Last edited by Fenrigul
Monday, October 5, 2020 | History

1 edition of Whisker- and fiber-toughened ceramics found in the catalog.

Whisker- and fiber-toughened ceramics

Whisker- and fiber-toughened ceramics

proceedings of an international conference, Oak Ridge, Tennessee, USA, 7-9 June 1988

  • 55 Want to read
  • 34 Currently reading

Published by ASM International in [Metals Park, Ohio] .
Written in English

    Subjects:
  • Ceramic materials -- Congresses.,
  • Fiber-reinforced ceramics -- Congresses.

  • Edition Notes

    Statementedited by R.A. Bradley ... [et al.] ; sponsored by ASM International and Oak Ridge National Laboratory ; endorsed by the American Ceramic Society.
    ContributionsBradley, R. A., ASM International., Oak Ridge National Laboratory., International Conference on Whisker- and Fiber-toughened Ceramics (1988 : Oak Ridge, Tenn.)
    Classifications
    LC ClassificationsTA455.C43 W48 1988
    The Physical Object
    Paginationix, 298 p. :
    Number of Pages298
    ID Numbers
    Open LibraryOL2069647M
    ISBN 100871703335
    LC Control Number88082578

      Whisker reinforcement involves strengthening a hard ceramic matrix with strong, stiff, silicon-carbide crystals, commonly called whiskers. When are dispersed into a matrix of fine-grained aluminum oxide, the whiskers add tensile strength and improve the fracture toughness of the ceramic .   Theoretical and Applied Fracture Mechanics 19 () 61 Elsevier Effect of carbon coating on mechanical strength of SiC whisker-reinforced alumina composites I. Thompson and V.D. Krstic Department of Materials and Metallurgical Engineering, Queen's University, Kingston, Ontario, K7L 3N6 Canada Microstructure and mechanical response of alumina matrix reinforced with carbon coated .

    Phase Diagrams in Advanced Ceramics reviews some of the recent advances inthe understanding of these composite systems, providing insight into how phase diagrams can be utilized in the fabrication of whiskers and ceramic-matrix whisker-reinforced ceramics. Phase relations and sintering information is reviewed for transparent polycrystalline oxides. 4J. R. Porter, " Observation of Non-Steady-State Creep i n S i c Whisker Re-inforced Alumina " ; pp. in Proceedings of " Whisker and Fiber-Toughened Ceramics, " Oak Ridge, TN, June

    The investigation of multi-component complex systems composed of oxides, nitrides, and carbides has intensified in the last few years. Phase Diagrams in Advanced Ceramics reviews some of the recent advances inthe understanding of these composite systems, providing insight into how phase diagrams can be utilized in the fabrication of whiskers and ceramic-matrix whisker-reinforced ceramics. Kandori T, Ukyo Y, Wada S. Whisker and fiber toughened ceramics. Materials Park, OH: ASM International; p. Recent conception on liquid phase sintering.


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Whisker- and fiber-toughened ceramics Download PDF EPUB FB2

Fiber and Whisker Reinforced Ceramics for Structural Applications (Materials Engineering) [Belitskus, David] on *FREE* shipping on qualifying offers. Fiber and Whisker Reinforced Ceramics for Structural Applications (Materials Engineering)Cited by:   "International Conference on Whisker- and Fiber-toughened Ceramics"--Page v.

Description: ix, pages: illustrations ; 28 cm: Responsibility: edited by R.A. Bradley [and others] ; sponsored by ASM International and Oak Ridge National Laboratory ; endorsed by the American Ceramic Society.

Book Description. 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.

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Abstract. The reinforcement of ceramics, such as alumina and mullite, with short, discontinuous SiC whiskers (~ μm diam. × ~30 μ length) has been shown to significantly improve their fracture toughness and strength. 1–4 Equally important is the fact that the excellent fracture toughness and strength are maintained up to temperatures of at least ° by:   The works of Kageyama and Chou [48] on short fiber reinforced CMCs and Sutcu [49] and Thouless and Evans [50] on fiber reinforced ceramics utilized statistical methods to determine fracture toughness, although whisker reinforced BENGISU et al.: WHISKER TOUGHENING IN CERAMIC MATERIALS AIO 6 t-- O B Whisker vol Cited by: Whisker reinforcement of ceramic and glass materials leads to improved toughness along with other mechanical properties.

The most significant toughening mechanisms in whisker reinforced ceramics are crack bridging, whisker pullout, and crack deflection, according to a large number of theoretical and experimental studies.

Another important development in the strength of ceramics is whisker toughening. InDeBoskey & Hahn (5) observed that the addition of sapphire whiskers to Al increased the strength and changed the fracture mode of the ceramic.

The use of short fber i in ceramic and glass matrices was implemented by Sambell et al (6) in   Nor is Whisker particularly interested in pottery marks, although he will occasionally note that a signed piece is known. (These are not illustrated.) Such quibbles are looking a gift horse in the mouth, however, for this is the most comprehensive book on the pottery of Reviews: 1.

Abstract. Typically, engineering ceramics have a controlled composition and higher purity compared to conventional ceramics. Most of the conventional ceramic products such as sanitary ware, tableware, wall tiles, and brick are made from raw materials found in nature.

For example, Liu et al. prepared SiC whisker reinforced zirconia ceramics by flash sintering with 10 wt% whisker; the hardness and fracture toughness of the obtained ceramics were 11 GPa and MPa m 1/2, respectively. Alumina particles can inhibit grain growth at high temperature, thus are widely used as dopant in the sintering of zirconia.

Whisker-reinforced ceramics WA1 ceramic grade has a unique combination of superior wear resistance, toughness and flaking resistance as a result of adding SiC Whiskers to Alumina. WA1 is primarily used in machining continuous cuts of aerospace.

Before describing the techniques for fabricating ceramic matrix composites, we list below some general points that should be considered in selecting the reinforcements and the matrix. Among the items. Machining speeds using the whisker-reinforced ceramic WG material can be increased up to eight times those of uncoated tungsten carbide tools and four times those of coated carbide tools.

The secret of whisker-reinforced ceramics is their ability to withstand high temperatures while maintaining strength and hardness.

Book contents; Processing of Ceramic and Metal Matrix Composites. "MICROSTRUCTURE AND FRACTURE THOUGHNESS OF SILICON NITRIDE COMPOSITES," Proceedings of Whisker and Fiber Toughened Ceramics, Oak Ridge, Tennessee,ASM International, [2] T.

Tiegs, "PROPERTIES OF SiC WHISKER-REINFORCED OXIDE. Whisker-Reinforced Ceramic Product Safety Data Sheet According to Federal Register / Vol. 77, No. 58 / Monday, Ma / Rules and Regulations #FE 05/13/ Page 5 of 5 Whisker-Reinforced Ceramic Product. This is the case with glass-bonded ceramics such as silicon nitride.

At intermediate volume fractions, a deformable network is developed. This is the case for most whisker-reinforced ceramics. A set of mechanistic models has been developed for each of these regions.

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For instance, the addition of SiC whiskers led to substantial enhancements in fracture, slow crack growth, thermal shock, and static/cyclic fatigue resistances of monolithic aluminas. 1–5 The increased toughness in these ceramic composites is derived from the operative toughening mechanisms of fiber/whisker bridging and pullout behind the.

ISBN: OCLC Number: Description: x, pages: illustrations ; 24 cm. Contents: 1. Introduction Properties of Structural Materials Toughening Mechanisms in Ceramic Matrix Composites Mechanical Testing of Ceramic Matrix Composites Fibers and Whiskers for Ceramic Reinforcement Fiber Architecture Selection of Compatible.

@article{osti_, title = {Pressureless sintering of whisker-toughened ceramic composites}, author = {Tiegs, Terry N}, abstractNote = {A pressureless sintering method is disclosed for use in the production of whisker-toughened ceramic composites wherein the sintered density of composites containing up to about 20 vol.

% SiC whiskers is improved by reducing the average aspect ratio of the.Whisker-reinforced ceramics use silicon carbide whiskers (SiCw) to dramatically increase toughness and enable the use of coolant. Whisker-reinforced ceram-ics are ideal for machining Ni-based alloys. CC Other materials Mixed ceramics are particle reinforced through the addition of cubic carbides or carbonitrides (TiC, Ti(C,N))[email protected]{osti_, title = {Pressureless sintering of whisker-toughened ceramic composites}, author = {Tiegs, T N}, abstractNote = {A pressureless sintering method is disclosed for use in the production of whisker-toughened ceramic composites wherein the sintered density of composites containing up to about 20 vol.

% SiC whiskers is improved by reducing the average aspect ratio of the.