1-20 of 234 Search Results for

continuous cooling transformation diagrams

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 Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003195
EISBN: 978-1-62708-199-3
... transformation diagrams, and continuous cooling transformation diagrams. The primary design criteria for heat treating of steels this article covers are the minimization of distortion and undesirable residual stresses. The article presents the theoretical and empirical guidelines to understand sources of common...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005922
EISBN: 978-1-62708-166-5
... Tamura ( Ref 23 ), if the cooling rate is interrupted at the midway of quenching, for example, point O , then the overall cooling process proceeds at different cooling rates from υ 1 to υ 4 , and the shape and position of the conventional continuous cooling transformation (CCT) diagrams will be shifted...
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
... of simplified and differential thermal analysis. The article explains how to determine the liquidus and solidus temperatures by using cooling curves. differential thermal analysis phase diagram solidification thermal analysis quantitative thermal analysis THERMAL ANALYSIS is a classical...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004029
EISBN: 978-1-62708-185-6
... distinct sets of texture development mechanisms: Austenite (face-centered cubic, or fcc) deformation (during hot rolling) Austenite recrystallization (during and after hot rolling) The gamma-to-alpha transformation (on cooling after rolling) Ferrite (body-centered cubic, or bcc) deformation...
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
... hypothetical case wherein the rates of heating and cooling are infinitely slow, where the two observations of temperature would coincide at the equilibrium transformation temperature. Nevertheless, phase diagrams are instrumental in predicting phase transformations and their resulting microstructures. True...
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006222
EISBN: 978-1-62708-163-4
... transformations and free energy, as well as kinetics of phase transformations. It concludes with a description of solid-state phase transformations that occur when one or more parent phases, usually on cooling, produces a phase or phases. free energy intermediate phases interstitial solid solutions...
Book Chapter

Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005783
EISBN: 978-1-62708-165-8
... air around each tube as it cools. Continuous furnaces should have at least two zones: one for heating and one for soaking. Cooling facilities should be ample so that uniform cooling can proceed until complete transformation has occurred. If tubes are packed or bundled during cooling from a high...
Book Chapter

Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006229
EISBN: 978-1-62708-163-4
... article describes the order-disorder transformation that typically occurs on cooling from a disordered solid solution to an ordered phase. It provides a table that lists selected superlattice structures and alloy phases that order according to each superlattice. The article informs that spinodal...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003085
EISBN: 978-1-62708-199-3
... each other) in the solid form, thus forming a continuous solid solution. When this occurs in a binary system, the phase diagram usually has the general appearance of that shown in Fig. 3 . The diagram consists of two single-phase fields separated by a two-phase field. The boundary between the liquid...
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
... thermodynamics and phase diagrams established by Gibbs. The thermodynamic quantities that are most frequently used in materials science are the enthalpy, in the form of the heat content of a phase, the heat of formation of a phase, or the latent heat of a phase transformation; the heat capacity, which...
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
... interact isothermally on cooling to form one new phase, or conversely, on heating, one phase decomposes isothermally into three new phases. The four-phase equilibrium diagram with the peritectic reaction is illustrated in Fig. 33 . Three phases, α, β, and L, located at the corners of a horizontal...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006277
EISBN: 978-1-62708-169-6
... number of Burgers correspondence variants and orientation variants. The article also includes calculation of the transformation strain with contributions from defect structures developed at alpha/beta interfaces as a precipitates grow in size. In the CALculation of PHAse Diagram (CALPHAD) framework, the...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006272
EISBN: 978-1-62708-169-6
... Abstract This article discusses the various methods for evaluating the quench sensitivity of aluminum alloys, namely, time-temperature-property diagrams, the quench factor analysis, the Jominy end-quench method, and continuous-cooling precipitation diagrams. It briefly describes the procedures...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005780
EISBN: 978-1-62708-165-8
... transformation in a lead bath, aqueous polymer solution, and controlled fog-cooling method. The patenting of carbon steel in higher-concentration aqueous CMC solutions is similar to a continuous cooling transformation. The pearlite-type transformation is completed in a higher temperature range before the wire...
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
... liquid. The rate of the peritectic transformation is influenced by the diffusion rate and the extension of the β-phase region in the phase diagram. If the diffusion rate is small, the peritectic transformation will be negligible compared to the peritectic reaction. During continuous cooling, this...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005810
EISBN: 978-1-62708-165-8
... processing characteristics of the heat treating equipment employed. It is also based on the hardenability and transformation characteristics of the steel alloy as indicated by time-temperature-transformation and isothermal-transformation diagrams. The article contains tables that compare the dimensional...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005967
EISBN: 978-1-62708-166-5
... continuous cooling transformation diagram crystal structure decarburization dimensional change grain size grinding heat treatment machining mechanical cracking microcracks microsegregation nonmetallic inclusions phase transformation process design quench distortion quenchants quenching...
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
... extension of the β phase region in the phase diagram. If the diffusion rate is small, the peritectic transformation will be negligible compared to the peritectic reaction. During continuous cooling, this diffusional growth is affected by precipitation from the liquid and from the primary α or by dissolution...
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
...-65% Cu. As noted, equilibrium phase diagrams are constructed to reflect extremely slow cooling rates that approach equilibrium conditions. Heating and cooling occur more rapidly in practical applications, so the atoms do not have enough time to reach equilibrium conditions. Transformations may...
Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006228
EISBN: 978-1-62708-163-4
... at an invariant point on the phase diagram of an alloy, where the initial (parent) phase may be either a liquid or a crystalline solid. Solid-state invariant reactions are a category of heterogeneous phase transformations that involve moving reaction boundaries and phase separation. Invariant...