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intermetallic compound

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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 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.t61170234
EISBN: 978-1-62708-297-6
...Abstract 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...
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 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 June 2008
DOI: 10.31399/asm.tb.emea.t52240041
EISBN: 978-1-62708-251-8
... heating. 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480051
EISBN: 978-1-62708-318-8
... showing the temperature-composition in which Ti 3 Al and TiAl are stable Fig. 3.26 Creep behavior of a number of terminal high-temperature titanium alloys and the intermetallic compounds Ti 3 Al and TiAl, showing the enhanced creep behavior of the intermetallics, particularly the equiatomic TiAl...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480113
EISBN: 978-1-62708-318-8
... silicon carbide (SiC) fibers via chemical vapor deposition Fig. 6.34 Microstructure mechanical properties in Ti-47.5Al-2.5V-1Cr (γ). Refer to Table 6.12 . Fig. 6.33 Creep behavior of a number of terminal high-temperature titanium alloys and the intermetallic compounds Ti 3 Al and TiAl...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480141
EISBN: 978-1-62708-318-8
... as well as spheroidal and intergranular beta, alpha case, and intermetallic compounds. It also defines important terms and provides step-by-step procedures for preparing titanium for metallographic analysis. References References 7.1 Murray J.L. , Phase Diagrams of Binary Titanium Alloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090135
EISBN: 978-1-62708-266-2
..., tungsten, niobium, or tantalum. Other intermetallic compounds that are detrimental to corrosion or SCC resistance include the ordered Ni 4 Mo that forms in the commercial Ni-Mo alloy in the temperature range of 800 to 650 °C (1470 to 1200 °F) and the Ni 2 Cr ordered particles that form in commercial Ni-Cr...
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
...Symbols Table I.1 Symbols Symbol Description α Hexagonal close-packed (hcp) crystal structure in Ti-base alloys α′ Solute-lean, hcp, martensite α″ Solute-rich, orthorhombic, martensite α-2 Ordered intermetallic compound near Ti 3 Al in Ti-Al alloys β Body-centered...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230179
EISBN: 978-1-62708-298-3
... of these phases. The two elements 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480031
EISBN: 978-1-62708-318-8
..., with additional atoms located on the tetrahedral positions [1/4, 1/4, 1/4] of the cube); hcp, hexagonal close-packed Some intermetallic compounds found in titanium alloys Table 2.4 Some intermetallic compounds found in titanium alloys Ti 3 Al, TiAl, TiAl 3 TiBe TiCr 2 Ti 2 Co Ti 2...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280025
EISBN: 978-1-62708-267-9
... 7 C 3 (rare) in virtually 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170540
EISBN: 978-1-62708-297-6
... C 6 ) Molybdenum, tungsten Solid-solution strengtheners, carbide former (M 6 C), intermetallic compound (Co 3 M) Tantalum, niobium Solid-solution strengtheners, carbide former (MC) and (M 6 C), intermetallic compound (Co 3 M) Aluminum Oxidation resistance, intermetallic compound (CoAl...
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
...), 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550299
EISBN: 978-1-62708-307-2
... in their production. 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...
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 March 2012
DOI: 10.31399/asm.tb.pdub.t53420015
EISBN: 978-1-62708-310-2
... a chemical compound, often with some degree of covalent or ionic bonding present. For example, strongly electropositive magnesium will combine with weakly electropositive tin to form Mg 2 Sn, which is often described as being an intermetallic compound. Between these two extremes of substitutional solid...
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
... 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 structures causes strain hardening of the part ( Fig. 4a...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630081
EISBN: 978-1-62708-270-9
... decreases Intermetallic compound embrittlement All steel Exposure to metal that forms an intermetallic compound Brittleness Neutron embrittlement All steel Neutron irradiation Increase in DBTT Hydrogen embrittlement Cold-worked or heat-treatment-hardened steel Processing, service, corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820169
EISBN: 978-1-62708-339-3
... solubility of the two metals, the joint can usually be made successfully. If there is little or no solubility between the two metals to be joined, the weld joint will not be successful. The intermetallic compounds that are formed between the dissimilar metals must be investigated to determine their crack...