Elastic effects on phase segregation in alloys with external stresses

C. A. Laberge, P. Fratzl, Joel Lebowitz

Research output: Contribution to journalArticlepeer-review

42 Scopus citations


We investigate, via computer simulations, coherent phase segregation in a microscopic model alloy consisting of A and B atoms of unequal sizes on a square lattice. The effective Hamiltonian, obtained by minimization over the displacement of the atoms from their lattice positions, contains long range linear elastic interactions that cause the precipitates to be highly anisotropic. Under external load they acquire "wavy" long sides and align parallel to one of the axes. Their size, measured by the reciprocal of the number of A-B bonds, grows approximatively as t13.

Original languageEnglish (US)
Pages (from-to)4448-4451
Number of pages4
JournalPhysical review letters
Issue number24
StatePublished - Jan 1 1995

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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