Higher derivative terms in spinodal decomposition

R. W. Hopper, D. R. Uhlmann

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Abstract

The effects of higher order terms on the kinetics of spinodal decomposition are evaluated. The terms considered are the higher derivative terms in the diffuse interface free energy expansion. It is shown that the next approximation to the local free energy results in a kinetic amplification factor of the form: R(β) = Nv-1 M ̃(-f{hook}″β2 - 2κβ4 + 2μβ6), where μ can be related to coefficients in the free energy expansio Problems associated with a continuation of the expansion to evaluate further effects on spinodal decomposition kinetics are noted.

Original languageEnglish (US)
Pages (from-to)267-272
Number of pages6
JournalActa Metallurgica
Volume21
Issue number3
DOIs
StatePublished - Mar 1973
Externally publishedYes

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ASJC Scopus subject areas

  • Engineering(all)

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