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microstructure evolution

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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
... Abstract This article describes the integration of thermodynamic modeling, mobility database, and phase-transformation crystallography into phase-field modeling and its combination with transformation texture modeling to predict phase equilibrium, phase transformation, microstructure evolution...
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: 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: 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...
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...
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: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005459
EISBN: 978-1-62708-196-2
... Abstract This article summarizes the general features of microstructure evolution during the thermomechanical processing (TMP) of nickel-base superalloys and the challenges posed by the modeling of such phenomena. It describes the fundamentals and implementations of various modeling...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009002
EISBN: 978-1-62708-185-6
... Abstract This article reviews the general aspects of microstructure evolution during thermomechanical processing. The effect of thermomechanical processing on microstructure evolution is summarized to provide insight into the aspect of process design. The article provides information on hot...
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. 1 Microstructure evolution during annealing of cold-worked (rolled) aluminum Al-Mg1. Strength: R p0.2 ; elongation: A 50mm ; and H2 x tempers. RT, room temperature More
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Published: 31 October 2011
Fig. 9 Schematic representation of the heat-affected zone microstructure evolution during welding of duplex stainless steels. Source: Ref 1 , 33 More
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Published: 31 October 2011
Fig. 11 Schematic diagrams showing the microstructure evolution during multistage thermal processing of Al-Mg-Si alloys involving heat treatment and welding. AA, artificial aging; W, welding; PWHT, postweld heat treatment. The outer boundary of the heat-affected zone is indicated More
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Published: 01 December 2009
Fig. 10 Monte Carlo-predicted dependence of microstructure evolution. (a) Initially wrought material. (b) After 100 Monte Carlo steps (MCS), assuming identical nuclei orientations and a mobility of the special boundaries which was the same as that for nonspecial boundaries. (c) After 100 MCS More
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Published: 01 December 2009
Fig. 15 Comparison of microstructure evolution during recrystallization of commercially pure titanium cold rolled to a 60% thickness reduction and then annealed at 600 °C (1110 °F). (a) Experimental observations. (b) Monte Carlo predictions. MCS, Monte Carlo steps. Source: Ref 42 More
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Published: 01 December 2009
Fig. 16 Vertex model predictions of microstructure evolution from the initial configuration (a) to the final pinned state (d) for the case of a banded distribution of particles. Source: Ref 34 More
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Published: 01 December 2004
Fig. 1 Classification of computational models for microstructure evolution based on mathematical method and calculation outcome. Source: Ref 1 More
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Published: 01 December 2004
Fig. 9 Model output of microstructure evolution of eutectic spheroidal graphite iron during solidification. (a) Solidification fraction ( f s ) = 0.24. (b) f s = 0.55. (c) f s = 0.72. (d) f s = 0.99. Length of each square = 200 μm. Source: Ref 17 More
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Published: 31 August 2017
Fig. 9 Flowchart for calculating microstructure evolution and latent heat released in macroscopic-microscopic modeling of casting solidification More
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Published: 31 August 2017
Fig. 15 Three-dimensional (3-D) simulated microstructure evolution during divorced eutectic solidification of a spheroidal graphite iron. (a) Solid fraction ( f s ) = 0.24. (b) f s = 0.55. (c) f s = 0.99. (Images taken at the center of a 3-D calculation domain). Source: Ref 63 More