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intermetallic compounds

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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...
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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2016
DOI: 10.31399/asm.tb.ascaam.t59190035
EISBN: 978-1-62708-296-9
... compounds. ( Fig. 2.1 ). Fig. 2.1 Binary equilibrium diagram containing two metals: an intermetallic compound (line compound) and an intermetallic phase (line compounds or in metal alloys–intermetallic compounds) More of the complex phases in the metallic alloys are assigned to the non...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240041
EISBN: 978-1-62708-251-8
.... It describes the intermediate phases that are formed during solidification between the two extremes of substitutional solid solution on the one hand and intermetallic compound on the other. The chapter concludes with a section on strain aging in low-carbon steels that allows the interstitial atoms to diffuse...
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.t54480051
EISBN: 978-1-62708-318-8
... alloying. It then describes the different classes of alloying elements, their effect on mechanical properties and behaviors, and their influence on phase transitions and transformations. The chapter also discusses the role of intermetallic compounds and their effect on crystal structure and creep behavior...
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 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480141
EISBN: 978-1-62708-318-8
..., properties, and performance. It includes images of elongated and equiaxed structures, primary alpha, transformed beta, and metastable phases as well as spheroidal and intergranular beta, alpha case, and intermetallic compounds. It also defines important terms and provides step-by-step procedures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550299
EISBN: 978-1-62708-307-2
.... alpha-2 alloys gamma alloys orthorhombic alloys titanium aluminides ALLOYS based on ordered intermetallic compounds constitute a unique class of metallic material that form long-range ordered crystal structures ( Fig. 6.1 ) below a critical temperature, generally referred to as the critical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480031
EISBN: 978-1-62708-318-8
... distinct phases observed in alloys are solid solutions and intermetallic compounds. Intermetallic compounds are usually hard and strong with a more or less definite composition. Solid solutions can be of the interstitial type or the substitutional type. To be of the interstitial type, solute atoms must...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090135
EISBN: 978-1-62708-266-2
...-Molybdenum Alloys , Int. Met. Rev. , Vol 29 , 1984 , p 210 5.13 Wernik H.J. , Topologically Close Packed Structures , Intermetallic Compounds , John Wiley and Sons , 1967 5.14 Fayman Y.C. , γ - γ′ Partitioning Behavior in Waspaloy , Mater. Sci. Eng. , Vol 82 , 1986 , p...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230179
EISBN: 978-1-62708-298-3
... have no mutual solid solubility. Fig. 15.4 Binary phase diagram of beryllium-boron. Source: Okamoto and Tanner 1988 Figure 15.5 . This system has one intermetallic compound with the stoichiometry BeBa 13 , which melts congruently at 1807 ± 50 °C (3285 ± 90 °F). There may...
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
... also have the effect, at still lower temperatures, of promoting intermetallic compounds generally composed of iron, chromium, and some of those alloying elements. These are discussed separately. Metals are effective solvents in both the liquid and solid states. An important part of steelmaking...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120331
EISBN: 978-1-62708-269-3
... α″ Solute-rich, orthorhombic, martensite α-2 Ordered intermetallic compound near Ti 3 Al in Ti-Al alloys β Body-centered cubic (bcc) crystal structure in Ti-base alloys β′ Solute-lean β-phase β″ Solute-rich β-phase γ Intermetallic compound (generic) in Ti-alloy binary phase...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280025
EISBN: 978-1-62708-267-9
... all superalloy types; gamma prime (γ′) fcc ordered Ni 3 (Al,Ti); gamma double prime (γ″) bct ordered Ni 3 Nb; eta (η) hexagonal ordered Ni 3 Ti; and the delta (δ) orthorhombic Ni 3 Nb intermetallic compounds in nickel- and iron-nickel-base superalloys. The γ′, γ″, and η phases also are known...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170540
EISBN: 978-1-62708-297-6
.... Table 4 Effects of alloying elements in cobalt-base heat resistant alloys Element Effect (a) Chromium Oxidation and sulfidation resistance, carbide former (M 7 C 3 and M 23 C 6 ) Molybdenum, tungsten Solid-solution strengtheners, carbide former (M 6 C), intermetallic compound (Co 3 M...
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
..., Ti), γ″ bct (body-centered tetragonal) ordered Ni 3 Nb, η hexagonal ordered Ni 3 Ti, and δ orthorhombic Ni 3 Nb intermetallic compounds in nickel- and iron-nickel-base superalloys. The superalloys derive their strength from solid-solution hardeners and precipitated phases. Principal strengthening...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420171
EISBN: 978-1-62708-310-2
... distinguishes intermediate phases from primary solid solutions, which are based on pure metals. Some intermediate phases can accurately be called intermetallic compounds, when, like Mg 2 Pb, they have a fixed simple ratio of the two kinds of atoms. However, many intermediate phases that exist over a range...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000025
EISBN: 978-1-62708-313-3
... a number of secondary phases. These secondary phases include fcc carbides, ordered fcc γ′, ordered body-centered tetragonal (bct) γ″, ordered hexagonal η, ordered orthorhombic intermetallic compounds, and many others, although not all phases are present in all superalloys. A summary of all of the major...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170003
EISBN: 978-1-62708-297-6
.... Then, as the temperature is further decreased, the excess atoms try to unite with atoms of the base metal to form small regions of intermetallic compound . Although these regions have a different crystal structure than the base metal, the two crystal structures remain coherent , and the mismatch between the two lattice...