1-20 of 275 Search Results for

decomposition

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
Image
Published: 01 March 2012
Fig. 9.16 Regions of spinodal decomposition and classical nucleation and growth of precipitates. (a) Phase diagram with a miscibility gap. (b) Variation in free energy with composition for the system shown in (a) at temperature T ′. Source: Ref 9.9 as published in Ref 9.10 More
Image
Published: 01 March 2012
Fig. 9.22 Phase decomposition for the Fe-30Mo (at.%). (a) Two-dimensional time development. (b) Three-dimensional simulation. Source: Ref 9.13 as published in Ref 9.10 More
Image
Published: 01 November 2007
Fig. 4.4 Phase diagram analysis of the decomposition of 0.4 and 0.95% C austenite on cooling to the pearlite temperature, 727 °C (1340 °F) More
Image
Published: 01 November 2007
Fig. 4.23 Austenite decomposition products for plain carbon steels during isothermal transformation (quenching and holding) at various temperatures below A 1 More
Image
Published: 01 October 2011
Fig. 9.7 Temperature-time plot of pearlite decomposition by the competing mechanisms of spheroidization and graphitization in carbon and low-alloy steels. The curve for spheroidization is for conversion of one-half of the carbon in 0.15% C steel to spheroidal carbides. The curve More
Image
Published: 01 December 1996
Fig. 9-1 Schematic illustration of the effect of the decomposition of austenite during cooling on the transformation products present after quenching More
Image
Published: 01 December 1996
Fig. 9-34 (a) Variation of the beginning and ending times of the decomposition of austenite at 663°C with applied tensile stress. (b) Shift of the isothermal transformation curves as a function of the applied stress. (From E. Gautier, A. Simon, and G. Beck, in Proc. ICOMAT , Nara, Japan (Aug More
Image
Published: 01 December 1996
Fig. 9-46 Calculated start curve of the decomposition of austenite upon continuous cooling for 4068 steel. (From same source as Fig. 9-45 ) More
Image
Published: 01 January 1998
Fig. 8-3 IT diagram for decomposition of austenite in an L-type tool steel containing 1.01% C, 0.50% Mn, 0.30% Si, and 1.21% Cr. Specimens were austenitized for 30 min at 815 °C (1500 °F). Source: Ref 3 More
Image
Published: 01 January 1998
Fig. 8-12 Isothermal decomposition of austenite at room temperature in an L2 steel, containing 1.0% C, 1.56% Cr, and 0.20% V, after different quenching treatments. Specimens quenched to temperatures above room temperature were held at temperature for 5 min and air cooled. Source: Ref 13 More
Image
Published: 01 December 2003
Fig. 3 Illustration of the ammonia molecule 2NH 3 and its decomposition More
Image
Published: 01 December 2008
Fig. 6.9 The uphill diffusion in the spinodal decomposition. When A-B is strongly repulsive, the diffusion coefficient will take a negative value. (a) The phase diagram. (b) The change in structure and composition. (c) The free energy and the diffusion coefficient More
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
... of cooling, and goes on to identify the most common superlattice structures and their corresponding alloy phases. It also discusses the factors that limit the formation of superlattices along with the kinetics of spinodal decomposition and its effect on microstructure development. antiphase boundaries...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220193
EISBN: 978-1-62708-259-4
...Abstract Abstract Heat treatment is the most common way of altering the mechanical, physical, and even chemical properties of steels. This chapter describes the changes that occur in carbon and low-alloy steels during conventional heat treatments. It explains how austenite decomposition largely...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310055
EISBN: 978-1-62708-326-3
...Abstract Abstract The decomposition of austenite, during controlled cooling or quenching, produces a wide variety of microstructures in response to such factors as steel composition, temperature of transformation, and cooling rate. This chapter provides a detailed discussion on the isothermal...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320005
EISBN: 978-1-62708-347-8
.... It addresses the processes involved in the transformation (decomposition) of austenite to achieve various microstructures. austenite transformation iron-carbon phase diagram melting point steel HEATING PURE IRON to its melting point and then allowing it to cool slowly results in an idealized time...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560283
EISBN: 978-1-62708-291-4
... of carbide precipitation, the decomposition of retained austenite, and recovery and recrystallization. It also includes images that reveal the characteristic structures produced by tempering medium-carbon hypoeutectoid and hypereutectoid steels as well as the effects of plastic deformation, austenitic grain...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1996
DOI: 10.31399/asm.tb.phtpclas.t64560003
EISBN: 978-1-62708-353-9
...Abstract Abstract This chapter describes the two types of Time-Temperature-Transformation (TTT) diagrams used and outlines the methods of determining them. As a precursor to the examination of the decomposition of austenite, it first reviews the phases and microconstituents found in steels...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240053
EISBN: 978-1-62708-251-8
... the concept of free energy that governs whether or not a phase transformation is possible, and then the kinetic considerations that determine the rate at which transformations take place. The chapter also describes important solid-state transformations such as spinodal decomposition and martensitic...
Image
Published: 01 August 2018
to the ferrite decomposition, and finer grains, between the larger ones, formed as a product of the ferrite decomposition reaction. (See also Fig. 16.37 , SEM evaluation). Etchant: Beraha II. Courtesy of M. Martins. Source: Ref 26 More