Diffusion of Interstitial Solute in a Potential Well Characteristic of a Moving Dislocation | Zendy

FuentesSamaniego R. | Zendy; Hirth J. P. | Zendy

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Diffusion of Interstitial Solute in a Potential Well Characteristic of a Moving Dislocation

Author(s) -

FuentesSamaniego R.,

Hirth J. P.

Publication year - 1981

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221060140

Subject(s) - dislocation , diffusion , drag , mechanics , materials science , flux (metallurgy) , thermodynamics , solvent drag , chemistry , classical mechanics , physics , crystallography , microstructure , grain boundary , metallurgy

The equation governing the flux of interstitial solute near a moving dislocation is found. Such an equation is non‐linear, a feature which allows for the realistic situation that the solute concentration is bounded by the concentration of interstitial sites. However, in order to find analytical solutions, the alternative of a two‐dimensional, symmetric potential well characteristic of the dislocation is considered. Analytical determination of the properties of such a potential well as either a trap or a carrier of interstitial solute is made. The solute drag force‐velocity curves for the steady‐state motion of a potential well are obtained.

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