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binary isomorphous systems

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Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005215
EISBN: 978-1-62708-187-0
... that control microsegregation are discussed in relation to the manifestations of microsegregation in simple and then increasingly complex alloy systems. The measurement and kinetics of microsegregation are discussed for the binary isomorphous systems: titanium-molybdenum; binary eutectic systems: aluminum...
Image
Published: 01 December 2004
Fig. 4 Freezing curve of an idealized solid-solution alloy in a binary isomorphous system. (a) The solid-solution phase (α) is a homogeneous solid at all compositions in this idealized isomorphous system. (b) When the alloy solidifies under equilibrium conditions, phase compositions can More
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006224
EISBN: 978-1-62708-163-4
... compositions of the phases present, and the amounts of phases present. Phase diagrams provide useful information for understanding alloy solidification. The article provides two simple models that can describe the limiting cases of solidification behavior. alloy solidification binary isomorphous systems...
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006231
EISBN: 978-1-62708-163-4
... single-phase boundary line ternary isomorphous systems ternary phase diagram zero-phase fraction line TERNARY SYSTEMS are those having three components. It is not possible to describe the composition of a ternary alloy with a single number or fraction, as was done with binary alloys...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003723
EISBN: 978-1-62708-177-1
... concentration. For example, Fig. 4 ( Ref 2 ) shows a simplified phase diagram for a hypothetical binary system with two elements, A and B. This particular type of phase diagram is that of an isomorphous system, in that elements A and B are somewhat similar to each other in terms of crystal structure, atomic...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006263
EISBN: 978-1-62708-169-6
... in the β phase. Equilibrium Phase Relationships Figure 1 shows a schematic β-isomorphous equilibrium phase diagram typical of the binary alloy systems, such as titanium molybdenum (Ti-Mo), titanium-vanadium (Ti-V), titanium-niobium (Ti-Nb), or titanium-tantalum (Ti-Ta). The following examples...
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006221
EISBN: 978-1-62708-163-4
... exist as a solid, liquid, and/or gas, depending on the specific combination of temperature and pressure. It describes the accomplishment of conversion between weight percentage and atomic percentage in a binary system by the use of formulas. The article analyzes the effects of alloying on melting...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006253
EISBN: 978-1-62708-169-6
.... 8 ) is an example of an isomorphous beta-stabilized system. There are several important features in this diagram: The titanium beta phase is isomorphous with niobium; both have the bcc crystal structure. As a result, this type of system is referred to as beta isomorphous. Other binary systems...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005206
EISBN: 978-1-62708-187-0
... the Gibbs energy to the phase diagram, as illustrated in Fig. 1 . The Gibbs energy functions of three phases, liquid (l), α, and β, are plotted as functions of the concentration, x B ( x A + x B = 1 for a binary system) for various fixed temperatures. The minimum of the Gibbs energy is given...
Book Chapter

Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006225
EISBN: 978-1-62708-163-4
.... The article describes the aluminum-silicon eutectic system and the lead-tin eutectic system. It discusses eutectic morphologies in terms of lamellar and fibrous eutectics, regular and irregular eutectics, and the interpretation of eutectic microstructures. The article examines the solidification of a binary...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001338
EISBN: 978-1-62708-173-3
... Supercooling) The solidification of an alloy is much more complex than that of a pure metal, whether in a weld pool or in a casting. Figure 3 shows a simple binary isomorphous phase diagram. The temperatures of the liquidus and solidus lines of Fig. 3 can be approximated by straight lines...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.9781627081771
EISBN: 978-1-62708-177-1
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003800
EISBN: 978-1-62708-177-1
... prescribed conditions, binary alloy. Any speci c composition in a bi- and h is the Bragg angle. See also order (in x- the carbon concentration in a steel. nary system. ray re ection). carbon restoration. Replacing the carbon lost in the surface layer during previous process- binary system. The complete...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006287
EISBN: 978-1-62708-169-6
.... Important examples are Mg 2 Si and MgZn 2 . Among a number of other phases of this type, which may be found occasionally in commercial aluminum alloys, are CaSi 2 , Mg 2 Pb, Mg 2 Sn, and TiB 2 . In quaternary systems, intermetallic phases of the binary and ternary subsystems are occasionally isomorphous...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005332
EISBN: 978-1-62708-187-0
... ternary or quaternary. However, lead is nearly or entirely insoluble in the solid alloys and thus has little or no effect on alloy phase relationships within the Cu-Sn-Zn system. Therefore, from a practical point of view, the alloys of this group can be considered as binary or ternary, with or without...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003728
EISBN: 978-1-62708-177-1
...) may be classified in two groups: β isomorphous type that form binary systems ( Fig. 1b ) and those that favor formation of a β eutectoid ( Fig. 1c ). However, the eutectoid reactions in a number of alloys are very sluggish so that, in practice, the alloys tend to behave as if this reaction did...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001416
EISBN: 978-1-62708-173-3
... Abstract This article focuses on the physical metallurgy and weldability of four families of titanium-base alloys, namely, near-alpha alloy, alpha-beta alloy, near-beta, or metastable-beta alloy, and titanium based intermetallics that include alpha-2, gamma, and orthorhombic systems...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006503
EISBN: 978-1-62708-207-5
... of the respective binary and ternary systems are occasionally isomorphous, forming continuous series of solid solutions in equilibrium with aluminum solid solution. An important example is the Al-Cu-Mg-Zn quaternary system, where there are three such pairs: CuMg 4 Al 6 + Mg 3 Zn 3 Al 2 , Mg 2 Zn 11 + Cu 6 Mg 2 Al...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003769
EISBN: 978-1-62708-177-1
...-silicon system ( Fig. 6 ) is a simple eutectic system with a eutectic composition of 12.6 wt% Si and a maximum solid solubility of 1.65 wt% Si (1.5 at.%) at the eutectic temperature of 577 °C (1071 °F). In the binary aluminum-silicon system, under the nonequilibrium conditions of casting, the volume...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006311
EISBN: 978-1-62708-179-5
... with low carbon content (<3.5% C, i.e., steels and cast irons poor in carbon) are microscopically homogeneous. Liquid iron-carbon alloys with high carbon (>3.5% C, i.e., cast irons rich in carbon) are colloidal-dispersed systems with carbon clusters in liquid solution. The nature of the carbon...