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grain coarsening

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Published: 01 January 2015
Fig. 8.18 Effect of aluminum content in steel on the grain-coarsening temperature of austenite. Source: Ref 8.32 More
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Published: 01 January 2015
Fig. 8.22 Relative austenite grain-coarsening characteristics of various microalloyed steels. Source: Ref 8.37 More
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Published: 01 January 2015
Fig. 8.23 Austenite grain-coarsening characteristics in steels alloyed with various amounts of niobium. Source: Ref 8.39 More
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Published: 01 December 2001
Fig. 3(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. More
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Published: 01 December 1999
Fig. 5.4 Reduction of grain-coarsening temperature due to normalizing. Source: Ref 6 More
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Published: 01 December 1999
Fig. 5.5 Grain-coarsening characteristics of CM series steels compared with conventional carburizing grades. Source: Ref 10 More
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Published: 01 July 1997
Fig. 21 Crack tip opening displacement versus the percent of grain-coarsened regions for several structural steels. Source: Ref 25 More
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Published: 01 December 2018
Fig. 6.30 Core microstructure indicating coarsening of carbides at the grain boundaries in the tempered martensitic matrix, (a) 400×, (b) 1000× More
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Published: 01 December 1989
Fig. 9.42. SEM photographs showing coarsening of grain-boundary carbides resulting from 10,000 h of service exposure at 830 °C (1525 °F) in a Udimet 710 blade. (a) Hot region in airfoil. (b) Cooler regions in shank. (c) Material from airfoil after a rejuvenation heat treatment. More
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Published: 01 December 2008
Fig. 9.16 Coarsening of particles on the grain boundary, with thickness, δ More
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Published: 01 November 2012
Fig. 30 Schematic diagram of the variety of microstructures that can be obtained in the heat-affected zones (HAZs) of multipass welds. GC, grain coarsened; GR, grain refined; IC, intercritical; SC, subcritical; ICGC, intercritical grain coarsened; SCGC, subcritical grain coarsened. Source More
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Published: 01 July 1997
Fig. 2 Regions of the heat-affected zone (HAZ). (a) The HAZ regions in a single-bevel multipass weld. SCHAZ, subcritical HAZ; ICHAZ, intercritical HAZ; FGHAZ, fine-grained HAZ; GCHAZ, grain-coarsened HAZ; SRGCHAZ, subcritically reheated grain-coarsened HAZ; IRGCHAZ, intercritically reheated More
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Published: 01 January 2015
Fig. 8.16 Austenite grain size as a function of austenitizing temperature for coarse-grained and fine-grained steels. Rapid discontinuous grain growth occurs at the grain-coarsening temperature in fine-grained steels. Source: Ref 8.31 More
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Published: 01 January 2015
Fig. 8.19 Change in volume percent AlN as a function of temperature in mild steel containing 0.01% N and Al as shown. Grain-coarsening temperatures are marked by arrows. Source: Ref 8.32 More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410133
EISBN: 978-1-62708-265-5
.... However, with increasing temperature, second-phase particles coarsen and dissolve, and rapid, discontinuous grain growth develops. This type of grain growth is sometimes referred to as secondary recrystallization because the kinetics of discontinuous grain growth are similar to that of recrystallization...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770099
EISBN: 978-1-62708-337-9
... steels Slightly coarsened; some solution of excess carbide Partially refined; stronger and tougher than A C: Best adapted to fine-grained steels Somewhat coarsened; solution of excess carbide favored; austenite retention promoted in highly alloyed steels Refined; maximum core strength and hardness...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900203
EISBN: 978-1-62708-358-4
... 2075 2 88 10 1150 2100 2 88 10 (a) Specimens austenitized 30 min at temperature and quenched into oil. Composition: 1.60% C, 11.95% Cr, 0.33% Mn, 0.32% Si, 0.79% Mo, 0.25% V, 0.18% P, and 0.010% S. Source: Ref 13 Austenitic grain size of D-type tool steels does not coarsen...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930217
EISBN: 978-1-62708-359-1
...). (a) The HAZ regions in a single-bevel multipass weld. SCHAZ, subcritical HAZ; ICHAZ, intercritical HAZ; FGHAZ, fine-grained HAZ; GCHAZ, grain-coarsened HAZ; SRGCHAZ, subcritically reheated grain-coarsened HAZ; IRGCHAZ, intercritically reheated grain-coarsened HAZ. (b) Plan view of a polished weld section...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560185
EISBN: 978-1-62708-291-4
..., and hypereutectoid steels. It discusses the factors that influence the kinetics of the process, including carbon diffusion and the morphology of the original structure. It describes the nucleation and growth of austenite grains, the effect of grain size on mechanical properties, and the difference between coarse...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410277
EISBN: 978-1-62708-265-5
... temperatures in the austenite phase field, temperatures that may be well above the grain-coarsening temperature of aluminum-killed steels as discussed in Chapter 8, “Austenite in Steel.” As a result of high forging temperatures, austenite grain sizes are coarse, and in view of variable deformation...