Self-diffusion and solute diffusion of gold in F.C.C. lanthanum

M. P. Dariel; G. Erez; G. M.J. Schmidt

doi:10.1080/14786436908225869

Self-diffusion and solute diffusion of gold in F.C.C. lanthanum

M. P. Dariel, G. Erez, G. M.J. Schmidt

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Abstract

The thin layer lathe sectioning technique was used to measure the self and solute diffusion coefficients of gold in f.c.c. lanthanum. Self-diffusion is given by D = 1.5 exp (− 45100/RT) cm²/sec, and gold solute diffusion by D = 2.2 × 10⁻² exp (− 18100/RT) cm²/sec. The activation energy for self-diffusion is in good agreement with various semi-empirical rules. The high diffusivities and low activation energy for the solute diffusion of gold are interpreted in terms of the combined substitutional–interstitial diffusion mechanism.

Original language	English
Pages (from-to)	1053-1059
Number of pages	7
Journal	Philosophical Magazine
Volume	19
Issue number	161
DOIs	https://doi.org/10.1080/14786436908225869
State	Published - 1 Jan 1969
Externally published	Yes

ASJC Scopus subject areas

General Engineering
General Physics and Astronomy

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title = "Self-diffusion and solute diffusion of gold in F.C.C. lanthanum",

abstract = "The thin layer lathe sectioning technique was used to measure the self and solute diffusion coefficients of gold in f.c.c. lanthanum. Self-diffusion is given by D = 1.5 exp (− 45100/RT) cm2/sec, and gold solute diffusion by D = 2.2 × 10−2 exp (− 18100/RT) cm2/sec. The activation energy for self-diffusion is in good agreement with various semi-empirical rules. The high diffusivities and low activation energy for the solute diffusion of gold are interpreted in terms of the combined substitutional–interstitial diffusion mechanism.",

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AU - Dariel, M. P.

AU - Erez, G.

AU - Schmidt, G. M.J.

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Y1 - 1969/1/1

N2 - The thin layer lathe sectioning technique was used to measure the self and solute diffusion coefficients of gold in f.c.c. lanthanum. Self-diffusion is given by D = 1.5 exp (− 45100/RT) cm2/sec, and gold solute diffusion by D = 2.2 × 10−2 exp (− 18100/RT) cm2/sec. The activation energy for self-diffusion is in good agreement with various semi-empirical rules. The high diffusivities and low activation energy for the solute diffusion of gold are interpreted in terms of the combined substitutional–interstitial diffusion mechanism.

AB - The thin layer lathe sectioning technique was used to measure the self and solute diffusion coefficients of gold in f.c.c. lanthanum. Self-diffusion is given by D = 1.5 exp (− 45100/RT) cm2/sec, and gold solute diffusion by D = 2.2 × 10−2 exp (− 18100/RT) cm2/sec. The activation energy for self-diffusion is in good agreement with various semi-empirical rules. The high diffusivities and low activation energy for the solute diffusion of gold are interpreted in terms of the combined substitutional–interstitial diffusion mechanism.

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ER -

Self-diffusion and solute diffusion of gold in F.C.C. lanthanum

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