceramic, as well as other ceramics. In the paper, silica ceramic with different types of boron nitride powders and alumina platelets was fabricated by hot-pressing. Introduction of the additives had great influence on the composites’ mechanical properties and microstructure. The silica matrix composite containing micro-sized boron nitride powders possessed the best mechanical properties, including the bending strength (134.5 MPa) and the fracture toughness (1.85 MPa·m1/2). Meanwhile, the introduction of alumina platelets combined with boron nitride nanosheets achieved an effective enhancement of fracture toughness while maintaining the bending strength. Compared with the monolithic silica, the composite with simultaneous addition of alumina platelets and boron nitride nanosheets had a fracture toughness of 2.23 MPa·m1/2, increased by approximately 27% (1.75 MPa·m1/2). The crack deflection and platelet pullout were contributing to enhancement of the fracture toughness. The improved mechanical properties, combined with the intrinsic excellent dielectric and chemical properties, make the silica matrix composites promising wave transparent and thermal protection materials.
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Dissertations / Theses on the topic "Ceramic matrix composite"

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Grosskopf, Paul P. "Mechanical behavior of a ceramic matrix composite material." Thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/42214.

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Monolithic ceramic materials have been used in industry for hundreds of years. These materials have proven their usefulness in many applications, yet, their potential for critical structural applications is limited. The existence of an imperfection in a monolithic ceramic on the order of several microns in size may be critical, resulting in catastrophic failure. To overcome this extreme sensitivity to sman material imperfections, reinforced ceramic materials have been developed. A ceramic matrix which has been reinforced with continuous fibers is not only less sensitive to microscopic flaws, but is also able to sustain significant damage without suffering catastrophic failure.

A borosilicate glass reinforced with several layers of plain weave silicon carbide cloth (Nicalon) has been studied. The mechanical testing which was performed included both flexural and tensile loading configurations. This testing was done not only to determine the material properties, but also to initiate a controlled amount of damage within each specimen.

Several nondestructive testing techniques, including acousto-ultrasonics (AU), were performed on the specimens periodically during testing. The AU signals were monitored through the use of an IBM compatible personal computer with a high speed data acquisition board. Software has been written which manipulates the AU signals in both the time and frequency domains, resulting in quantitative measures of the mechanical response of the material.

This paper will compare the measured AU parameters to both the mechanical test results and data from other nondestructive methods including ultrasonic C-scans and penetrant enhanced X-ray radiography.


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Davies, C. M. A. "Failure mechanisms in glass-ceramic matrix composite laminates." Thesis, University of Bath, 1994. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387305.

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Marriner-Edwards, Cassian. "The development of fibre-reinforced ceramic matrix composites of oxide ceramic electrolyte." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:3af11d08-c0d8-429b-8eab-d2befc83ea74.

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Flammable solvents contained in liquid electrolytes pose a serious safety risk when used in lithium batteries. Oxide ceramic electrolytes are a safer alternative, but suffer from inadequate mechanical properties and ionic conductivity. Thin electrolyte layers resolve the issue of conductance, but accentuate the detrimental mechanical properties of oxide ceramics. The presented work has investigated oxide ceramic electrolyte reinforcement in composite electrolytes for all-solid-state batteries. Fabricating oxide ceramic electrolytes with engineered microstructure enabled development of a reinforced composite. This approach is based on the formation of 3D- porous ceramics via stereolithography printing of polymer templates from designed cubic, gyroid, diamond and bijel architectures. The microstructural parameters of templates were analysed and modified using computational techniques. Infiltration of the prepared 3D-porous electrolyte with polymeric-fibre reinforcement created the reinforced composite electrolyte. The prepared ceramic composite showed excellent reproduction of the template microstructure, good retention of ionic conductivity and enhanced mechanical properties. The final composite was composed of NASICON-type Li1.6Al0.6Ge1.4(PO4)3 oxide ceramic electrolyte and epoxy and aramid fibre reinforcement. The gyroid architecture was computationally determined as having the optimal stress transfer efficiency between two phases. The printed gyroid polymer template gave excellent pore microstructure reproduction in ceramic that had 3D-interconnected porosity, high relative density and the most uniform thickness distribution. The ceramic matrix porosity allowed for complete infiltration of reinforcement by aramid and epoxy forming the fibre-reinforced ceramic matrix composite. The interpenetrating composite microstructure with ceramic and epoxy gave a flexural strength increase of 45.65 MPa compared to the ceramic. Unfortunately, the infiltration procedure of aramid-epoxy reinforcement did not realise the full tensile strength potential of aramid fibres.
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Lyons, Jed S. "Micromechanical studies of crack growth in ceramic matrix composite." Diss., Georgia Institute of Technology, 1990. http://hdl.handle.net/1853/16086.

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Dunyak, Thomas John. "Properties and performance of a ceramic composite component." Diss., This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-07282008-134634/.

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Ellerby, Donald Thomas. "Processing and mechanical properties of metal-ceramic composites with controlled microstructure formed by reactive metal penetration /." Thesis, Connect to this title online; UW restricted, 1999. http://hdl.handle.net/1773/10583.

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Bulsara, Vatsal N. "Effects of fiber spatial distribution and interphase on transverse damage in fiber-reinforced ceramic matrix composites." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/21429.

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Bischoff, Matthew Lee. "CHARACTERIZATION OF CERAMIC MATRIX COMPOSITE MATERIALS USING MILLIMETER-WAVE TECHNIQUES." Wright State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=wright1362655198.

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Trandel, Barbara Dawn. "Nondestructive evaluation of a high temperature ceramic matrix composite material." Thesis, This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-01312009-063125/.

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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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Books on the topic "Ceramic matrix composite"

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Ceramic matrix composites. 2nd ed. Boston: Kluwer Academic, 2003.

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Ceramic matrix composites. London: Chapman & Hall, 1993.

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

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R, Warren, ed. Ceramic-matrix composites. London: Blackie, 1992.

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M, Sheppard Laurel, and Business Communications Co, eds. Ceramic matrix composites. Norwalk, CT: Business Communications Co., 2000.

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Garshin, Anatoliy, Aleksey Nilov, and Viktor Kulik. Friction fiber-reinforced ceramic-matrix composite materials. ru: INFRA-M Academic Publishing LLC., 2023. http://dx.doi.org/10.12737/1989212.

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The monograph summarizes the results of the analysis of the main features of fiber-reinforced composite materials with a ceramic matrix and fiber fillers used for their reinforcement. The main technological methods of obtaining ceramic-matrix composites based on solid, gas and liquid-phase processes are considered. The results of the assessment of the current state and prospects for the development of friction elements in braking systems of high-energy transport equipment are presented. The main directions of increasing the corrosion, heat and wear resistance of composite materials with a ceramic matrix are considered, as well as evaluation of the physico-mechanical and thermophysical characteristics of composite materials with a ceramic matrix designed to work under conditions of high mechanical and temperature loads and abrasive wear. Recommendations on the selection of friction pairs for brake discs made of composite materials with a ceramic matrix are given. For students, postgraduates and teachers of technical universities and faculties.
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I, Trefilov V., ed. Ceramic- and carbon-matrix composites. London: Chapman & Hall, 1995.

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Hull, David R. Plasma etching a ceramic composite. [Washington, DC]: National Aeronautics and Space Administration, 1992.

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R, Shan Ashwin, and Lewis Research Center, eds. Probabilistic modeling of ceramic matrix composite strength. [Cleveland, Ohio]: National Aeronautics and Space Administration, Lewis Research Center, 1998.

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B, Cantor, Dunne Fionn, Stone Ian, Institute of Physics (Great Britain), and Oxford-Kobe Materials Seminar (3rd : 2000 : Kobe Institute), eds. Metal and ceramic matrix composites: An Oxford-Kobe materials text. Bristol: IOP Pub., 2004.

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Book chapters on the topic "Ceramic matrix composite"

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Chawla, Krishan K. "Ceramic Matrix Composites." In Composite Materials, 249–92. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-0-387-74365-3_7.

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Chawla, Krishan K. "Ceramic Matrix Composites." In Composite Materials, 212–51. New York, NY: Springer New York, 1998. http://dx.doi.org/10.1007/978-1-4757-2966-5_7.

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Chawla, Krishan Kumar. "Ceramic Matrix Composites." In Composite Materials, 134–49. New York, NY: Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4757-3912-1_7.

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Chawla, Krishan K. "Ceramic Matrix Composites." In Composite Materials, 251–96. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-28983-6_7.

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Pramanik, Sumit, Ayan Manna, Ashis Tripathy, and Kamal K. Kar. "Current Advancements in Ceramic Matrix Composites." In Composite Materials, 457–96. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49514-8_14.

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Khaliq, Jibran. "Ceramic Matrix Composites (CMCs)." In Advances in Machining of Composite Materials, 285–309. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71438-3_11.

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Kavimani, V., P. M. Gopal, Titus Thankachan, and K. Soorya Prakash. "Tribological Properties of Ceramic-Reinforced Metal Matrix Composite." In Composite and Composite Coatings, 143–60. New York: CRC Press, 2022. http://dx.doi.org/10.1201/9781003109723-8.

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Kiser, J. Douglas, Kaia E. David, Curtis Davies, Rachael Andrulonis, and Cindy Ashforth. "Updating Composite Materials Handbook-17 Volume 5-Ceramic Matrix Composites." In Ceramic Transactions Series, 413–23. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119407270.ch39.

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Du, Jinguang, Haizhen Zhang, Yongmiao Geng, Wuyi Ming, Wenbin He, Jun Ma, Yang Cao, Xiaoke Li, and Kun Liu. "Machining of Ceramic Matrix Composites." In Advances in Machining of Composite Materials, 311–34. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71438-3_12.

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Ramdani, Noureddine. "Structure and Properties of Polymer Matrix." In Polymer and Ceramic Composite Materials, 1–22. Boca Raton : Taylor & Francis, CRC Press, 2019.: CRC Press, 2019. http://dx.doi.org/10.1201/b22371-1.

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Conference papers on the topic "Ceramic matrix composite"

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Pastor, Michael S., Scott W. Case, and Ken L. Reifsnider. "Durability of Ceramic Matrix Composites." In ASME 1998 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/imece1998-0360.

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Abstract Continuous fiber reinforced ceramic composites are currently being developed as potential retrofit and replacement materials for non-structural hot section components in turbine engines. These materials display many of the beneficial high temperature characteristics of monolithic ceramics while displaying material pseudo ductility resembling durable metals. At present, however, they are very expensive to produce and test. Therefor, the development of reliable analytical techniques to augment the development and testing of these materials would be very beneficial. A damage evolution model for composite materials is presented here as well as the its specialization to a Nicalon™ reinforced SiC composite system. Application of the model to high temperature tensile fatigue and rupture life predictions are also presented. A comparison of predicted to experimental behavior is then finally made.
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Calomino, Anthony, and M. Verrilli. "Ceramic Matrix Composite Vane Subelement Fabrication." In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-53974.

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Vane subelements were fabricated from a silicon carbide fiber reinforced silicon carbide matrix (SiC/SiC) composite and were coated with an environmental barrier coating (EBC). In order to address realistic critical design features of a turbine airfoil, the vane subelement cross section was derived from an existing production aircraft engine vane. A new fabrication technique has been developed at NASA Glenn Research Center that enables ceramic composite vanes to be constructed using stoichiometric SiC fiber in the form of a two dimensional cloth. A unique woven cloth configuration was used to provide a sharp trailing edge with continuous fiber reinforcement. Fabrication of vanes with a sharp trailing edge was considered to be one of the more challenging features for fabricating a ceramic composite vane. The vanes were densified through the chemical vapor infiltration/slurry cast/silicon melt-infiltration process. Both NDE inspection and metallographic examinations revealed that the final as-fabricated composite quality of the vanes was consistent with that typically obtained for the same composite material fabricated into flat panels. Two vane configurations were fabricated. One consisted of a thin wall (1.5 mm) shell with a continuously reinforced sharp trailing edge. The second vane configuration included a reinforcing web bridging the pressure and suction-side vane walls and the same reinforced sharp trailing edge. This paper will discuss the vane fabrication and characterization efforts.
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Brewer, David, Greg Ojard, and Martin Gibler. "Ceramic Matrix Composite Combustor Liner Rig Test." In ASME Turbo Expo 2000: Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/2000-gt-0670.

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The NASA High Speed Research (HSR)/Enabling Propulsion Materials (EPM) program was charged with the responsibility for developing the materials and technologies necessary to meet the High Speed Civil Transport (HSCT) engine requirements. The combustor liner was identified as a critical component for meeting the efficiency and environmental acceptability goals of the HSCT engine. The EPM Ceramic Matrix Composite (CMC) Combustor liner program was tasked with developing and demonstrating a material system and design concept that meets the HSCT environmental, thermal, structural, economic, and durability requirements. Melt Infiltration (MI) SiC/SiC composites were ultimately selected for the combustor liner application. The culmination of this development effort was the delivery and testing of a CMC combustor liner. Testing was performed at NASA Glenn Research Center in the Sector Rig under HSCT operating conditions. The initial results of the rig testing are presented.
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Xue, Yibin, Frank Abdi, Gregory N. Morscher, and Sung Choi. "Non-Destructive Ceramic Matrix Composite Impact Modeling Validation." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-94728.

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Ceramic matrix composite (CMC) materials technology is of fundamental importance to gas turbine engine application. FOD (foreign Object Damage) in CMC components can result in component localized damage and a loss of post-impact performance. CMC impact generates a varying degree of damage from localized surface damage to complete penetration depending on the severity of impact events. Ceramic Composite equivalent electrical properties are computed based on simplified Multi-scale micromechanics equations. Electrical resistance and/or conductivity are computed utilizing the constituent material properties, effective medium, and percolation theories. Ceramic composite electrical properties simulation requires the algorithm development that combines the effective medium and percolation theories. A physically based percolation model is implemented to characterize the effective electrical conductivity of heterogeneous composites by means of the combination of effective medium (EM) and percolation equations with universal exponents. It is shown that the present model correlates well with the experimental electrical resistivity and acoustic emission data. The change in electrical resistivity after impact is compared with test data of a SA-SiC fiber reinforced SiC matrix composite. The predicted damage after impact and the trend of damage volume correlated well with experimental observations of damage shape and reduction in electrical resistance. Thus, an empirical relationship between damage volume and mechanisms and electrical resistance are developed and presented.
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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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Thomas, David J., and Robert C. Wetherhold. "Reliability Analysis of Ceramic Matrix Composite Laminates." In ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1991. http://dx.doi.org/10.1115/91-gt-211.

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At a macroscopic level, a composite lamina may be considered as a homogeneous orthotropic solid whose directional strengths are random variables. Incorporation of these random variable strengths into failure models, either interactive or non-interactive, allows for the evaluation of the lamina reliability under a given stress state. Using a non-interactive criterion for demonstration purposes, laminate reliabilities are calculated assuming previously established load sharing rules for the redistribution of load as the failure of laminae occur. The matrix cracking predicted by ACK theory is modelled to allow a loss of stiffness in the fiber direction. The subsequent failure in the fiber direction is controlled by a modified bundle theory. Results using this modified bundle model are compared with previous models which did not permit separate consideration of matrix cracking, as well as to results obtained from experimental data.
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Qianlin Zhang, Hong Yin, Jiankai Hu, V. M. Levin, R. G. Mayev, and Yuezhen Wei. "Acoustic microscopic study on ceramic matrix composite." In International Conference on Science and Technology of Synthetic Metals. IEEE, 1994. http://dx.doi.org/10.1109/stsm.1994.835758.

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Brewer, David N., Michael Verrilli, and Anthony Calomino. "Ceramic Matrix Composite Vane Subelement Burst Testing." In ASME Turbo Expo 2006: Power for Land, Sea, and Air. ASMEDC, 2006. http://dx.doi.org/10.1115/gt2006-90833.

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Burst tests were performed on Ceramic Matrix Composite (CMC) vane specimens, manufactured by two vendors, under the Ultra Efficient Engine Technology (UEET) project. Burst specimens were machined from the ends of 76mm long vane sub-elements blanks and from High Pressure Burner Rig (HPBR) tested specimens. The results of burst tests will be used to compare virgin specimens with specimens that have had an Environmental Barrier Coating (EBC) applied, both HPBR tested and untested, as well as a comparison between vendors.
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Cramer, K. Elliott, William P. Winfree, Edward R. Generazio, Ramakrishna Bhatt, Dennis S. Fox, and Andrew J. Eckel. "Thermal Diffusivity Imaging of Ceramic Composites." In ASME 1993 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/93-gt-043.

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Strong, tough, high temperature ceramic matrix composites are currently being developed for application in advanced heat engines. One of the most promising of these new materials is a SiC fiber-reinforced silicon nitride ceramic matrix composite (SiCf/Si3N4). The interfacial shear strength in such composites is dependant on the integrity of the fiber’s carbon coating at the fiber-matrix interface. The integrity of the carbon rich interface can be significantly reduced if the carbon is oxidized. Since the thermal diffusivity of the fiber is greater than that of the matrix material, the removal of carbon increases the contact resistance at the interface reducing the thermal diffusivity of the composite. Therefore thermal diffusivity images can be used to characterize the progression of carbon depletion and degradation of the composite. A new thermal imaging technique has been developed to provide rapid large area measurements of the thermal diffusivity perpendicular to the fiber direction in these composites. Results of diffusivity measurements will be presented for a series of SiCf/Si3N4 (reaction bonded silicon nitride) composite samples heat-treated under various conditions. Additionally, the ability of this technique to characterize damage in both ceramic and other high temperature composites will be shown.
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Glance, Paul C., Walter Bryzik, Jayant Mahishi, and Jeff Spehar. "Engine Component Design Methodology for Ceramic and Ceramic-Matrix Composite Materials." In SAE International Congress and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1988. http://dx.doi.org/10.4271/880193.

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Reports on the topic "Ceramic matrix composite"

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Sankar, J., and A. D. Kelkar. 'Mechanical Behavior Investigation of Advanced Ceramic Matrix Composite Materials'. Fort Belvoir, VA: Defense Technical Information Center, February 1995. http://dx.doi.org/10.21236/ada319913.

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R.G. Quinn. Thermal Diffusivity and Conductivity in Ceramic Matrix Fiber Composite Materials - Literature Study. Office of Scientific and Technical Information (OSTI), May 2000. http://dx.doi.org/10.2172/821297.

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Morrison, Jay. Ceramic Matrix Composite Advanced Transition for 65% Combined Cycle Efficiency Turbines - Final Report. Office of Scientific and Technical Information (OSTI), August 2018. http://dx.doi.org/10.2172/1492685.

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White, Kenneth W. Modeling of Failure in Monolithic and Ceramic Matrix Composite Under Static and Cyclic Loading. Fort Belvoir, VA: Defense Technical Information Center, July 2004. http://dx.doi.org/10.21236/ada430835.

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Choi, Sung R., and Donald J. Alexander. Foreign Object Damage by Steel Ball Projectiles in a SiC/SiC Ceramic Matrix Composite at Ambient and Elevated Temperatures. Fort Belvoir, VA: Defense Technical Information Center, April 2008. http://dx.doi.org/10.21236/ada481757.

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Plucknett, K. P., T. N. Tiegs, K. B. Alexander, P. F. Becher, J. H. Schneibel, S. B. Waters, and P. A. Menchhofer. Intermetallic bonded ceramic matrix composites. Office of Scientific and Technical Information (OSTI), July 1995. http://dx.doi.org/10.2172/102180.

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

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Hurley, J. P., and C. R. Crocker. Support Services for Ceramic Fiber-Ceramic Matrix Composites. Office of Scientific and Technical Information (OSTI), June 2000. http://dx.doi.org/10.2172/768818.

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Hurley, J. P. Support Services for Ceramic Fiber-Ceramic Matrix Composites. Office of Scientific and Technical Information (OSTI), June 2000. http://dx.doi.org/10.2172/814089.

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