Treatise on Materials Science and Technology, Volume 4 |
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Page 59
Lattice Diffusion of Substitutional Solutes and Correlation Effects J . P . STARK
Department of Mechanical Engineering The University of Texas at Austin Austin ,
Texas . . . . . · · · · · . . . . . . . . . I . Introduction . . . . . . . . . . . II . Fick ' s Laws · · · · · · · III .
Lattice Diffusion of Substitutional Solutes and Correlation Effects J . P . STARK
Department of Mechanical Engineering The University of Texas at Austin Austin ,
Texas . . . . . · · · · · . . . . . . . . . I . Introduction . . . . . . . . . . . II . Fick ' s Laws · · · · · · · III .
Page 61
This coefficient is called the diffusion coefficient or diffusivity and since the flux
may be dependent upon position and time , so may the diffusivity . However , a
simplification is possible by realizing that the concentration depends on both ...
This coefficient is called the diffusion coefficient or diffusivity and since the flux
may be dependent upon position and time , so may the diffusivity . However , a
simplification is possible by realizing that the concentration depends on both ...
Page 95
Thus , with fo the correlation factor for solvent self - diffusion , fo = 0 . 78 , x2 = 1 /
26 + f2 ) x2 = 1 / 14 ( f3 + 254 + f5 + 256 + 57 + 58 + 2f + f10 + 2fu + f12 ) With
these terms , the solvent tracer diffusion coefficient can be written as D = D ( 1 .
Thus , with fo the correlation factor for solvent self - diffusion , fo = 0 . 78 , x2 = 1 /
26 + f2 ) x2 = 1 / 14 ( f3 + 254 + f5 + 256 + 57 + 58 + 2f + f10 + 2fu + f12 ) With
these terms , the solvent tracer diffusion coefficient can be written as D = D ( 1 .
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Contents
RICHARD W VOOK | 2 |
Epitaxial Monocrystalline Films | 10 |
Polycrystalline Films | 37 |
Copyright | |
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activity addition alloys applied approximation average beam becomes calculated compaction component composition compression concentration considered constant copper correlation corresponding crystal cubic curve decreases defined deformation density dependence determined diffraction diffusion direction discussed dislocation disorder distribution effect electron elements energy enthalpy entropy equations example experimental expression factor fault field Figure forged function given gives increases influence interaction jump lattice material measurements mechanism metal method neighbor observed obtained occurs oriented parameter partial pattern phases Phys plane polycrystalline position possible powder present probability production properties random ratio reflections region relative respectively shown in Fig shows single crystals sintered solid solution solute atoms solvent strain strengthening stress structure Substituting surface Table temperature theoretical theory thermodynamic thin films tracer twin vacancy values variations volume X-ray yield