1-20 of 286 Search Results for

phase stability diagram

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080147
EISBN: 978-1-62708-304-1
... Major phases Minor phases 316 Fe 2 O 3 NiCr 2 O 4 , M 3 O 4 800 NiFe 2 O 4 , Cr 2 O 4 Fe 2 O 3 825 Cr 2 O 3 , NiCr 2 O 4 … 600 Cr 2 O 3 , NiFe 2 O 4 … 601 Cr 2 O 3 M 3 O 4 617 Cr 2 O 3 M 3 O 4 625 Cr 2 O 3 M 3 O 4 690 Cr 2 O 3 , Fe 2 O 3 M 3 O 4...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480075
EISBN: 978-1-62708-318-8
... of the beta phase and correspondingly decreases the amount of alpha phase. This is accompanied by a decrease in the alloy content in the beta phase. Fig. 4.2 Partial titanium-vanadium phase diagrams at 0 and 6% Al. The addition of aluminum, an alpha stabilizer, raises the beta transus temperature...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220101
EISBN: 978-1-62708-259-4
... stabilizing elements are silicon, chromium, phosphorous, molybdenum, vanadium, titanium, niobium, and aluminum (pure aluminum, for instance, is FCC in the solid state). Fig. 7.7 Fe-Cr equilibrium phase diagram. Adding chromium to iron reduces the range of temperatures in which the FCC phase is stable...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080201
EISBN: 978-1-62708-304-1
... Fig. 7.44 The test environment in terms of p O 2 and p S 2 potentials at 600 °C in CO-32H 2 -3.8CO 2 -0.2H 2 S is plotted as an equilibrium condition (identified as ″E″) and a nonequilibrium (NE) is plotted in the phase-stability diagram. Source: Ref 79 Fig. 7.45 Corrosion...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080067
EISBN: 978-1-62708-304-1
... h. Source: Ref 43 Fig. 4.2 Standard free energy of formation for selected nitrides. Source: Ref 10 Fig. 4.3 Phase stability diagram for Fe-18Cr-Ni-N system at 900 °C (1650 °F). Source: Ref 11 Fig. 4.4 Phase stability diagram for the Ni-Cr-N system as a function...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420289
EISBN: 978-1-62708-310-2
... steels? In other words, can standard chromium-nickel stainless steels be replaced with an austenitic alloy system? The answer came in two stages—in both instances with the help of phase diagrams. It was first determined that manganese should be capable of replacing nickel because it stabilizes the γ-iron...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480051
EISBN: 978-1-62708-318-8
... interstitial elements increase strength and decrease ductility of titanium. Fig. 3.10 The titanium-niobium phase diagram. This beta-stabilized system is typical of the beta-isomorphous type. Both titanium and niobium have a body-centered cubic crystal structure. Fig. 3.11 The titanium-iron...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410579
EISBN: 978-1-62708-265-5
...-nickel (Fe-Ni) equilibrium phase diagram ( Fig. 23.3 ) shows that with sufficient nickel, austenite is stable at all temperatures above room temperature. In binary iron-nickel alloys, approximately 30 wt% Ni is required to completely stabilize austenite, partly because close to room temperature...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420231
EISBN: 978-1-62708-310-2
... they are driven by Gibbs energy changes. It plots the energy of formation for many important metal oxides and explains how to construct isothermal stability diagrams to analyze complex reactions involving metals, alloys, and gases containing more than one reactive component. gas-metal systems isothermal...
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
... on the Fe-C phase diagram is whether the eutectoid temperature (indicated by the horizontal line at 727 °C, or 1340 °F, in Fig. 3.1 ) is raised or lowered by an alloying addition. Austenite stabilizers lower the eutectoid temperature and thereby expand the temperature range over which austenite...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140133
EISBN: 978-1-62708-264-8
.... , Isothermal Transformation, Hardening and Tempering of 12% Chromium Steel , Trans. ASM , Vol 44 , 1952 , p 164 13.10. Hillert M. , Prediction of Iron-Base Phase Diagrams , Hardenability Concepts with Applications to Steel , Doane D.V. and Kirkaldy J.S. , Ed., Metallurgical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120013
EISBN: 978-1-62708-269-3
... cooled at 25 °C (77 °F); then aged. Fig. 3.13 Phase diagram schematics for beta-stabilized alloys (a) beta isomorphous and (b) beta eutectoid Fig. 3.11 Effect of cooling rate on the microstructure of an alph-beta alloy (Ti-6Al-4V). (a) α′ + β; prior beta grain boundaries. (b) Primary...
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 1583 °C (2880 °F). Fig. 15.6 Binary phase diagram of beryllium-calcium. Source: Itkin et al. 1987 Figure 15.7 . Cobalt is one of the elements that stabilizes body centered cubic beryllium, with a maximum solubility of 6 at.% or 28 wt% Co. The maximum solubility of cobalt in hexagonal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430027
EISBN: 978-1-62708-253-2
... of pure iron 3.2.2 Iron-Carbon Diagram and Microstructure Development The behavior of steels can be better understood with the help of a phase diagram known as the iron-carbon diagram. The phase diagram of an alloy is a graphical representation of the distribution of various phases as a function...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480141
EISBN: 978-1-62708-318-8
.... Fig. 7.1 Partial phase diagram of the alpha-stabilized system. The alpha-stabilizing elements are aluminum, germanium, gallium, carbon, oxygen, and nitrogen. Fig. 7.29 Ti-14Al-21Nb bar. SEM micrograph shows equiaxed Ti 3 Al phase and an acicular Ti 3 Al + beta phase after processing near...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420191
EISBN: 978-1-62708-310-2
... system is representative of the effect of a ferrite stabilizer ( Fig. 10.37 ). At temperatures just below the solidus, body-centered cubic (bcc) chromium forms a continuous solid solution with bcc (δ) ferrite. At lower temperatures, the γ-iron phase appears on the iron side of the diagram and forms...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420263
EISBN: 978-1-62708-310-2
... approach Gibbs energy phase diagrams phase equilibria PHASE DIAGRAMS have traditionally been determined purely by experimentation, which is costly and time consuming. While the experimental approach is feasible for the determination of binary and simple ternary phase diagrams, it is less efficient...
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
... the same phase stability. The omnipresent carbon and nitrogen have an effect 30 times that of nickel, so even in the small amounts in which they are normally present, they have a significant effect. These stabilizing factors are mapped in the Schaeffler diagram of Fig. 2 ( Ref 1 ), whose purpose...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480113
EISBN: 978-1-62708-318-8
... of CermeTi material, TiC reinforcement. (b) Parts fabricated from this material. Courtesy of Dynamet Technology Inc. Fig. 6.32 Titanium-aluminum phase diagram showing the temperature-composition in which TiAl, Ti 3 Al, and TiAl 3 are stable. Fig. 6.35 The manufacture of continuous...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310055
EISBN: 978-1-62708-326-3
... equilibrium phase diagram of steels and affects the eutectoid reaction by changing the eutectoid temperature of the effective carbon content of the eutectoid (see Fig. 30 and 31 in Chapter 1 ). Alloying elements can be generally classified as either austenite stabilizers or ferrite stabilizers, each...