Mass Transport in Solids and FluidsCambridge University Press, 2 lis 2000 The field of matter transport is central to understanding the processing of materials and their subsequent mechanical properties. While thermodynamics determines the final state of a material system, it is the kinetics of mass transport that governs how it gets there. This book, first published in 2000, gives a solid grounding in the principles of matter transport and their application to a range of engineering problems. The author develops a unified treatment of mass transport applicable to both solids and liquids. Traditionally matter transport in fluids is considered as an extension of heat transfer and can appear to have little relationship to diffusion in solids. This unified approach clearly makes the connection between these important fields. This book is aimed at advanced undergraduate and beginning graduate students of materials science and engineering and related disciplines. It contains numerous worked examples and unsolved problems. The material can be covered in a one semester course. |
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... boundary thickness m viscosity Pa s activity coefficient — Henrian activity coefficient — jump frequency s mean free path m = meg-\lattice vibration frequency kinematic viscosity permeability density (mass concentration)
... boundary thickness m viscosity Pa s activity coefficient — Henrian activity coefficient — jump frequency s mean free path m = meg-\lattice vibration frequency kinematic viscosity permeability density (mass concentration)
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David S. Wilkinson. = meg-\lattice vibration frequency kinematic viscosity permeability density (mass concentration) atomic or molecular volume _ l S m2 'S m3(STP)/m satmm kng3 m; Part A Overview Chapter 1 Introductiontomass transport ...
David S. Wilkinson. = meg-\lattice vibration frequency kinematic viscosity permeability density (mass concentration) atomic or molecular volume _ l S m2 'S m3(STP)/m satmm kng3 m; Part A Overview Chapter 1 Introductiontomass transport ...
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... for this. Fromthetable we seethat,in mass units, C = X*ρ where X* is theweight fraction of hydrogen in thenickelandρ isthe density of nickel (i.e.ρ= 8790kg/m3).From thiswe find that C 0 = 0.879kg/m3(i.e. kg of H 2 per m3.
... for this. Fromthetable we seethat,in mass units, C = X*ρ where X* is theweight fraction of hydrogen in thenickelandρ isthe density of nickel (i.e.ρ= 8790kg/m3).From thiswe find that C 0 = 0.879kg/m3(i.e. kg of H 2 per m3.
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... density of the alloy. The average density of an alloycanbe determinedfrom that of theindividual phases using either Note: the molar volume is equaltothe molarweightdivided by the density, bothquantitiesthat are more readily found in ...
... density of the alloy. The average density of an alloycanbe determinedfrom that of theindividual phases using either Note: the molar volume is equaltothe molarweightdivided by the density, bothquantitiesthat are more readily found in ...
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Spis treści
Transient diffusion problems | |
concentration Cs 3 6 2 Uniform initial | |
materials engineering | |
Applications involving | |
Heat treatmentofbinary alloys | |
Diffusion in concentrated alloysand fluids | |
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activation energy alloy annealed assume assumptions Atomic Percent boundary conditions calculate carbon cementite composition concentration gradient concentration profile consider convection copper crosssectional cylinder density determine developed diameter diffusion coefficient diffusion couple diffusion distance diffusion problems diffusive flux dissolved equal equalto equation equilibrium constant error function eutectoid evaporation example Fick’s First Law Fick’s Second Law Figure film fixed flow fluid fraction free energy geometry given grain boundary growth heat hydrogen initial conditions interdiffusion interstitial inthe involving kinetics lattice layer liquid mass transfer coefficient masstransfer material metal molar molar volume molten nickel nitrogen occurs ofthe oxidation oxygen parameter particles pearlite phase diagram plate precipitate pressure radioactive reaction result schematic illustration solid solubility solute concentration species sphere spherical steel substitute Suppose surface concentration temperature thatthe thediffusion thickness tothe vapour velocity vessel volume wecan Weight Percent zero