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ceramic-matrix composites

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Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290201
EISBN: 978-1-62708-319-5
... powder-binder processing practices are provided for three materials in this chapter. The goal is to incorporate the several topics from prior chapters and apply the concepts to alumina as an oxide ceramic, cemented carbide as a particulate composite, and precipitation-hardened stainless steel as a common...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290251
EISBN: 978-1-62708-319-5
...-binder 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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290001
EISBN: 978-1-62708-319-5
... applications ( Chapter 11 ). Almost any shape can be generated using powder-binder mixtures. The critical question often is which route is most economical. The decision depends on a matrix of factors that forms a decision hierarchy: Discrete components versus continuous products: gears versus rods...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290067
EISBN: 978-1-62708-319-5
... the In Situ Formation of Dispersed Ceramic Phases in the Metal Matrix , Chem. Mater. , Vol 6 , 1994 , p 10 – 12 10.1021/cm00037a003 • Shanefield D.J. , Organic Additives and Ceramic Processing , Kluwer Academic , Boston , 1995 10.1007/978-1-4757-6103-0 • Sohn H.Y. and...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.9781627083195
EISBN: 978-1-62708-319-5
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290169
EISBN: 978-1-62708-319-5
... of grains that remained solid surrounded by solidified liquid. Figure 8.6 is an example micrograph of a liquid-phase-sintered composite consisting of titanium carbide in a tool steel matrix. The solid TiC grains, solidified liquid, and precipitated black carbides are marked. Many other examples...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
... Abstract Ceramic-matrix composites possess many of the desirable qualities of monolithic ceramics, but are much tougher because of the reinforcements. This chapter explains how reinforcements are used in ceramic-matrix composites and how they alter energy-dissipating mechanisms and load...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870573
EISBN: 978-1-62708-314-0
... Abstract This chapter discusses the types of fibers and matrix materials used in ceramic matrix composites and the role of interfacial coatings. It describes the methods used to produce ceramic composites, including powder processing, slurry infiltration and consolidation, polymer infiltration...
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. This...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
.... In ceramic-matrix composites, the objective is often to increase the toughness rather than the strength and stiffness, and a low interfacial strength bond is therefore desirable. The type and quantity of the reinforcement determines the final properties. As shown in Fig. 8.3 , the highest...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550457
EISBN: 978-1-62708-307-2
... commonly used in the manufacture of discontinuously reinforced metal-matrix composites Ceramic Density, g/cm 3 Elastic modulus Knoop hardness Compressive strength Thermal conductivity Coefficient of thermal expansion Specific thermal conductivity, W m 2 /kg K GPa 10 6 psi MPa ksi W/m K...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550299
EISBN: 978-1-62708-307-2
... projected design levels for maximum creep strain in the part. Gamma titanium aluminides also serve as the matrix for titanium-matrix composites. Investment-cast Ti-47Al-2Nb-2Mn (at.%) + 0.8 vol% TiB 2 and Ti-45Al-2Nb-2Mn (at.%) + 0.8 vol% TiB 2 XD (exothermic dispersion) alloys have been developed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550621
EISBN: 978-1-62708-307-2
... data sheet. The lightweight materials covered in this book included metals (aluminum, magnesium, beryllium, titanium, and titanium aluminide), engineering plastics, structural ceramics, and composites (polymer, metal, and ceramic matrix). The following sections give some general guidelines for...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550223
EISBN: 978-1-62708-307-2
... Abstract Titanium is a lightweight metal used in a growing number of applications for its strength, toughness, stiffness, corrosion resistance, biocompatibility, and high-temperature operating characteristics. This chapter discusses the applications, metallurgy, properties, compositions, and...
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: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550325
EISBN: 978-1-62708-307-2
... Chapter 8, “Polymer-Matrix Composites,” in this book. A plastic is a polymeric material composed of molecules made up of many (poly-) repeats of some simpler unit, the mer. All polymers are chemically constructed of repeats of the basic mer unit, which is chemically bonded to others of its kind to...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870537
EISBN: 978-1-62708-314-0
... 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 November 2010
DOI: 10.31399/asm.tb.scm.t52870001
EISBN: 978-1-62708-314-0
... interface. In ceramic matrix composites, the objective is often to increase the toughness rather than the strength and stiffness; therefore, a low interfacial strength bond is desirable. The type and quantity of the reinforcement determine the final properties. Figure 1.2 shows that the highest...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870373
EISBN: 978-1-62708-314-0
... 10.9 8.70 13.4 13.1 Poisson’s ratio 0.28 0.34 0.25 0.27 The largest publicly accessible database for composite materials is the MIL-HNBK-17 series ( Ref 1 to 5 ). Volume 2 contains databases on polymer matrix systems, and Volumes 4 and 5 contain information on metal and ceramic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870183
EISBN: 978-1-62708-314-0
... composites THERMOPLASTIC COMPOSITE FABRICATION PROCESSES are discussed in this chapter. The three main areas covered are consolidation, thermoforming, and joining. The basics of thermoplastic composite materials were discussed in Chapter 3, “Matrix Resin Systems.” References 1...