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crystal growth

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2016
DOI: 10.31399/asm.tb.ascaam.t59190001
EISBN: 978-1-62708-296-9
... with Y content 58 , 76 Jackson’s α<sub>sJ</sub> coefficient for crystallographic planes in silicon crystal lattice Table 1.4 Jackson’s α sJ coefficient for crystallographic planes in silicon crystal lattice Plane Ns/Nv α sJ Growth model 111 ¾ 2.67 Lateral 100 2...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030211
EISBN: 978-1-62708-349-2
..., differences in fiber surface roughness, size, surface activation, and sizing affect the nucleation and growth of crystals in many thermoplastic-matrix composites. While the degree of crystallinity can be determined from differential scanning calorimetry, x-ray analysis, or density measurements...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2016
DOI: 10.31399/asm.tb.ascaam.9781627082969
EISBN: 978-1-62708-296-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2021
DOI: 10.31399/asm.tb.ciktmse.t56020001
EISBN: 978-1-62708-389-8
... for elemental solids. For example, the thermal expansion of aluminum, a soft metal, is 2.5 × 10 −5 /K, while that of a strong metal such as tungsten is 4.5 × 10 −6 /K. Line defects can be categorized broadly into two types: edge and screw dislocations. These defects are formed either during crystal growth...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2016
DOI: 10.31399/asm.tb.ascaam.t59190173
EISBN: 978-1-62708-296-9
... N nucleation temperature T s solidus temperature V volume ν R growth rate of solid phase (crystal), Δ x /Δ t V v volume fraction of phase ν T cooling rate, Δ T /Δ t θ wetting angle ξ crystallographic factor Δ C difference in concentration Δ G...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480031
EISBN: 978-1-62708-318-8
... is at right angles to the illustration. Fig. 2.1 Smooth, planar crystal growth is observed at the solid-liquid interface when liquid metals are not undercooled. Growth of long individual grains and protuberances into the liquid are prevented whenever the liquid is above the freezing point. Arrows...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2021
DOI: 10.31399/asm.tb.ciktmse.9781627083898
EISBN: 978-1-62708-389-8
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220025
EISBN: 978-1-62708-259-4
..., reacting with the steel substrate to some extent. These crystals of solid alloy start to grow on the steel plate surface. When different grains meet each other, the crystal growth is interrupted and grain boundaries are formed ( Fig. 3.2 ). In the case in which the growth of each crystal is significant...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230151
EISBN: 978-1-62708-298-3
... Technology , Vol 2 , Gordon and Breach, NY , p 857 – 877 • Scholz U. , Plachke D. , Yuan W. , Carstanjen H.J. , Petzow G. , and Mucklich F. , 1996 . On the Influence of Impurities in Beryllium Single Crystal Growth , J. Cryst. Growth , Vol 169 ( No. 3 ), p 575...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060085
EISBN: 978-1-62708-261-7
... in Chapter 2 and is briefly expanded in this section. Solidification of Pure Metals Solidification of Alloys The solid-liquid interface during solidification normally exhibits one of three types of crystal growth in the liquid: planar, cellular, or dendritic growth. As shown in Fig. 5.4...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230019
EISBN: 978-1-62708-298-3
... replacement complexes Alkali-free beryl from cavities and late fissures In the first group, the beryl crystals form in the central sections of pegmatite bodies before crystallization of the block quartz. Unlike the alkali-free beryl of the first group, the crystals and crystal growths of sodium beryl...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220281
EISBN: 978-1-62708-341-6
... are described next. Zone Refining of Semiconductors Growth of Semiconductor Single Crystals Epitaxial Deposition Production of Silicon Solar Cells Hermetic Sealing and Salvage of Electronic Components Manufacture of Vacuum Tubes Applications of induction heating in the glass industry...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410163
EISBN: 978-1-62708-265-5
... interrelated phenomena occur: solid crystal growth and chemical partitioning between the solid and the liquid. Figure 9.11 shows schematically a portion of a phase diagram where liquid solidifies to a solid phase α and a diagram through a solid/liquid interface with associated changes in composition ( Ref...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540357
EISBN: 978-1-62708-309-6
... plastic deformation to occur. Twins may be produced by either crystal growth or plastic deformation. The former are referred to as annealing twins, while the latter are termed either mechanical or deformation twins. Mechanical twinning involves shear displacement like slip, but the twinning mechanism...
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 use of a thermal gradient (which can be provided by a chill plate and gradual mold withdrawal), producing a microstructure in which all of the grains are oriented in the same direction. The grain growth direction is deliberately chosen to correspond to the direction in which cubic crystal dendrites...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780028
EISBN: 978-1-62708-281-5
... to the design of the product. Crystallization has two components: nucleation and crystal growth. Nucleation is the initiation of crystallization at impurities in the polymer melt and is enhanced by rapid cooling rates and nucleating agents. Crystal growth is favored by slower cooling rates (which allows...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410113
EISBN: 978-1-62708-265-5
... in Fe-C-X Systems , Metall. Mater. Trans. A , Vol 35 , 2004 , p 1187 – 1210 10.1007/s11661-004-0294-2 7.16 Aaronson H.I. , Laird C. , and Kinsman K.R. , Mechanisms of Diffusional Growth of Precipitate Crystals , Phase Transformations , American Society for Metals , 1970...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420117
EISBN: 978-1-62708-310-2
... behavior. Additions of silicon or zirconium stabilize UAl 3 , extending the UAl 3 -Al equilibrium region below room temperature. Peritectic Reactions Depending on surface tension conditions, two different types of the peritectic reactions can occur: Nucleation and growth of the β crystals...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480095
EISBN: 978-1-62708-318-8
..., recrystallization, and grain growth occur after cold working operations such as cold rolling followed by annealing. Fig. 5.18 Effect of stress-relief time and temperature on the percent of original residual stresses remaining Fig. 5.20 Effect of cold reduction on the temperature for initiation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090341
EISBN: 978-1-62708-266-2
... by dynamic fatigue procedures ( Ref 14.26 ). Glass-ceramics, such as Zerodur, a trademarked lithium-aluminum-silicate, which are made as glasses and then crystallized in a thermal treatment, also exhibit moisture-induced crack growth ( Ref 14.28 ). Crack growth data for this material are also included...