PRESSURE DEPENDENCE OF GRAIN-BOUNDARY DIFFUSION OF **6**5Zn IN POLYCRYSTALLINE ALUMINIUM.

G. Erdelyi, W. Lojkowski, D. Beke, I. Godeny, F. J. Kedves

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

The pressure dependence of the grain-boundary diffusion of **6**5Zn in polycrystalline aluminium has been measured in the B-kinetic regime at 593 K in the pressure range 0-1. 2 GPa. Separating the subgrain and large-angle grain-boundary segments of the penetration plots, it has been found that the activation volumes are (0. 86 plus or minus 0. 06) OMEGA and (0. 80 plus or minus 0. 10) OMEGA respectively ( OMEGA is the atomic volume). These results are consistent with the vacancy mechanism of grain boundary diffusion.

Original languageEnglish
Pages (from-to)673-680
Number of pages8
JournalPhilosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties
Volume56
Issue number5
Publication statusPublished - Nov 1987

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pressure dependence
Grain boundaries
grain boundaries
Aluminum
Vacancies
penetration
plots
Chemical activation
activation
aluminum
Kinetics
kinetics

ASJC Scopus subject areas

  • Materials Science(all)
  • Electronic, Optical and Magnetic Materials
  • Metals and Alloys
  • Physics and Astronomy (miscellaneous)
  • Condensed Matter Physics

Cite this

PRESSURE DEPENDENCE OF GRAIN-BOUNDARY DIFFUSION OF **6**5Zn IN POLYCRYSTALLINE ALUMINIUM. / Erdelyi, G.; Lojkowski, W.; Beke, D.; Godeny, I.; Kedves, F. J.

In: Philosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties, Vol. 56, No. 5, 11.1987, p. 673-680.

Research output: Contribution to journalArticle

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