Theoretical approach to the study of the stability of metal matrix composite interfaces

Simon Dorfman, David Fuks

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


The problem of stability of interfaces in metal matrix composites is reduced to the investigation of the solubility and diffusion processes of fiber atoms in the metal matrix. The calculations of excess thermodynamic functions of interstitial solid solutions is performed. The influence of additives on the stability of intermetallic phases formed at the interfaces is discussed. The height of diffusion barriers for aluminium and copper matrix composite materials with carbon or boron fibers is calculated. It is shown that the alloying of the matrix by additional element, substituting aluminium or copper in the interstitial metal-metalloid solid solution, changes the value of the barrier and influence the diffusion of metalloid. Some additives as the best alloying elements for preventing the diffusion in the alloys studied are predicted.

Original languageEnglish
Pages (from-to)431-449
Number of pages19
JournalComposite Interfaces
Issue number5-6
StatePublished - 1 Jan 1995


  • Metal matrix composites
  • composite interfaces
  • excess thermodynamic functions
  • interstitial solid solutions


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