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directional solidification

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420135
EISBN: 978-1-62708-310-2
... and the associated solidification structures. It also discusses the morphology of the microstructure produced during directional solidification and the classification criteria of low- and high-dome alloys. copper-lead alloys monotectic alloy systems phase diagrams solidification structures ANOTHER...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280079
EISBN: 978-1-62708-267-9
... how patterns, molds, and shells are produced, discusses the practice of directional solidification, and examines an assortment of turbine components cast from nickel- and cobalt-base alloys. The chapter also addresses casting problems such as inclusions, porosity, distortion, core shift, and leaching...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000025
EISBN: 978-1-62708-313-3
... the matrix phase and geometrically and topologically close-packed phases, and describes how superalloy microstructure can be modified via heat treatments and directional solidification. It also discusses the role of carbides, borides, oxides, and nitrides and the detrimental effects of sulfocarbides...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410029
EISBN: 978-1-62708-280-8
... operator to make process adjustments as needed. 4.6.5 Solidification and Feeding to Prevent Shrink Porosity Chilling and Directional Solidification Both gravity permanent molding and low-pressure permanent molding use steel molds coated with a refractory coating to prevent the aluminum–iron...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410215
EISBN: 978-1-62708-280-8
... A 356 T6 with a minimum of ASTM Level 3 at rib–rim junction Directional solidification through finish stock adjustment and chilling of rib–rim junction Dynamic side impact resistance Curb impact on window, spoke Wheel at 13 deg. to horizontal Loading block of 576 kg dropped from 230...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140047
EISBN: 978-1-62708-335-5
... for establishing directional solidification. Defects may take the form of extensive piping as opposed to distributed shrinkage porosity. These alloys may be characterized by a higher proportion of mass feeding relative to interdendritic feeding and are therefore less susceptible, under reasonable efforts...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410151
EISBN: 978-1-62708-280-8
... resistance (master cylinder and ABS body), burst pressure resistance and bridge fatigue low cycle applications (calipers) Oil leak–proof, thin walled and cored applications Material and feeding drivers Primary alloy T6 heat treatment Low freezing range Directional solidification Short cycle time...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420087
EISBN: 978-1-62708-310-2
..., there is no fundamental difference between equiaxed and directional solidification. Therefore, the mechanisms described are valid for both cases. Fig. 5.16 Schematic eutectic phase diagram. See text for explanation. Source: Ref 5.6 Regular Eutectic Growth Irregular Eutectic Growth The solidification...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220129
EISBN: 978-1-62708-259-4
... GmbH & Co. KGaA. Reprinted with permission. Source: Ref 1 Fig. 8.2 Macrograph of the transverse section of an ingot with bubbles close to the surface. The aspect is typical of a rimmed steel ingot. Bubbles nucleate after the start of solidification and grow in the direction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140021
EISBN: 978-1-62708-335-5
... pressure applied, the greater the required locking pressure. Die casting machines are designed with locking pressures from as little as 25 tonnes to more than 4500 tonnes corresponding to injection pressures of up to 40 ksi (280 MPa). The principles of directional solidification and gravity-based...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420117
EISBN: 978-1-62708-310-2
...-titanium system. Envelopes of the peritectic phase around the primary phase form by direct reaction in some systems—copper-tin and silver-tin, for example—through interrupted directional solidification experiments. Figure 6.9 shows the microstructures of a Cu-20Sn alloy that demonstrates the onset...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.9781627082808
EISBN: 978-1-62708-280-8
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2016
DOI: 10.31399/asm.tb.ascaam.t59190001
EISBN: 978-1-62708-296-9
... , 67 Fig. 1.41 Lamella → rod transition during directional solidification of eutectic. (a) Growth mechanism as affected by cooling rate, criterion-minimum undercooling Δ T . Source: Ref 70 . (b) Eutectic phase morphology as affected by growth rate, criterion-minimum Δ G . Source: Ref 63...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230253
EISBN: 978-1-62708-298-3
... temperature of 1349 °C was determined to give the best results for conditions existing in these experiments. They reported that thermal conditions existing at both time of pour and during solidification have a major influence on the soundness and structure of the ingot. Accelerated directional cooling...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240095
EISBN: 978-1-62708-251-8
... initiation sites. The DS process also creates a preferred low-modulus texture, or orientation, parallel to the solidification direction that helps in preventing thermal fatigue failures. An extension of the DS process was the development of the single-crystal process in which a single crystal grows to form...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730115
EISBN: 978-1-62708-283-9
... composites include ceramics reinforced with metal or ceramic fibers. Metals such as aluminum-base alloys may be reinforced with ceramic fibers to increase their stiffness. In some eutectic systems, directional solidification can lead to rods of one phase reinforcing the matrix. Composites reinforced...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280211
EISBN: 978-1-62708-267-9
..., and the effect of coating and welding processes. chemical composition creep-rupture properties microstructure physical properties precipitation hardening superalloys tensile properties solution heat treatment directional solidification Introduction General Aspects of Precipitation Hardening...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140175
EISBN: 978-1-62708-264-8
... International , 1995 16.4. Park J.S. , “Microstructural Evolution and Control in the Directional Solidification of Fe-C-Si Alloys,” Ph.D. thesis, Parks Library, Iowa State University, 1990 16.5. Cast Irons , ASM Specialty Handbook , ASM International , 1996 16.6. Elliott R...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280365
EISBN: 978-1-62708-267-9
... , 1971 • VerSnyder F.L. and Shank M.E. , The Development of Columnar Grain and Single Crystal High Temperature Materials through Directional Solidification , Mater. Sci. Eng. , Vol 6 , 1970 , p 213 – 247 10.1016/0025-5416(70)90050-9 Processing: Machining, Heat Treating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280025
EISBN: 978-1-62708-267-9
... and cast alloys such as MAR-M-247 have demonstrated property improvements, owing to control of grain morphology by directional recrystallization or directional solidification. The cobalt-base superalloys are invariably strengthened by a combination of carbides and solid-solution hardeners...