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intermetallic-matrix composites

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060223
EISBN: 978-1-62708-343-0
... of continuous-fiber-reinforced metal, intermetallic, and ceramic-matrix composites. These are the materials of interest herein. Emphasis is placed on the metallic- and intermetallic-matrix composite systems, which are referred to simply as MMCs. Perhaps the most important thing we have learned to date...
Image
Published: 01 December 2001
Fig. 33 Effect of volume percent fraction of micronsize intermetallic particles and composition of the matrix on the fracture strain of 5 mm (0.2 in.) diam tensile specimens. A 0 is initial cross-sectional area. A f is area of fracture More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2016
DOI: 10.31399/asm.tb.ascaam.t59190vii
EISBN: 978-1-62708-296-9
... Abstract This chapter provides an overview of the microstructure-property relationships associated with aluminum-silicon alloys. It includes information on commercial designations and grades, phase compositions, solidification paths, alloying elements, and intermetallic phases. It also provides...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120131
EISBN: 978-1-62708-269-3
... Abstract This chapter discusses some of the promising developments in the use of titanium, including titanium aluminides, titanium matrix composites, superplastic forming, spray forming, nanotechnology, and rapid solidification rate processing. It also reports on efforts to increase...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000025
EISBN: 978-1-62708-313-3
... Abstract The microstructure of superalloys is highly complex, with a large number of dispersed intermetallics and other phases that modify alloy behavior through their composition, morphology, and distribution. This chapter provides an overview of the most notable phases, including the matrix...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480113
EISBN: 978-1-62708-318-8
..., and ductility as well as creep, fatigue strength, and fatigue crack growth rate. It also discusses the influence of other titanium phases and the properties of titanium-based intermetallic compounds, metal-matrix composites, and shape-memory alloys. alloy composition alpha titanium alloys alpha-beta...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280025
EISBN: 978-1-62708-267-9
... strengths at the expense of reduced creep-rupture capability. The principal precipitate phase in superalloys is γ′. The γ′ phase is an ordered ( L 1 2 ) intermetallic fcc phase having the basic composition Ni 3 (Al, Ti). Alloying elements affect γ′ mismatch with the matrix phase, γ′ APB energy...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310001
EISBN: 978-1-62708-286-0
... significantly restrict dislocation movement and thereby strengthen the matrix. One such precipitate is gamma prime, an intermetallic, ordered, fcc phase with the composition Ni 3 (AlTi). Copper forms the epsilon phase, essentially pure copper, which causes precipitation hardening. The secondary hardening...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170540
EISBN: 978-1-62708-297-6
... matrix. Laves-Phase Alloys Laves-phase alloys include the Tribaloy family of wear resistant materials. Two cobalt-base Laves-type alloy compositions (T-400 and T-800) are listed in Table 3 . In these materials, molybdenum and silicon are added at levels in excess of their solubility limit...
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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170234
EISBN: 978-1-62708-297-6
... Abstract This article discusses the effects of alloying on the properties and behaviors of maraging steels. It describes how maraging steels differ from conventional steels in that they are strengthened, not by carbon, but by the precipitation of intermetallic compounds. It explains how...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480141
EISBN: 978-1-62708-318-8
... by hydrogenating in a sodium hydride bath at 400 °C (750 °F) for 4 h. Etchant: 10%HF-25%HNO 3 , 45%glycerine-20%H 2 O. Original magnification: 500× Matrix In titanium alloys, either the alpha or the beta phase can be the matrix, depending on alloy composition and thermal treatment. The matrix...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170337
EISBN: 978-1-62708-297-6
... Abstract This article discusses the effect of alloying on the composition, structure, properties, and processing characteristics of ordered intermetallic compounds, including nickel aluminides, iron aluminides, and titanium aluminides. It includes several data tables along with a list...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200295
EISBN: 978-1-62708-354-6
... Abstract Nickel-base castings are produced from a group of alloys with compositions that are typically greater than 50% Ni and less than 10% iron. This chapter presents the casting compositions of nickel-base alloys. It then provides an overview of heat treatment, mechanical properties...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030070
EISBN: 978-1-62708-282-2
... an exceptionally low solubility in aluminum and precipitates out during ingot solidification in the form of various insoluble intermetallic phases, commonly referred to as constituent particles. These particles are on the order of a few microns to a few tens of microns in size and have various compositions...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170290
EISBN: 978-1-62708-297-6
... of microstructure and chromium content of nickel-base superalloys The γ′ phase is an ordered ( L 1 2 ) intermetallic fcc phase having the basic composition Ni 3 (Al,Ti). Alloying elements affect γ′ mismatch with the matrix γ phase, γ′ antiphase-domain-boundary (APB) energy, γ′ morphology, and γ′ stability...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310137
EISBN: 978-1-62708-286-0
... in composition that they can be made to transform nearly entirely to martensite by thermal or mechanical treatment. This martensite can then be further hardened by the coherent precipitation of intermetallic compounds, elemental copper, nitrides, or even phosphides. This precipitation hardening can also be made...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550457
EISBN: 978-1-62708-307-2
... Abstract Metal-matrix composites can operate at higher temperatures than their base metal counterparts and, unlike polymer-matrix composites, are nonflammable, do not outgas in a vacuum, and resist attack by solvents and fuels. They can also be tailored to provide greater strength...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230131
EISBN: 978-1-62708-298-3
... Abstract This chapter discusses the properties and applications of beryllium intermetallic compounds. It describes the crystal structure of key beryllides, the metals they contain, and important properties such as high-temperature strength, thermal conductivity and expansion, oxidation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030074
EISBN: 978-1-62708-282-2
... chemical composition, the corrosion behavior also depends on the particular microstructural or metallurgical condition of its matrix. A typical example of this is the behavior of autogenously welded pipes in industrial corrosive applications. Both the weld seam and the wrought matrix from which the weld...