The Diffusion of Solids
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...overning equation for diffusion and diffusion coefficients [47,48]....
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...1 in Table 2 [47,48]); the proportionality factor D is the diffusivity or diffusion coefficient (Eq....
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834 citations
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Cites background from "The Diffusion of Solids"
...The rate of atom movement within a lattice, that is, the atom transport rate, D(T), can be calculated by considering random atomic jumping in Equation (7).([119-122]) The...
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316 citations
Cites background or result from "The Diffusion of Solids"
...The activation energy for grain boundary diffusion is approximately one half of that for lattice diffusion, and at T/Tm=0.5, the ratio between grain boundary coefficient of diffusion, DGB and lattice coefficient of diffusion, DL is: 107 DGB DL 108 These results are reported for FCC metals by Sutton and Balluffi [46] and Shewmon [47]....
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...These results are reported for FCC metals by Sutton and Balluffi [46] and Shewmon [47]....
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...5 nm Sutton and Balluffi[46] Shewmon[47] Grain boundary diffusion 10 m(2)/s T/Tm=0....
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...Ceramics Both fractured and granular ceramics undergo shear localization in deformation, and this is the di- Table 2 Parameters for Grain Boundary Rotation Parameter Value Source Grain boundary energy, Murr[48]0.625 J/m2 Grain boundary thickness, 0.5 nm Sutton and Balluffi[46] Shewmon[47]Grain boundary diffusion 10−12.3 m2/s T/Tm=0.5coefficient, DGB 10−13 m2/s T/Tm=0.45 10−14 m2/s T/Tm=0.4 10−15.5 m2/s T/Tm=0.35 L2d 4L2 =dV (28) dV is the volume transferred and L is the instantaneous length of the segment A’B’ (Fig....
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References
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