Order-disorder transformation mechanism in aluminum-doped Ni3Mn alloy

A. I. Lotkov, V. E. Panin, V. P. Fadin

Research output: Contribution to journalArticlepeer-review


The kinetics of order-disorder transformation in Ni3(Mn, Al) alloys prequenched from 700°C has been studied by neutron-diffraction analysis. Within the framework of the I. M. Lifshits model, it is shown that in Ni3(Mn, Al) alloys containing 2.0 and 4.3 at.% aluminum, ordering proceeds by the homogeneous mechanism at 400° and by nucleation and growth at 450°. The causes are discussed of the sharp speedup of the order-disorder transformation in its first stage in aluminum-doped Ni3Mn alloy as compared with the binary alloy.

Original languageEnglish
Pages (from-to)436-440
Number of pages5
JournalSoviet Physics Journal
Issue number4
Publication statusPublished - Apr 1977

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Engineering(all)

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