The thermodynamics of evolving interfaces far from equilibrium

M. E. Gurtin*, P. W. Voorhees

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

44 Scopus citations


We develop a general thermodynamical description of an evolving interface appropriate to situations far from equilibrium. The theory represents a broad departure from theories based on classical nonequilibrium thermodynamics, as we do not assume a linear relationship between fluxes and forces, and we do not limit our theory to small departures from equilibrium. Further, we allow for diffusion in the bulk material; we allow the composition of material transferred across the interface to differ from the compositions of either phase, with solute drag included as a special case; and we allow for heat flow in both phases. As an application of the general theory, we develop linearized interface conditions for an evolving interface.

Original languageEnglish (US)
Pages (from-to)235-247
Number of pages13
JournalActa Materialia
Issue number1
StatePublished - Jan 1996

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Polymers and Plastics
  • Metals and Alloys


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