Spatio-temporal instabilities of the kirkendall marker planes during interdiffusion in β’-auzn

M. J.H.Van Dal, A. M. Gusak, C. Cserháti, A. A. Kodentsov, F. J.J. Van Loo

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

A Kirkendall-effect-mediated behaviour (migration) of fiducial markers originally situated at the contact surface of a diffusion couple can be complex in both temporal and spatial domains. A phenomenological approach based on a concept of the Kirkendall velocity construction is used to rationalize the movement of the inert markers upon diffusion-controlled growth of the β'-AuZn intermetallic phase. It is demonstrated (experimentally as well as theoretically) that the Kirkendall marker planes can be multiple, stable or unstable within the single-phase reaction product. A general criterion of the microstructural instability of the Kirkendall plane is introduced.

Original languageEnglish
Pages (from-to)943-954
Number of pages12
JournalPhilosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties
Volume82
Issue number5
DOIs
Publication statusPublished - Mar 2002

ASJC Scopus subject areas

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

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