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cellular precipitation

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Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005432
EISBN: 978-1-62708-196-2
... Abstract This article examines how cellular automaton (CA) can be applied to the simulation of static and dynamic recrystallization. It describes the steps involved in the CA simulation of recrystallization. These include defining the CA framework, generating the initial microstructure...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005210
EISBN: 978-1-62708-187-0
... the columnar and equiaxed microstructures. The formation of cellular and dendritic structures in one- and two-phase structures is presented with emphasis on the effect of processing conditions and composition on the selection of microstructure and microstructure scales. microsegregation...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005236
EISBN: 978-1-62708-187-0
... and applications of phase field method and cellular automaton method for modeling the direct evolution of structure at the intermediate length scales, where transport phenomena govern the spatial and temporal evolution of the structure that involves nucleation and growth. casting cellular...
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 and...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006266
EISBN: 978-1-62708-169-6
..., quenching, coating diffusion, and precipitation. It describes the three general strengthening mechanisms, namely, solid-solution hardening, age hardening, and carbide precipitation. The article summarizes the typical heat treatment of the general families of nickel-base castings used in industrial...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006250
EISBN: 978-1-62708-169-6
... referred to as recovery. One such property is electrical resistivity, as illustrated in Fig. 10 . The cellular arrangement of the dislocations, compared to that of the cold-worked condition, increases the mean free path of the electrons and lowers the resistance. During recovery, dislocations also may be...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005673
EISBN: 978-1-62708-198-6
..., martensitic stainless steels, ferritic stainless steels, precipitation-hardening stainless steels, and duplex stainless steels. It contains a table lists common medical device applications for stainless steels. The article discusses the physical metallurgy, and physical and mechanical properties of the...
Book Chapter

Series: ASM Handbook
Volume: 3
Publisher: ASM International
Published: 27 April 2016
DOI: 10.31399/asm.hb.v03.a0006225
EISBN: 978-1-62708-163-4
... as grain boundaries, or cellular precipitation where precipitation begins at grain-boundary polymorphs but does not continue through the entire grain. An example of typical precipitation in aluminum alloys is shown in Fig. 24 . The difference between discontinuous and continuous precipitation in...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003120
EISBN: 978-1-62708-199-3
... spheroidal γ′, cellular versus uniform precipitation, acicular versus blocky σ, and discrete γ′ versus γ′ envelopes. Typical nickel-base superalloy microstructures as they evolved from spheroidal to cuboidal γ′ are depicted in Fig. 11 . Fig. 11 Qualitative description of the evolution of...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006261
EISBN: 978-1-62708-169-6
... observed in overaged Inconel 718. It forms by cellular reaction at low aging temperatures and by intragranular precipitation at high aging temperatures. Eta (η) Ni 3 Ti (with solubility for other elements) This hexagonal close-packed (D0 24 ) phase may form after extended exposure in iron-nickel...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005425
EISBN: 978-1-62708-196-2
... mechanism-based models, such as those designed to predict phase equilibria (e.g., Calphad), recrystallization and grain growth (Monte Carlo and cellular-automaton techniques), and precipitation and solidification problems (e.g., phase-field methods). The successful implementation of these newer techniques...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006285
EISBN: 978-1-62708-169-6
... recrystallization may occur, whereas in the former, recovery only is used to achieve the required properties, accomplished by substructural changes in dislocation density and rearrangement into cellular patterns (polygonization). Bendability and formability of an alloy annealed to an H2-type temper generally are...
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
... of microstructure evolution. cellular automata dynamic recovery grain growth hot working microstructure evolution microstructure evolution modeling Monte-Carlo techniques plastic flow recrystallization static recovery texture evolution models thermomechanical processing IN...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005666
EISBN: 978-1-62708-198-6
.... Implant debris is known to cause local inflammation, local osteolysis, and, in some cases, local and systemic hypersensitivity. Concerns persist about implant debris inducing systemic carcinogenic and/or cellular toxicity. Macrophages are part of the innate immune system that is dedicated to phagocytosing...
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
... advantage to reduce the grayness. These involve probabilistic methods such as Monte Carlo-Potts (MC-P) or cellular automata (CA) in which the consequences of using certain selection rules for the evolution of a microstructure can be computed and pictorially represented for comparison with observed...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005665
EISBN: 978-1-62708-198-6
... injuries in various organs, from brain to heart, kidney, immune system, and eyes. Chromium, cobalt, iron, nickel, and vanadium lead to oxidative stress when cellular antioxidants are overwhelmed by ROS, whereas titanium seems to have a different mechanism of toxicity. This article aims to highlight...
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
... Values of n in Avrami equation Type of transformation Value of n Cellular Constant rate of nucleation 4 Zero rate of nucleation 3 Nucleation at grain edges 2 Nucleation at grain boundaries 1 Precipitation Particle growing from small dimensions:  Constant rate of...
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
...-called JMAK (Avrami) models, topological models, and last, mesoscale physics-based models. Additional related information on the general formulation of models for microstructure evolution is contained in the articles “Models of Recrystallization,”  “Cellular Automaton Models of Recrystallization...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005655
EISBN: 978-1-62708-198-6
... availability into three different generations ( Ref 43 ): First generation: Bioinert ceramics Second generation: Bioactive and bioresorbable ceramics Third generation: Bioceramics designed to stimulate specific cellular responses at the molecular level Hench and coworkers developed a...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005222
EISBN: 978-1-62708-187-0
... , which means the nucleation sites are ineffective. Heterogeneous sites are inherent in almost all normal castings, such as the solid-liquid interface and inclusions. Calculations indicate ( Ref 12 , 13 ) that the nucleation of a bubble on the planar interface is difficult. The cellular or dendritic...