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ceramic whiskers

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Published: 01 October 2012
Fig. 11.7 Fracture surface of a SiC whisker-reinforced Al 2 O 3 ceramic. Note hexagonal voids or holes due to whisker pull-out upon fracture. Original magnification: 950×. Source: Ref 11.3 More
Image
Published: 01 November 2012
Fig. 9 Rising R -curve of a SiC whisker-reinforced alumina-ceramic-matrix composite, measured by the double-cantilever beam technique. Adapted from Ref 8 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
... either during fabrication or in service. Even a very small crack can quickly grow to critical size, leading to sudden failure. While reinforcements such as fibers, whiskers, or particles are used to strengthen polymer- and metal-matrix composites, reinforcements in ceramic-matrix composites are used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870573
EISBN: 978-1-62708-314-0
.... Carbon-carbon (C-C), carbon fiber reinforced plastic (CFRP), ceramic matrix composite (CMC), carbon-silicon carbide (C-SiC), glass-ceramic matrix composite (GCMC), metal matrix composite (MMC), silicon-aluminum-oxygen-nitrogen (SIALON) While reinforcements such as fibers, whiskers, or particles...
Image
Published: 01 October 2012
Fig. 11.23 Scanning electron micrograph of a hybrid composite consisting of SiC fibers (Nicalon) and whiskers in a glass-ceramic matrix. Source: Ref 11.11 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550457
EISBN: 978-1-62708-307-2
... nonferrous alloy, and the reinforcement consists of high-performance carbon, metallic, or ceramic additions. Reinforcements, either continuous or discontinuous, may constitute from 10 to 70 vol% of the composite. Continuous fiber or filament (f) reinforcements include graphite, silicon carbide (SiC), boron...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240607
EISBN: 978-1-62708-251-8
.... There are some limited uses for discontinuously reinforced MMCs but almost no current applications for continuously reinforced MMCs. The matrix phase of an MMC is a monolithic alloy, usually a low-density nonferrous alloy, and the reinforcement consists of high-performance carbon, metallic, or ceramic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870537
EISBN: 978-1-62708-314-0
... for discontinuously reinforced MMCs but almost no current applications for continuously reinforced MMCs. In an MMC, the matrix phase is a monolithic alloy, usually a low-density nonferrous alloy, and the reinforcement consists of high-performance carbon, metallic, or ceramic additions. Metal matrix composites can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260187
EISBN: 978-1-62708-336-2
... containing up to 25% by volume of alumina. Other MMCs available for extrusion can be produced by more costly processes, such as powder metallurgy and can contain higher reinforcement levels, either as ceramic in particulate form or as short whiskers. MMCs produced by the P/M process can have enhanced...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550001
EISBN: 978-1-62708-307-2
... Abstract Engineers have many materials to choose from when dealing with weight-related design constraints. The list includes aluminum, beryllium, magnesium, and titanium alloys as well as engineering plastics, structural ceramics, and polymer-, metal-, and ceramic-matrix composites...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870179
EISBN: 978-1-62708-299-0
... not obtainable from the individual constituents is well known. In an MMC, the continuous, or matrix, phase is a monolithic alloy, and the reinforcement consists of high-performance carbon, metallic, or ceramic additions. Most of the commercial work on MMCs has focused on aluminum as the matrix metal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610327
EISBN: 978-1-62708-303-4
... mechanical properties, corrosion/oxidation resistance, or electrical, optical, and/or magnetic properties. This group includes many monolithic ceramics as well as particulate-, whisker-, and fiber-reinforced glass-, glass-ceramic-, and ceramic-matrix composites. The classification of advanced ceramics...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290251
EISBN: 978-1-62708-319-5
... rolling; literally everywhere there is a similar flow restriction in the shaping step. Fig. 11.1 A powder-binder system with embedded fibers or whiskers undergoes alignment during flow through a constricted channel. Similar ideas apply to metal or ceramic-matrix composites, where fibers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060163
EISBN: 978-1-62708-355-3
... Fig. 1 Specimen configurations for direct tensile testing of advanced ceramics. (a) Flat plate or “dog-bone” direct tensile specimen with large ends for gripping and reduced gage section. (b) Cylindrical tensile specimen with straight ends for collet grips and reduced gage section. Tapers...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290165
EISBN: 978-1-62708-306-5
... of joints that benefit the overall mechanical properties of the joined assembly. Soldering and brazing can be applied to a wide variety of materials, including metals, ceramics, plastics, and composite materials. For many materials, and plastics in particular, it is necessary to apply a surface...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550511
EISBN: 978-1-62708-307-2
... mechanical properties, corrosion/oxidation resistance, or electrical, optical, and/or magnetic properties. This group includes many monolithic ceramics as well as particulate-, whisker-, and fiber-reinforced glass-, glass ceramic-, and ceramic-matrix composites. The classification of advanced ceramics...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290111
EISBN: 978-1-62708-319-5
.... This enhances pore size uniformity for filtration. For this reason, CIP is widely applied to shapes from cemented carbides, tool steels, stainless steels, and ceramics. Fig. 6.3 Filter tubes fabricated by using cold isostatic pressing. A few of the tubes have solid end caps welded in place. 6.4 Die...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550621
EISBN: 978-1-62708-307-2
... Abstract This chapter consists of three parts. The first part provides data and guidelines for selecting materials and processing routes. It compares the basic properties of metals, ceramics, and polymers, identifies important measures of performance, and discusses manufacturing processes...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740213
EISBN: 978-1-62708-308-9
..., and toughness of the tools without seriously degrading their chemical stability. The Al 2 O 3 -TiC ceramics are employed on a wide range of workpiece materials, including cast iron, steel, and nickel-base superalloys. Silicon carbide (SiC) whisker-reinforced Al 2 O 3 (Al 2 O 3 -SiC W ) ceramics, developed...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290193
EISBN: 978-1-62708-319-5
... reduces the design strength by a safety factor. All materials result in higher strength for smaller samples, thus the frequently quoted “stronger-than-steel” statement. In reality, even steel is much stronger as the sample size decreases. Iron whiskers fabricated at 1.6 μm diameter have a tensile...