Download or read book Whisker reinforced Ceramic Matrix Composites with Modified Interfaces written by Todd Eugene Steyer and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Interface Chemistry in Ceramic Matrix Composites written by and published by . This book was released on 1993 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are many possible effects of interface reactions in fiber or whisker reinforced glass or glass ceramic matrix composites. In most cases, interface reactions must be minimized because they can lead to degradation of fiber or whisker strength, destruction of interphase coatings, and modification of the interface adhesion. Nevertheless, there are systems where interface reactions are beneficial. The best example of this is in the NiCALON reinforced glass-ceramic composites where carbon interphases are generated during processing; this carbon interphase facilitates fiber pullout, and thereby, is responsible for the outstanding room-temperature toughness of these materials. There have also been suggestions, although less well documented, that interface reactions can create carbide, nitride and mullite interphases that passivate the interface to subsequent oxidation.

Download or read book Ceramic Matrix Composites written by I M Low and published by Woodhead Publishing. This book was released on 2006-01-25 with total page 633 pages. Available in PDF, EPUB and Kindle. Book excerpt: The advent of engineering-designed polymer matrix composites in the late 1940s has provided an impetus for the emergence of sophisticated ceramic matrix composites. The development of CMCs is a promising means of achieving lightweight, structural materials combining high temperature strength with improved fracture toughness, damage tolerance and thermal shock resistance. Considerable research effort is being expended in the optimisation of ceramic matrix composite systems, with particular emphasis being placed on the establishment of reliable and cost-effective fabrication procedures. Ceramic matrix composites consists of a collection of chapters reviewing and describing the latest advances, challenges and future trends in the microstructure and property relationship of five areas of CMCs. Part one focuses on fibre, whisker and particulate-reinforced ceramic matrix composites, part two explores graded and layered ceramics, while the five chapters in part three cover nanostructured CMCs in some detail. Refractory and speciality ceramic composites are looked at in part four, with chapters on magnesia-spinel composite refractory materials, thermal shock of CMCs and superplastic CMCs. Finally, part four is dedicated to non-oxide ceramic composites. Ceramic matrix composites is a comprehensive evaluation of all aspects of the interdependence of processing, microstructure, properties and performance of each of the five categories of CMC, with chapters from experienced and established researchers. It will be essential for researchers and engineers in the field of ceramics and more widely, in the field of inorganic materials. Looks at the latest advances, challenges and future trends Compiled by experienced and established researchers in the field Essential for researchers and engineers

Download or read book Interfacial Studies of Whisker and Coated Fiber Reinforced Ceramic Matrix Composites written by and published by . This book was released on 1990 with total page 95 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this program are to characterize the interfacial region in a variety of whisker and coated fiber reinforced glass ceramic matrix composites, and to study how the structure, chemistry, and bonding characteristics of the interface influence composite properties such as strength, toughness, and environmental and thermal stability. During the past year, efforts in the whisker composite area were focused on the investigation of whisker coatings such as carbon and BN on LAS glass ceramic matrix composite properties, fabrication and characterization of calcium aluminosicicate (CAS) matrix/SiC whisker composites, high resolution TEM studies of a variety of techniques, and the evaluation of SiC platelets as an alternate reinforcement to whiskers. Efforts in the coated fiber area were focused on the evaluation of yttria and BN coated NICALON fibers from General Atomics. Results of these studies are presented. Keywords: Ceramic composite interfaces, Whisker reinforced glass ceramics, LAS matrix SiC whisker composites, Coated fiber, Glass ceramic composites.

Download or read book Interface of Ceramic Matrix Composites written by Longbiao Li and published by John Wiley & Sons. This book was released on 2020-08-26 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book "Interfaces of Ceramic-Matrix Composites" demonstrates the definition, function and type of the interface of ceramic-matrix composites and gives comprehensive investigations on the interface design, interface characterization, interface assessment, and interface damage law of both C/SiC and SiC/SiC ceramic-matrix composites subjected to tensile and fatigue loading at different testing conditions. Thereby, it helps material designers and engineers to better design ceramic-matrix composite components for applications.

Download or read book Fiber and Whisker Reinforced Ceramics for Structural Applications written by David Belitskus and published by CRC Press. This book was released on 1993-07-19 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examines all important aspects of whisker and fibre reinforced ceramic science and technology, offering a balanced account of developments in the field. The work shows how to improve the strength and stiffness of ceramic composites, at very high temperatures, without brittleness.

Download or read book Fiber Reinforced Ceramic Composites written by K.S. Mazdiyasni and published by William Andrew. This book was released on 1990-12-31 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides the first comprehensive treatment of continuous and discontinuous ceramic fiber and whisker reinforced ceramic composites, written by 29 authorities in the field.

Download or read book Theoretical and Experimental Analysis of the Toughening Behavior of Whisker Reinforcement in Ceramic Matrix Composites written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Analytical solutions are presented describing the experimentally verified toughening of whisker reinforced ceramics. Clear insights are provided into the interrelationships of whiskers, matrices, and interfaces in the case of strong interfaces with minimized whisker pullout.

Download or read book 16th Annual Conference on Composites and Advanced Ceramic Materials Part 2 of 2 Volume 13 Issue 9 10 written by John B. Wachtman and published by John Wiley & Sons. This book was released on 2009-09-28 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is part of the Ceramic Engineering and Science Proceeding (CESP) series. This series contains a collection of papers dealing with issues in both traditional ceramics (i.e., glass, whitewares, refractories, and porcelain enamel) and advanced ceramics. Topics covered in the area of advanced ceramic include bioceramics, nanomaterials, composites, solid oxide fuel cells, mechanical properties and structural design, advanced ceramic coatings, ceramic armor, porous ceramics, and more.

Download or read book Ceramic Matrix Composites written by R. Warren and published by Springer Science & Business Media. This book was released on 1991-12-31 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: By combining the properties and strengths of various materials it is possible to produce a hybrid or composite material with properties ideally suited to a specific application, and this is particularly important for developing new materials for rapidly growing high-technology industries.

Download or read book Ceramic Composites Reinforced with Modified Silicon Carbide Whiskers and Method for Modifying the Whiskers written by and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Silicon carbide whisker-reinforced ceramic composites are fabricated in a highly reproducible manner by beneficating the surfaces of the silicon carbide whiskers prior to their usage in the ceramic composites. The silicon carbide whiskers which contain considerable concentrations of surface oxides and other impurities which interact with the ceramic composite material to form a chemical bond are significantly reduced so that only a relatively weak chemical bond is formed between the whisker and the ceramic material. Thus, when the whiskers interact with a crack propagating into the composite the crack is diverted or deflected along the whisker-matrix interface due to the weak chemical bonding so as to deter the crack propagation through the composite. The depletion of the oxygen-containing compounds and other impurities on the whisker surfaces and near surface region is effected by heat treating the whiskers in a suitable oxygen sparaging atmosphere at elevated temperatures. Additionally, a sedimentation technique may be utilized to remove whiskers which suffer structural and physical anomalies which render them undesirable for use in the composite. Also, a layer of carbon may be provided on the surface of the whiskers to further inhibit chemical bonding of the whiskers to the ceramic composite material.

Download or read book Ceramic Matrix Composites written by Walter Krenkel and published by John Wiley & Sons. This book was released on 2008-09-08 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covering an important material class for modern applications in the aerospace, automotive, energy production and creation sectors, this handbook and reference contains comprehensive data tables and field reports on successfully developed prototypes. The editor and authors are internationally renowned experts from NASA, EADS, DLR, Porsche, MT Aerospace, as well as universities and institutions in the USA, Europe and Japan, and they provide here a comprehensive overview of current R & D with an application-oriented emphasis.

Download or read book Ceramic Composites Reinforced with Modified Silicon Carbide Whiskers written by and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Silicon carbide whisker-reinforced ceramic composites are fabricated in a highly reproducible manner by beneficating the surfaces of the silicon carbide whiskers prior to their usage in the ceramic composites. The silicon carbide whiskers which contain considerable concentrations of surface oxides and other impurities which interact with the ceramic composite material to form a chemical bond are significantly reduced so that only a relatively weak chemical bond is formed between the whisker and the ceramic material. Thus, when the whiskers interact with a crack propagating into the composite the crack is diverted or deflected along the whisker-matrix interface due to the weak chemical bonding so as to deter the crack propagation through the composite. The depletion of the oxygen-containing compounds and other impurities on the whisker surfaces and near surface region is effected by heat treating the whiskers in a suitable oxygen sparaging atmosphere at elevated temperatures. Additionally, a sedimentation technique may be utilized to remove whiskers which suffer structural and physical anomalies which render them undesirable for use in the composite. Also, a layer of carbon may be provided on the surface of the whiskers to further inhibit chemical bonding of the whiskers to the ceramic composite material.

Download or read book Surface Modification and Functionalization of Ceramic Composites written by Rajan Jose and published by Elsevier. This book was released on 2023-03-23 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surface Modification and Functionalization of Ceramic Composites is intended for both experts and beginners, allowing them to have an extended overview of recent progress in the evolution of surface modification methods and functionalization for ceramic composites. The book provides a detailed summary of the various techniques that are currently available, along with an evaluation of the costs involved. Information on the relationship between surface properties and function is also discussed. There is also an additional section on commercial and industrial applications, including biomedical, sensing and energy. The book will be a valuable reference resource for researchers and an instructive and stimulating text for postgraduate students who want to enhance their knowledge on novel materials and surface modification and functionalization of ceramic composites. Extensively covers surface modification and functionalization of ceramic composites A detailed review of the various techniques currently available and an evaluation of costs Covers recent advances and a broad range of different industrial applications

Download or read book Interface Chemical Modification for Property Control of Oxide Reinforced Ceramic Matrix Composites written by and published by . This book was released on 2000 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Air Force requirements for high temperature structural materials include applications in aircraft afterburner and in propulsion systems. Ceramic matrix composites are candidate materials systems for several types of these applications. In the effort to develop composites for high temperature structural applications attention has turned towards oxide-oxide systems. The objective of this project is to systematically investigate the segregation behavior and high temperature stability of complex oxides. The project has an experimental and a theoretical component. The approach combines Auger electron spectroscopy (AES), Rutherford backscattering spectrometry (RBS) and scanning probe microscopies (STM, AFM), along with conventional transmission and scanning electron microscopies (TEM, SEM) to characterize surface and interface composition. The theoretical approach emphasizes a coherent model of segregation that connects statistical mechanics and first principles calculations. This work is in collaboration with the R. Kerans and the Ceramics Group at Wright Patterson Air Force Base.

Download or read book Ceramic Matrix Composites written by Krishan K. Chawla and published by Springer Science & Business Media. This book was released on 2013-11-27 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: After an introductory chapter, the processing, microstructure, and properties of various ceramic materials, reinforcements, and their composites are described. A separate chapter is devoted to processing of ceramic reinforcements, with a special emphasis on fibers. Processing of ceramic matrix composites is the next chapter, which includes novel techniques such as sol-gel processing and ceramics from polymeric precursors. The next four chapters cover the subjects of interface region in ceramic composites, mechanical and physical properties, and the role of thermal stresses and the important subject of toughness enhancement. Laminated composites made of ceramics are described in a separate chapter. Finally, a chapter is devoted to various applications of ceramic matrix composites. Throughout the text, the underlying relationships between the components of the triad: processing, microstructure, and properties are brought out. An exhaustive list of references and suggested reading is provided.

Download or read book High Temperature Mechanical Behaviour of Ceramic Composites written by Shanti Nair and published by Butterworth-Heinemann. This book was released on 1995-05-15 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction; Interfaces; Residual stresses; Fibre properties; Matrix cracking in unidirectional materials; Matrix cracking in 2-D materials; Stress redistribution; Fatigue, creep, challenges and opportunities.