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grain growth

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240117
EISBN: 978-1-62708-251-8
... Abstract Annealing, a heat treatment process, is used to soften metals that have been hardened by cold working. This chapter discusses the following three distinct processes that can occur during annealing: recovery, recrystallization, and grain growth. The types of processes that occur during...
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Published: 01 January 2015
Fig. 5.25 Effect of annealing temperature on grain size of Ti-5Al-2.5Sn. Grain growth is very rapid at the beta transus temperature (1015 °C, or 1860 °F) and higher. More
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Published: 01 August 2015
Fig. 5.29 Microphotographs of grain sizes. Austenite grain growth in a normal 0.5% C hypoeutectoid steel (silicon deoxidized). 180 HV steel, 0.50C-0.06Si-0.7Mn (wt%). Picral etch. (a) Austenitized for 1 h at 850 °C, cooled at 300 °C/h. Austenite grain size, ASTM No. 5. 100×. (b) Austenitized More
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Published: 01 December 2008
Fig. 9.3 The rate of grain growth of pure iron. The parameters such as the grain-boundary diffusion coefficient the are same as in Exercise 5.16 . More
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Published: 01 November 2007
Fig. 8.10 One-hour grain growth is suppressed by adding very small amounts of niobium to a 1040 steel. Source: Ref 8.6 More
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Published: 01 November 2007
Fig. 8.12 Grain growth in a plain carbon 1018 steel versus a triple-alloyed 8620 steel at 1010 °C (1850 °F). The alloying elements cause a grain-boundary drag effect and inhibit grain growth. Source: Ref 8.7 More
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Published: 01 February 2005
Fig. 19.7 Grain growth versus time after the completion of meta-dynamic recrystallization in Waspaloy forging More
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Published: 01 March 2000
Fig. 14 Schematic of recrystallized peripheral grain growth More
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Published: 01 March 2000
Fig. 21 Grain growth in high-temperature homogenization. Source: Ref 25 More
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Published: 31 December 2020
Fig. 16 Austenite grain growth in a normal 0.5% C hypoeutectoid steel (silicon deoxidized). 0.50C-0.06Si-0.7Mn (wt%). (a) Austenitized for 1 h At 850 °C, cooled at 300 °C/h. Austenite grain size: ASTM No. 5. 180 HV. Picral. 100x. (b) Austenitized for 1 h at 900 °C, cooled at 300 °C/h More
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Published: 31 December 2020
Fig. 17 Austenite grain growth in a fine-grained 0.5% C hypoeutectoid steel (aluminum deoxidized). 0.43C-0.23Si-0.75Mn (wt%). (a) Austenitized for 1 h at 850 °C, cooled at 300 °C/h. Austenite grain size: ASTM No. 7, 180 HV. Picral. 100x. (b) Austenitized for 1 h at 900°C, cooled at 300 °C/h More
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Published: 01 October 2012
Fig. 10.20 Progressive densification and grain growth at several stages of sintering. (a) Initial stage. (b) Intermediate stage. (c) Final stage. (d) Fracture surface. The fracture surface micrograph shows the desirable placement of spherical pores on grain boundaries in the final stage More
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Published: 01 August 1999
Fig. 4.8 (Part 1) Critical grain growth during subcritical annealing of low-carbon steel. Rimming grade. 0.09C-0.005Si-0.43Mn (wt%). Annealed 2 h at 650 °C after tensile elongation of: (a) 2%, (b) 5%, (c) 8%, (d) 15%, (e) 20%, and (f) 30%. All etched in 3% nital. 100×. Figure 4.7 More
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Published: 01 August 1999
Fig. 4.8 (Part 2) Critical grain growth during subcritical annealing of low-carbon steel. Rimming grade. 0.09C-0.005Si-0.43Mn (wt%). Annealed 2 h at 650 °C after tensile elongation of: (a) 2%, (b) 5%, (c) 8%, (d) 15%, (e) 20% and (f) 30%. All etched in 3% nital. 100×. Figure 4.7 More
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Published: 01 June 2008
Fig. 8.23 Grain growth in zone-refined iron during isothermal anneals. Source: Ref 1 More
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Published: 01 June 2008
Fig. 8.25 Abnormal grain growth More
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Published: 01 June 2008
Fig. 8.26 Grain growth in fine- and coarse-grained steels. Source: Ref 5 More
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Published: 01 March 2002
Fig. 6.23 Grain growth vs. time for IN-718 SPF More
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Published: 01 August 1999
Fig. 8.8 (Part 1) Austenite grain growth in a normal 0.5% C hypoeutectoid steel (silicon deoxidized). 0.50C-0.06Si-0.7Mn (wt%). (a) Austenitized for 1 h at 850 °C, cooled at 300 °C/h. Austenite grain size: ASTM No. 5. 180 HV. Picral. 100×. (b) Austenitized for 1 h at 900 °C, cooled at 300 More
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Published: 01 August 1999
Fig. 8.8 (Part 3) Austenite grain growth in a normal 0.5% C hypoeutectoid steel (silicon deoxidized). 0.50C-0.06Si-0.7Mn (wt%). (a) Austenitized for 1 h at 850 °C, cooled at 300 °C/h. Austenite grain size: ASTM No. 5. 180 HV. Picral. 100×. (b) Austenitized for 1 h at 900 °C, cooled at 300 More