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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... substitute this into eq. (1.3) to find the equilibrium vacancy concentration at 660 °C = 933 K. The answer is 7.9 × 10−5. This is a typical value for a metal near its melting point,i.e. . Foreign or solute atoms can enter a crystal ...
... substitute this into eq. (1.3) to find the equilibrium vacancy concentration at 660 °C = 933 K. The answer is 7.9 × 10−5. This is a typical value for a metal near its melting point,i.e. . Foreign or solute atoms can enter a crystal ...
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... substitute eqs.(1.4) and(1.5)intoeq. (1.7). Therefore the interstitial diffusion coefficient is given by (1.8) where the subscript 'i' is used throughout to indicate that these terms refer specifically to the interstitial mechanism of ...
... substitute eqs.(1.4) and(1.5)intoeq. (1.7). Therefore the interstitial diffusion coefficient is given by (1.8) where the subscript 'i' is used throughout to indicate that these terms refer specifically to the interstitial mechanism of ...
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... substitute Fick's FirstLaw(which in radial coordinatesis simply into thisequation, and integrated.2Theresult is (2.5) The constants of integrationC 0 andacan bedetermined fromtheboundary conditions which set the concentrations atr ...
... substitute Fick's FirstLaw(which in radial coordinatesis simply into thisequation, and integrated.2Theresult is (2.5) The constants of integrationC 0 andacan bedetermined fromtheboundary conditions which set the concentrations atr ...
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... substitution Table 2.1 Converting between different units of concentration. Quite often we need to convert compositional data for use in diffusion equations. For example, phase diagrams often give us compositions as weight fraction, or ...
... substitution Table 2.1 Converting between different units of concentration. Quite often we need to convert compositional data for use in diffusion equations. For example, phase diagrams often give us compositions as weight fraction, or ...
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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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