1-20 of 450 Search Results for

coarsening

Sort by
Image
Published: 01 January 1990
Fig. 13(a) Austenite grain coarsening during reheating and after hot rolling for a holding time of 30 min. Titanium contents were between 0.008 and 0.022% Ti. Source: Ref 25 More
Image
Published: 01 January 1990
Fig. 10 Grain-coarsening behavior of a modified 9Cr-1Mo steel (9Cr-1Mo steel with 0.06 to 0.10% Nb and 0.18 to 0.25% V). Source: Ref 7 More
Image
Published: 31 October 2011
Fig. 13 Effects of various microalloying additions on the grain-coarsening temperature of austenite. Grain-coarsening temperatures depend on the microalloying level, nitrogen and/or carbon contents, and size of the precipitates. Titanium is the most efficient microalloying element for grain More
Image
Published: 31 October 2011
Fig. 14 Effect of peak temperature and precipitate (TiN) coarsening on austenite grain growth in the heat-affected zone of a titanium-microalloyed steel. The points in the diagram are experimental data, whereas the curves are calculated. Source: Ref 4 More
Image
Published: 31 October 2011
Fig. 4 Predicted coarsening behavior of TiN during steel welding. HAZ, heat-affected zone. Adapted from Ref 1 , 20 More
Image
Published: 01 November 1995
Fig. 11 Schematic diagram showing grain growth, densification, and coarsening kinetics vs. reciprocal temperature. Temperature ranges suitable for rate-controlled sintering and fast firing are indicated. More
Image
Published: 01 December 2009
Fig. 13 Concentration profiles during coarsening. The larger β-precipitate grows, while the smaller precipitate dissolves. The scale of this diagram is distorted because the concentrations at the α/β interfaces are typically much smaller than △ C αβ . More
Image
Published: 01 December 2009
Fig. 8 Static coarsening behavior of Ti-6Al-4V with an equiaxed-alpha microstructure. Source: Ref 27 . (a) Coarsening kinetics in terms of average alpha-particle size as a function of time. (b) Comparison of the ratio of the measured coarsening rate at different temperatures (and hence volume More
Image
Published: 01 December 2009
Fig. 10 Effect of dynamic coarsening on plastic flow of Ti-6Al-4V with an equiaxed-alpha microstructure. Source: Ref 40 . (a) Selected flow curves. (b) Constitutive analysis to determine the appropriate activation energy and diffusivity to describe superplastic flow More
Image
Published: 01 December 2009
Fig. 11 Static coarsening of a colony-alpha microstructure in Ti-6Al-4V. (a) SEM backscattered micrograph illustrating lamellar branching observed at 955 °C. (b) Idealized geometry used to describe the microstructure. See Eq 16 . Source: Ref 49 . (c) SEM backscattered micrographs of samples More
Image
Published: 01 January 2005
Fig. 7 Austenite grain coarsening characteristics in steels containing various microalloying additions. Source: Ref 11 More
Image
Published: 01 January 2003
Fig. 12 Coarsening of grain size in a ferritic stainless steel by laser melting More
Image
Published: 01 January 1990
Fig. 12 Crack tip opening displacement versus the percent of grain-coarsened regions for several structural steels. Source: Ref 27 More
Image
Published: 01 December 2004
Fig. 14 A typical microstructure of an aluminum-copper alloy (coarsened for 10 min at 553 °C, or 995 °F) made binary to differentiate between the proeutectic aluminum-rich dendrite and the eutectic. Source: Ref 22 More
Image
Published: 01 November 2010
Fig. 16 Interfacial shape distribution of the two-day lead-tin coarsened sample. κ 1 and κ 2 are the two principal curvatures, and S v is the surface area per unit volume. Source: Ref 59 More
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005415
EISBN: 978-1-62708-196-2
... Abstract This article discusses the fundamental aspects of phase-field microstructure modeling. It describes the evolution of microstructure modeling, including nucleation, growth, and coarsening. The article reviews two approaches used in the modeling nucleation of microstructure: the Langevin...
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
... transformations in fusion welding, covering particle dissolution, growth, and coarsening of precipitates in the heat-affected zone. The article discusses the versatility of the internal state variable approach in modeling of nonisothermal transformations for various materials and processes. It describes...
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...
Book Chapter

By P.S. Grant
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005225
EISBN: 978-1-62708-187-0
... process as a function of axial distance from the point of droplet atomization. The article concludes with information on the occurrence of macrosegregation and coarsening in spray cast preforms. coarsening gas atomization macrosegregation microsegregation spray casting probability density...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003743
EISBN: 978-1-62708-177-1
... or discontinuous grain growth. The latter has also been termed exaggerated grain growth, coarsening, or secondary recrystallization. annealing coarsening cold worked metal grain growth recrystallization solidification RECOVERY, RECRYSTALLIZATION, AND GRAIN GROWTH are the stages that a cold-worked...