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orthorhombic alloys

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550299
EISBN: 978-1-62708-307-2
...-aluminum phase diagram, focusing on the properties, compositions, and microstructures of alpha-2 Ti3Al alloys. It then describes the properties, microstructures, and compositions of orthorhombic, gamma, and near-gamma alloys as well as the processing methods and procedures normally used in their production...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120131
EISBN: 978-1-62708-269-3
..., the orthorhombic intermetallic alloys show promise of reaching the Inconel 718 goal. Figure 14.2 compares several orthorhombic titanium intermetallics with Alloy 718 and some alpha-2 alloys. Fig. 14.1 Comparison of the creep behavior of titanium aluminides with conventional titanium alloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2016
DOI: 10.31399/asm.tb.ascaam.t59190035
EISBN: 978-1-62708-296-9
... Abstract Structurally differentiated intermetallic phases are important constituents in the microstructure of aluminum alloys, with the potential to influence properties, behaviors, and processing characteristics. These phases can form in aluminum-silicon alloys with transition metals (Fe, Mn...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480075
EISBN: 978-1-62708-318-8
... martensite-start (M s ) temperature of binary alloys. Tantalum has the least effect, while iron depresses the M s at the greatest rate. These rates correlate with strengthening in beta-stabilized systems. Two types of athermal titanium martensite are hexagonal α′ (alpha prime) and orthorhombic α...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120139
EISBN: 978-1-62708-269-3
... orthorhombic (O) phase. The O-phase alloys appear to improve fracture toughness and creep resistance. Semicommercial and experimental alloys are under development for possible high-temperature applications. Gamma (Ti-Al) aluminide alloys, UNS: none, Ti-Al intermetallics can be classified generally as...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310001
EISBN: 978-1-62708-326-3
... Abstract The building block of all matter, including metals, is the atom. This chapter initially provides information on atomic bonding and the crystal structure of metals and alloys, followed by a description of three crystal lattice structures of metals: face-centered cubic, hexagonal close...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060013
EISBN: 978-1-62708-261-7
... hexagonal close-packed systems solid-solution alloys solidification ON A SATURDAY MORNING in 1906 somewhere in Germany, Dr. Alfred Wilm designed an experimental Al-Cu-Mg alloy and then heat treated it. Before lunch, Dr. Wilm asked his assistant, Jablonski, to run a quick hardness test on the alloy to...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310351
EISBN: 978-1-62708-326-3
... Abstract The term heat treatable alloys is used in reference to alloys that can be hardened by heat treatment, and this chapter briefly describes the major types of heat treatable nonferrous alloys. The discussion provides a general description of annealing cold-worked metals and describes some...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170351
EISBN: 978-1-62708-297-6
... Abstract This article discusses the composition, structures, properties, and behaviors of aluminum alloys and explains how they correspond to specific alloying elements. It begins with an overview of the general characteristics of wrought and cast aluminum alloys, the four-digit classification...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060333
EISBN: 978-1-62708-261-7
... Abstract Nonferrous alloys are heat treated for a variety of reasons. Heat treating can reduce internal stresses, redistribute alloying elements, promote grain formation and growth, produce new phases, and alter surface chemistry. This chapter describes heat treatment processes and how...
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
... Abstract When a metal is alloyed with another metal, either substitutional or interstitial solid solutions are usually formed. This chapter discusses the general characteristics of these solutions and the effects of several alloying elements on the yield strength of pure metals. It presents...
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
... Abstract This article discusses the composition, structure, and properties of iron-nickel-, nickel-, and cobalt-base superalloys and the effect of major alloying and trace elements. It describes the primary and secondary roles of each alloying element, the amounts typically used, and the...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410621
EISBN: 978-1-62708-265-5
... found in tool steels ( Ref 24.3 ). The crystal structures of the carbides are described in detail by Jack and Jack ( Ref 24.15 ). Table 24.3 Characteristics of alloy carbides found in tool steels Type of carbide Lattice type Remarks M 3 C Orthorhombic This is a carbide of the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430027
EISBN: 978-1-62708-253-2
... Abstract This chapter describes the metallurgy, composition, and properties of steels and other alloys. It provides information on the atomic structure of metals, the nature of alloy phases, and the mechanisms involved in phase transformations, including time-temperature effects and the role of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120095
EISBN: 978-1-62708-269-3
... Abstract This chapter examines the process, structure, and property relationships in titanium alloys. It provides information on microstructures and strengthening mechanisms, the role of alloy and interstitial elements, and the effect of composition, processing, and surface treatments on...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280025
EISBN: 978-1-62708-267-9
... Abstract This chapter describes the metallurgy of superalloys and the extent to which it can be controlled. It discusses the alloying elements, crystal structures, and processing sequences associated with more than a dozen phases that largely determine the characteristics of superalloys...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410017
EISBN: 978-1-62708-265-5
... and could exist alone only in an alloy at that composition, in contrast to ferrite or austenite, which may exist as single phases over a range of alloy carbon content. Cementite is orthorhombic, with lattice parameters a = 0.452 nm (4.52 Å), b = 0.509 nm (5.09 Å), and c = 0.674 nm (6.74 Å). Its...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420143
EISBN: 978-1-62708-310-2
..., hypoeutectoid, and hypereutectoid structures and how they are affected by the addition of various alloying elements. The chapter also discusses the formation of peritectoid structures in the uranium-silicon alloy system. eutectoid structures eutectoid transformation hypereutectoid structures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420303
EISBN: 978-1-62708-310-2
... stacking faults within the martensite plates. Titanium, zirconium, hafnium, and lithium alloys generally transform from bcc (β phase) to hcp structures, although fcc and orthorhombic martensite structures have been reported in some titanium and zirconium alloys. Lath morphologies have been observed in some...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170210
EISBN: 978-1-62708-297-6
... Characteristics of alloy carbides found in tool steels Type of carbide Lattice type Remarks M 3 C Orthorhombic This is a carbide of the cementite (Fe 3 C) type, M, maybe Fe, Mn, Cr with a little W, Mo, V. M 7 C 3 Hexagonal Mostly found in Cr alloy steels. Resistant to dissolution at higher...