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intrinsic diffusion coefficients

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240063
EISBN: 978-1-62708-251-8
... on several applications of the latter. The chapter also provides information on the temperature dependence of diffusion, intrinsic diffusion coefficients (Kirkendall effect), and high diffusion paths. diffusion interstitial diffusion substitutional diffusion Fick’s laws of diffusion intrinsic...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780343
EISBN: 978-1-62708-281-5
..., viscosity average molecular weight Quasi-elastic light scattering (QELS) Macromolecular particle diameter, diffusion coefficient Particle size in dilute dispersions, molecular aggregation Differential thermal analysis (DTA) Glass transition temperatures, T g ; melt/crystallization temperatures...
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 June 2008
DOI: 10.31399/asm.tb.emea.t52240265
EISBN: 978-1-62708-251-8
... to use a material with a high melting temperature in high-temperature applications since, to a good approximation, diffusion coefficients on which the creep rate depends are proportional to the homologous temperature ( T / T m ). Face-centered cubic (fcc) metals generally have superior creep resistance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030025
EISBN: 978-1-62708-282-2
... reaction products possible under the exposure conditions Low vapor pressure so that the oxide forms as a solid and does not evaporate into the atmosphere Pilling-Bedworth ratio greater than 1.0 so that the oxide completely covers the metal surface Low coefficient of diffusion of reactant species...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460067
EISBN: 978-1-62708-285-3
... J.W. , A Phenomenological Theory for Strain Gradient Effects in Plasticity , J. Mech. Phys. Solids , Vol 41 ( No. 12 ), 1993 , p 1825 – 1857 10.1016/0022-5096(93)90072-N 3.27 Daneshian B. and Assadi H. , Impact Behavior of Intrinsically Brittle Nanoparticles: A Molecular...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780089
EISBN: 978-1-62708-281-5
..., Motorola Semiconductor Products Division Fig. 21 TMA profile exhibiting stress relief; epoxy casting, 4.19 mm (0.16 in.), 5 °C/min (9 °F/min) Fig. 20 Typical TMA curve for a fiberglass-polyester prepreg, 2 mm (0.08 in.), 10 °C/min (18 °F/min). CTE, coefficient of thermal expansion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060049
EISBN: 978-1-62708-261-7
... in the grain boundaries at high temperatures become more susceptible to diffusion, and thus atomic restructuring within grain boundaries becomes much more active as a function of not only stress, but also time and tempertaure. This creates conditions for creep deformation. Metallurgists in the early 1900s also...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610415
EISBN: 978-1-62708-303-4
... but also gradually extends plastically. Thus, a metal subjected to a constant tensile load at elevated temperature will creep and undergo a time-dependent increase in length. Because the mobility of atoms increases with increasing temperature, diffusion-controlled mechanisms become active. Dislocation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780115
EISBN: 978-1-62708-281-5
...Thermal properties of selected resins Table 1 Thermal properties of selected resins Thermoplastic resins Heat deflection temperature at 1.82 MPa (0.264 ksi) UL index Thermal conductivity Coefficient of thermal expansion, 10 −6 /°C °C °F °C °F W/m · K Btu/ft · h · °F...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310161
EISBN: 978-1-62708-286-0
... the normal annealing temperatures for these alloys. The use of nitrogen as a key alloying element has improved the annealing behavior of these alloys since its diffusion is quite rapid, causing ferrite-austenite equilibrium to be attained very rapidly. Nitrogen also hinders (formation and facilitates...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230361
EISBN: 978-1-62708-298-3
... ), The Royal Society, London, p 35/1 – 35/14 Egert C.M. , and Allred D.D. , 1990 . Diffuse Absorbing Beryllium Coatings Produced by Magnetron Sputtering , Proceedings of SPIE, Stray Radiation in Optical Systems , Vol 1331 , Breault R.P. , Ed., p 170 – 174 10.1117/12.22676...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610327
EISBN: 978-1-62708-303-4
... or low, respectively), semiconducting, piezothermoelectricity, dielectrical properties Heating elements, insulators, magnets, sensors, integrated circuit packages, substrates, solid electrolytes, piezoelectrics, dielectrics, superconductors Optical Low absorption coefficient Lamps, windows, fiber...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550511
EISBN: 978-1-62708-307-2
...-tetragonal zirconia polycrystalline (Y-TZP). It also provides information on materials selection, design optimization, and joining methods, and covers every step of the ceramic production process. brazing ceramic processing diffusion bonding structural ceramics toughened ceramics weibull analysis...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280287
EISBN: 978-1-62708-267-9
... discusses protective coatings, including aluminide diffusion, overlay, and thermal barrier types, and how they perform in different environments based on their ability to tolerate strain. coatings corrosion resistance corrosion testing hot corrosion superalloys Overview Oxidation/Corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280211
EISBN: 978-1-62708-267-9
... modulus in a grain Affect local atom arrangements in a grain Limit diffusion of atoms Change the stacking fault energy (SFE) of the matrix With these effects, significant hardening can be achieved. Solutes that create asymmetric strain distortions are more effective than those that produce...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350043
EISBN: 978-1-62708-315-7
...Abstract Abstract This chapter discusses the basic principles of friction and the factors that must be considered when determining its effect on moving bodies in contact. It provides an extensive amount of friction data, including static and kinetic friction coefficients for numerous...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740325
EISBN: 978-1-62708-308-9
... composition and physical and mechanical properties, being affected by chemical activity, diffusion, and subsequent cooling. Small differences in coating composition, bath temperature, time of immersion, and rate of cooling or subsequent reheating can result in significant changes in the appearance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550299
EISBN: 978-1-62708-307-2
... for enhanced performance. Table 6.3 compares properties of these aluminides with those of conventional titanium alloys and superalloys. Because they have slower diffusion rates than conventional titanium alloys, the titanium aluminides feature enhanced high-temperature properties such as strength retention...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780003
EISBN: 978-1-62708-281-5
... conductivity Coefficient of thermal expansion, 10– 5 /K °C °F °C °F W/m·K Btu·in./h·ft 2 ·°F Acrylonitrile-butadiene-styrene (ABS) 99 210 60 140 0.27 1.9 5.3 ABS-polycarbonate (ABS-PC) alloy 115 240 60 140 0.25 1.7 3.5 Diallyl phthalate (DAP) 285 545 130 265 0.36 2.5...