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microstructural evolution

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Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004027
EISBN: 978-1-62708-185-6
... Abstract The systematic study of microstructural evolution during deformation under hot working conditions is important in controlling processing variables to achieve dimensional accuracy. This article explains the microstructural features that need to be modeled and provides an outline...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005414
EISBN: 978-1-62708-196-2
... Abstract Computer simulation of microstructural evolution during hot rolling of steels is a major topic of research and development in academia and industry. This article describes the methodology and procedures commonly employed to develop microstructural evolution models to simulate...
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Published: 01 June 2016
Fig. 18 Microstructural evolution during texture-controlled grain growth obtained by phase field simulation of a two-dimensional system consisting of 27% initially randomly distributed texture component. τ is reduced time. (a) τ = 250. (b) τ = 500. (c) τ = 750. (d) τ = 1000. Source: Ref 37 More
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Published: 01 June 2016
Fig. 34 Phase field simulations (in two dimensions) of microstructural evolution during α precipitation via the precursory-spinodal mechanism in Ti-33wt%Mo at 600 °C (1110 °F); (a) to (c) concentration field in gray scale, with dark shade representing low molybdenum concentration; (d) to (f More
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Published: 01 January 2005
Fig. 22 Time-temperature profile and corresponding microstructural evolution in thermomechanical controlled rolling (adapted from Yoshie et al. Ref 63 ) More
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Published: 01 January 2005
Fig. 10 Microstructural evolution during recrystallization simulated using a hybrid Monte Carlo-Potts cellular automaton model; the white grains are recrystallized. Source: Ref 23 More
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Published: 01 December 2009
Fig. 25 Flow-chart for modeling microstructural evolution More
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Published: 01 December 2004
Fig. 26 Microstructural evolution of chipped AZ91D magnesium feedstock during melting. (a) Macroscopic view of chips removed from a crucible. (b) Equiaxed grain structure in bonded chips. (c) Initial chip melting with an equiaxed grain structure. (d) Spheroidal morphology containing 22 More
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Published: 01 December 2004
Fig. 27 Microstructural evolution of dendritic AZ91D magnesium feedstock during melting. (a) Macroscopic view of pellets removed from a crucible. (b) Equiaxed grain structure in bonded pellets. (c) Equiaxed grain structure during initial melting. (d) Spheroidal morphology containing 26% solid More
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Published: 30 August 2021
Fig. 16 Microstructural evolution during high-temperature creep damage. (a) Initial ferrite plus pearlite. (b) In situ spheroidized carbide. (c) Grain-boundary carbides. (d) Creep voids. Original magnification: 200× More
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Published: 01 December 2009
Fig. 25 Time-temperature profile and corresponding microstructural evolution in thermomechanical controlled rolling. Adapted from Ref 91 More
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Published: 01 December 2009
Fig. 1 Potts model simulation of the microstructural evolution of a silicon steel. Grains that are part of a <110> fiber parallel to the sheet normal, within 15° of the <110> axis, are shown in light gray; <111> fiber grains are shown in white; and <100> fiber grains More
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Published: 01 December 2009
Fig. 2 Microstructural evolution of an initially random distribution of spins on a two-dimensional square lattice using the Potts model, periodic boundary conditions, metropolis spin dynamics, and kT s = 0.5. The initial configuration of spins was set by allocating each lattice a random More
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Published: 30 November 2018
Fig. 6 Schematic illustration of the microstructural evolution during cold rolling, including the strong increase in lattice dislocation density at small strains, the appearance of microshear bands aligned with the {100} planes and shear bands at moderate strains, and full subdivision More
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Published: 01 November 2010
Fig. 20 Microstructural evolution in a γ+β (left) /γ (right) diffusion couple of Ni-Al-Cr annealed at 1200 °C for 100 h. The top figure is a micrograph ( Ref 72 ), while the bottom one is obtained by phase-field simulation of this work More
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005599
EISBN: 978-1-62708-174-0
... Abstract This article focuses on the general internal state variable method, and its simplification, for single-parameter models, in which the microstructure evolution may be treated as an isokinetic reaction. It explains that isokinetic microstructure models are applied to diffusional...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005406
EISBN: 978-1-62708-196-2
... Abstract This article focuses on the intermediate length scales, where transport phenomena govern the spatial and temporal evolution of a structure. It presents the cellular automaton (CA) and phase field (PF) methods that represent the state of the art for modeling macrostructure...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005218
EISBN: 978-1-62708-187-0
... morphology evolution, solute transport, and various process phenomena at spatiotemporal resolutions. It discusses the three viable imaging techniques made available by synchrotron radiation for the real-time investigation of solidification microstructures in alloys. These include two-dimensional X-ray...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005409
EISBN: 978-1-62708-196-2
... Abstract This article focuses on the modeling of microstructure evolution during thermomechanical processing in the two-phase field for alpha/beta and beta titanium alloys. It also discusses the mechanisms of spheroidization, the coarsening, particle growth, and phase decomposition in titanium...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006304
EISBN: 978-1-62708-179-5
... growth defects hypereutectic iron hypoeutectic cast iron lamellar graphite liquid transformation microstructure nucleation solid transformation solidification spheroidal graphite CAST IRON is a binary iron-carbon or a multicomponent Fe-C- X alloy that is rich in carbon and exhibits...