Order-disorder transformation mechanism in aluminum-doped Ni3Mn alloy

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

Research output: Contribution to journalArticle

Abstract

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
Volume20
Issue number4
DOIs
Publication statusPublished - Apr 1977

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order-disorder transformations
Order disorder transitions
aluminum
Aluminum
Binary alloys
binary alloys
Neutron diffraction
neutron diffraction
Nucleation
nucleation
Kinetics
causes
kinetics

ASJC Scopus subject areas

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

Cite this

Order-disorder transformation mechanism in aluminum-doped Ni3Mn alloy. / Lotkov, A. I.; Panin, V. E.; Fadin, V. P.

In: Soviet Physics Journal, Vol. 20, No. 4, 04.1977, p. 436-440.

Research output: Contribution to journalArticle

Lotkov, A. I. ; Panin, V. E. ; Fadin, V. P. / Order-disorder transformation mechanism in aluminum-doped Ni3Mn alloy. In: Soviet Physics Journal. 1977 ; Vol. 20, No. 4. pp. 436-440.
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