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thermal diffusivity

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860133
EISBN: 978-1-62708-348-5
... Abstract This chapter presents basic principles and the theoretical results of heat transport in solids. Thermal conductivity and thermal diffusivity are the principal properties discussed. Discussions are also included on the effects of temperature, magnetic field, and metallurgical variations...
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Published: 01 December 1996
Fig. 9-2 (a) The thermal conductivity and (b) thermal diffusivity of steels as a function of temperature. (From J.B. Austin, Flow of Heat in Metals , American Society for Metals, Metals Park, Ohio (1942), Ref 1 ) More
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Published: 01 June 1983
Figure 4.2 Typical thermal diffusivity illustration: temperature dependencies of selected technically important materials from 3 to 300 K. Only asingle curve is shown for each material, as is customary, but this is misleading for pure materials. More
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Published: 01 June 1983
Figure 4.14 Block diagram of modified Angstrom thermal diffusivity apparatus ( Danielson and Sidles, 1969 ). More
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Published: 01 June 1983
Figure 4.16 Block diagram of apparatus for measuring thermal diffusivity by flash technique. More
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Published: 01 June 1983
Figure 4.26 Thermal diffusivity curves derived for copper with residual resistivity ratios from 20 to 2000. The curves labeled RRR = 20 through 2000 were calculated from α = k /( ρ · C ) using values of k from Fig. 4.25 and values of C from Touloukian and Buyco (1970) . More
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Published: 01 June 1983
Figure 4.28 Thermal diffusivity of aluminum alloys at temperatures from 4 to 300 K. More
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Published: 01 July 2009
Fig. 4.29 Thermal diffusivity of normal-purity block and instrument-grade block of beryllium. Source: Pinto 1979b More
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Published: 01 July 2009
Fig. 4.30 Thermal diffusivity as a function of temperature for well-annealed high-purity beryllium. Uncertainty of ±15% above room temperature and ±25% below, where values are only applicable to beryllium having a residual electrical resistivity of 0.0135 μΩ · cm. MP, melting point; TP (α-β More
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Published: 01 August 2012
Fig. 16.27 B-pillar inner forming results for uncoated DP980. TD, thermal diffusion; CVD, chemcial vapor deposition. Source: Ref 16.74 More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200404
EISBN: 978-1-62708-354-6
... Abstract This chapter describes the physical properties of steels used for castings. The properties covered include density, modulus of elasticity, Poisson's ratio, shear modulus, thermal expansion, thermal conductivity, specific heat, thermal diffusivity, electrical resistivity, and magnetic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410335
EISBN: 978-1-62708-265-5
.... This chapter describes the conditions that must be met for martensite to form. It discusses the role of quenching and the factors that affect cooling rate, including heat transfer, thermal diffusivity, emissivity, and section size. It defines hardenability and explains how to quantify it using the Grossmann...
Series: ASM Technical Books
Publisher: ASM International
Published: 23 January 2020
DOI: 10.31399/asm.tb.stemsem.t56000020
EISBN: 978-1-62708-292-1
..., carbon nanotubes, zeolite sheets, and monolayer graphene. It also describes emerging techniques, including four-dimensional STEM, thermal diffuse scattering, energy filtering, aberration correction, and atomic resolution imaging. diffraction imaging scanning electron microscopy (SEM) scanning...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500317
EISBN: 978-1-62708-317-1
... hardening, case (surface) hardening, and nitriding as well as hard chrome plating, vapor deposition, and thermal diffusion coating. It explains how to measure wear resistance using various tests and provides guidelines for selecting tool materials, treatments, and coatings. chemical vapor deposition...
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Published: 01 August 2012
Fig. 16.14 Typical coating thicknesses and process temperature for common coating methods. CVD, chemical vapor deposition; TD, thermal diffusion; PVD, physical vapor deposition. Source: Ref 16.54 More
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Published: 01 November 2023
Fig. 6 Simplified sketch of a stacked die device and illustration of the resulting phase-shift values per defect depths. The fact that the resulting phase shift depends on both thermal diffusion length and geometrical thickness can be used for a “fingerprint” determination of hot spot depths More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230027
EISBN: 978-1-62708-298-3
... coefficient of thermal expansion crystal structure enthalpy heat capacity nuclear properties physical properties thermal conductivity thermal diffusivity vapor pressure 4.1 Introduction This chapter is divided into five subsections: atomic/crystal structure, elastic properties, thermal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780295
EISBN: 978-1-62708-281-5
... mechanical properties. Thermal stresses are largely a consequence of high coefficients of thermal expansion and low thermal diffusivities. These effects, which are exacerbated when there is a large difference between the glass transition temperature, T g , and the ambient temperature, represent...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350183
EISBN: 978-1-62708-315-7
..., uncoated cemented carbide, TiC + TiN by CVD, TiC by CVD, VC by TRD, and NbC by TRD Table 1 Compares the processing characteristics for electroplating, electroless plating, CVD, PVD, thermal diffusion, ion nitriding, TRD, ion implantation, ion-beam assisted deposition, and thermal spraying Table 9...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240303
EISBN: 978-1-62708-251-8
... will melt. Important thermal properties include melting and boiling points, thermal expansion, specific heat capacity, thermal conductivity, and thermal diffusivity. 17.2.1 Melting and Boiling Points The melting point is the temperature at which the solid and liquid phases of a pure material...