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eutectic reactions

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Published: 01 January 1997
Fig. 1 Aluminum-copper phase diagram illustrating the eutectic reaction More
Image
Published: 01 December 2008
Fig. 18 The transition from a peritectic to a eutectic reaction as a function of chromium and molybdenum content in a stainless steel containing 11.9% Ni More
Image
Published: 01 December 2004
Fig. 47 The transition from a peritectic to a eutectic reaction as a function of chromium and molybdenum content in a stainless steel containing 11.9% Ni. Source: Ref 33 More
Image
Published: 01 December 2004
Fig. 16 Binary phase diagrams. L, L 1 , and L 2 are liquid solutions. α and β are solid solutions. (a) Complete solid solubility. (b) Partial solid solubility with eutectic reaction. (c) Partial solid solubility with peritectic reaction. (d) Partial solid solubility with monotectic reaction More
Image
Published: 01 December 2004
Fig. 1 Schematic binary phase diagrams of solidification from liquid (L) to solid solutions (α or β). (a) With eutectic reaction with invariant point, E . (b) With peritectic reaction with invariant point, P , where alloys between II and III first solidify to α crystals and then transform More
Image
Published: 31 August 2017
Fig. 15 Binary phase diagrams. (a) Complete solid solubility. (b) Partial solid solubility with eutectic reaction. L, liquid solution; α and β, solid solutions More
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005212
EISBN: 978-1-62708-187-0
... of solidification and chemical modification of the aluminum-silicon eutectic. aluminum-silicon eutectic system microstructure phase diagram solidification aluminum-silicon system THE ALUMINUM-SILICON EUTECTIC REACTION has been the subject of intense interest ever since Pacz introduced aluminum...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006334
EISBN: 978-1-62708-179-5
... or graphite, starts precipitating. Usually when austenite develops first, the arrest is long enough, because it is necessary for some amount of austenite precipitation to enrich the liquid in carbon and arrive to further bulk eutectic reaction. However, when graphite precipitates first, only small amounts...
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006227
EISBN: 978-1-62708-163-4
... Another three-phase reaction of the eutectic class is the monotectic, in which one liquid phase decomposes with decreasing temperature into a solid phase and a new liquid phase: L 1 → α + L 2 ( monotectic   reaction ) Over a certain composition range, the two liquids ( L 1...
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006226
EISBN: 978-1-62708-163-4
...Abstract Abstract Similar to the eutectic group of invariant transformations is a group of peritectic reactions, in which a liquid and solid phase decomposes into a solid phase on cooling through the peritectic isotherm. This article describes the equilibrium freezing and nonequilibrium...
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
... through a series of configurations, finally taking on the more familiar shape shown in Fig. 2(b) . The three-phase reaction that takes place at the invariant point, E , where a liquid phase freezes into a mixture of two solid phases, is called a eutectic reaction (from the Greek word for “easily melted...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005217
EISBN: 978-1-62708-187-0
..., shows that the formation of austenite and the eutectic reaction occur at a temperature well below the liquidus and the eutectic temperatures, respectively. The reason for this depends on the nucleation and growth of the crystals in the liquid. In this article, this effect is analyzed, and the use...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006299
EISBN: 978-1-62708-179-5
... s is the fraction solid, and df s / dT is the fraction of solid formed upon temperature decrease. The fraction of solid then is found by numerical integration of the experimental curve. The volume fraction solidified during the eutectic reaction, region III, at time t can be calculated...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003734
EISBN: 978-1-62708-177-1
... or a crystalline solid. When the parent phase is liquid, invariant transformations are classified as follows: Eutectic transformation ( Fig. 1a ): An isothermal reversible reaction when a liquid solution of two or more elements is converted into two or more intimately mixed solids upon cooling. The number...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003124
EISBN: 978-1-62708-199-3
... and peritectic reactions are discussed in the following paragraphs, and phase diagrams for aluminum alloys are included in the Section “Structure and Properties of Metals” in this Handbook and in Volume 3 of the ASM Handbook. The eutectic reaction is illustrated by the aluminum-copper system ( Fig. 10...
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
..., namely, the tie line and the tie triangle. Eutectic System with Three-Phase Equilibrium An example of three-phase equilibrium in a ternary system with a eutectic reaction is shown in Fig. 20 . One of the binary systems involved in this ternary system is isomorphous; the other two...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002462
EISBN: 978-1-62708-194-8
.../property relationships that are used to make specific properties available to the designers of structural applications. It provides examples of phase diagrams that illustrate eutectic and peritectic reactions. aluminum beryllium chemical properties cobalt copper eutectic reactions magnesium...
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
...: aluminum-copper and aluminum-silicon; binary peritectic systems: copper-zinc; multicomponent eutectic systems: Al-Si-Cu-Mg; and for systems with both eutectic and peritectic reactions: Fe-C-Cr and nickel-base superalloy. microsegregation nickel-base superalloy solute redistribution equilibrium...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003085
EISBN: 978-1-62708-199-3
... of the system, as discussed in the section on “Thermodynamics and Phase Diagrams,” which appears later in this article. Eutectic Reactions If the two-phase field in the solid region of Fig. 5 is expanded so it touches the solidus at some point, as shown in Fig. 6 (a), complete miscibility...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005214
EISBN: 978-1-62708-187-0
... reaction will become a eutectic reaction if the chromium content is increased to 20% or more. This transition is also influenced by the molybdenum content, as shown in Fig. 18 . Fig. 18 The transition from a peritectic to a eutectic reaction as a function of chromium and molybdenum content...