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grain refinement

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Published: 01 December 2001
Fig. 24 As-cast Al-7Si ingots showing the effects of grain refinement. (a) No grain refiner. (b) Grain-refined. Both etched using Poulton’s etch; both 2x More
Image
Published: 01 December 2004
Fig. 4.4 As-cast Al-7Si ingots showing the effects of grain refinement. (a) No grain refiner. (b) Grain refined. Both etched using Poulton’s etch; both 2×. Courtesy of W.G. Lidman, KB Alloys Inc. More
Image
Published: 01 August 1999
Fig. 8.12 (Part 1) Austenitic grain refinement in a coarse-grained 0.5% C hypoeutectoid steel. Austenitic grain size initially as shown in Fig. 8.8 (Part 2) (e) . 0.50C-0.06Si-0.07Mn (wt%). (a) Austenitized at 950 °C for 1 h, cooled at 300 °C/h, one cycle. 180 HV. Picral. 100×. (b More
Image
Published: 01 August 1999
Fig. 8.12 (Part 2) Austenitic grain refinement in a coarse-grained 0.5% C hypoeutectoid steel. Austenitic grain size initially as shown in Fig. 8.8 (Part 2) (e) . 0.50C-0.06Si-0.07Mn (wt%). (a) Austenitized at 950 °C for 1 h, cooled at 300 °C/h, one cycle. 180 HV. Picral. 100×. (b More
Image
Published: 01 June 2008
Fig. 27.4 Grain refinement with zirconium. Source: Ref 4 More
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Published: 01 October 2012
Fig. 3.3 Grain refinement with zirconium. (a) Pure magnesium. (b) Pure magnesium plus zirconium. Source: Ref 3.1 More
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Published: 01 March 2000
Fig. 9 Effect of grain refiner on grain structure (magnification 1.2×) More
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Published: 01 December 2001
Fig. 22 Comparison of the effectiveness of various master alloy grain refiners in aluminum alloy 356 More
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Published: 01 December 2001
Fig. 23 Effectiveness of titanium-boron grain refiners in aluminum alloys 356 and 319 More
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Published: 01 August 1999
Fig. 11.26 (Part 2) (e) Weld metal, grain-refined pass. 1% nital. 100×. (f) Weld metal, grain-refined pass. Picral. 1000×. (a) and (h) Weld metal: 0.11C-0.14Si-1.01 Mn (wt%). Butt weld made in seven passes in 14 mm plate. (g) Weld metal, as-deposited pass. 1% nital. 100×. (h) Weld More
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Published: 01 December 2006
Fig. 4.21 Cast structure of a round billet (200 mm Ø) after grain-refining treatment More
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Published: 01 December 2015
Fig. 8 Illustration of how a refinement in grain size improves resistance to hydrogen failure as measured by the time to failure of two strengths of AISI 4340 steels. Source: Ref 20 More
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 fine-grained steels. The chapter also discusses grain-refinement processes and some of the effects of overheating, including sulfide spheroidization, grain-boundary sulfide precipitation, and grain-boundary liquation. austenitization carbon steel grain boundary grain growth grain size We...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240095
EISBN: 978-1-62708-251-8
..., gravity, micro, and inverse. The chapter also provides information on grain refinement and secondary dendrite arm spacing and porosity and shrinkage in castings. It concludes with a brief overview of six of the most important casting processes in industries: sand casting, plaster mold casting, evaporative...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280091
EISBN: 978-1-62708-267-9
..., the objectives of forging may include grain refinement, control of second-phase morphology, controlled grain flow, and the achievement of specific microstructures and properties. The chapter explains how these objectives can be met by managing work energy via temperature and deformation control. It also...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260119
EISBN: 978-1-62708-336-2
.... It then discusses the influence of casting variables, including pouring temperature and cooling rate, and operating considerations such as the make-up of charge materials, fluxing and degassing procedures, and grain refining. The chapter also provides information on vertical and horizontal casting systems, billet...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310095
EISBN: 978-1-62708-326-3
... information on residual elements, microalloying, grain refinement, mechanical properties, and grain size of these steels. In addition, the effects of free-machining additives are also discussed. carbon steel composition grain size hardenability low-alloy steel PLAIN CARBON STEELS are by far...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230253
EISBN: 978-1-62708-298-3
... vacuum induction melting, vacuum arc melting, and electron beam melting, and some of the ways they have been used to cast beryllium alloys. The chapter also includes information on metal purification and grain refinement procedures. beryllium casting grain refinement ingots melting...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120025
EISBN: 978-1-62708-269-3
..., which may be remelted several times to achieve the necessary properties. It also discusses the cause of defects and ingot imperfections and the benefits of billet reduction and grain-refinement processes. billets ingots mill products titanium alloys titanium sponge vacuum arc remelting...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.tb.atia.t59340063
EISBN: 978-1-62708-427-7
..., molten metal treatment, control of inclusions, ingot grain refinement, and direct chill (DC) or continuous casting. aluminum alloys belt casters continuous casting direct chill ingot casting inclusions melting molten metal processing scrap charging Direct chill (DC) ingots used...