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rapid solidification

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Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005226
EISBN: 978-1-62708-187-0
... Abstract Rapid solidification is a tool for modifying the microstructure of alloys that are obtained by ordinary casting. This article describes the fundamentals of the four microstructural changes, namely, microsegregation, identity of the primary phase, identity of the secondary phase...
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Published: 01 January 2005
Fig. 5 Rapid solidification tooling process. Source: Ref 10 More
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005609
EISBN: 978-1-62708-174-0
... Abstract This article reviews the fundamental solidification concepts for understanding microstructural evolution in fusion welds. The common concepts, namely, nucleation, competitive grain growth, constitutional supercooling, solute redistribution, and rapid solidification, depend...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004024
EISBN: 978-1-62708-185-6
... process. The indirect rapid tooling technologies include 3D Keltool process, hot isostatic pressing, rapid solidification process tooling, precision spray forming, and radially constricted consolidation process. 3D Keltool process direct rapid tooling forging dies hot isostatic pressing indirect...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001419
EISBN: 978-1-62708-173-3
... Abstract Conventional high-strength aluminum alloys produced via powder metallurgy (P/M) technologies, namely, rapid solidification (RS) and mechanical alloying (mechanical attrition) have high strength at room temperature and elevated temperature. This article focuses on the metallurgy...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005588
EISBN: 978-1-62708-174-0
... Abstract The finished product, after fusion welding, may contain physical discontinuities due to excessively rapid solidification, adverse microstructures due to inappropriate cooling, or residual stress and distortion due to the existence of incompatible plastic strains. To analyze...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005209
EISBN: 978-1-62708-187-0
... build-up at the solid-liquid interface forming transients and steady state, the morphological stability/instability and perturbation theory, and rapid solidification effects, including solute trapping and oscillatory instabilities. The article presents a microstructural selection map that presents...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005731
EISBN: 978-1-62708-171-9
... of thermal spray powders which involves the determination of particle size and/or size distribution and phase analysis by x-ray diffraction. It provides information on preferential volatilization and rapid solidification that influence compositional differences. Wet chemical methods, spectographic analysis...
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Published: 01 December 2008
Fig. 2 Irregular growth of primary silicon crystals after deep undercooling and rapid solidification More
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Published: 15 June 2019
Fig. 2 Irregular growth of primary-silicon crystals after deep undercooling and rapid solidification More
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Published: 01 January 1990
Fig. 3 Schematic showing the gun quenching apparatus used by Duwez et al. to carry out rapid solidification experiments. Source: Ref 4 More
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Published: 01 December 2004
Fig. 10 Varying sizes of AZ91D magnesium particles produced by mechanical fragmentation (a), (b), and (c) or using rapid-solidification techniques (d), (e), and (f) for use as semisolid metalworking feedstock. Courtesy of Husky Injection Molding Systems More
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Published: 01 December 2008
Fig. 13 A critical application necessitated class 1A quality for this type 347 stainless steel investment casting. Hot tearing at the junctions and porosity in the body, which resulted from too-rapid solidification within the uniform wall of the tubular section, were eliminated by tapering More
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Published: 01 December 2004
Fig. 18 As-cast Fe 80 B 18.3 P 1.7 metallic glass alloy. Complex magnetic domain structure resulting from the residual stress pattern due to rapid-solidification processing. Dark-field imaging and the Bitter powder pattern technique were used to produce this image. Reproduced with permission More
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Published: 01 December 1998
Fig. 21 Binary phase diagram, illustrating the effect of cooling rate on an alloy lying outside the equilibrium eutectic-transformation line. Rapid solidification into a terminal phase field can result in some eutectic structure being formed; homogenization at temperatures in the single-phase More
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Published: 01 December 2004
Fig. 11 Schematic binary phase diagram illustrating the effect of cooling rate on an alloy lying outside the equilibrium eutectic transformation line. Rapid solidification from S x to a metastable position (S*) can result in some eutectic structure being formed, because the last liquid More
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