Zur Frage der Volumen�nderung von Diffusionsk�rpern bei der Diffusion in metallischen Mischkristallen

Seith, Wolfgang; Kottmann, A.

doi:10.1007/bf00589781

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Some Doubtful Assumptions1

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1954

1966

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Cited by 18 publications

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“…Furthermore, changes in lateral dimensions have been observed in several systems. 13 In the case of silver and gold, for example, one-third of the total expansion on the gold side of the original interface occurred laterally and produced an increase in cross-section of the diffusion zone. It appears that, in some systems at least,.…”

Section: Some Doubtful Assumptionsmentioning

confidence: 99%

Diffusion coefficients in solids, their measurement and significance

Crank¹

1957

Discuss. Faraday Soc.

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The standard definitions and methods of measuring diffusion coefficients in solids are briefly reviewed. Assumptions underlying the simple formulae which have been proposed to relate diffusion coefficients measured by different methods are critically discussed in the light of experimental evidence and theoretical considerations which suggest that modification may be necessary. Difficulties in the way of deciding between several alternative mechanisms for diffusion, and of fully understanding how measured diffusion coefficients are related to the atomic jumps constituting diffusion, are formulated.

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Section: Some Doubtful Assumptionsmentioning

confidence: 99%