Kinetics and relaxation processes in Ni-Mn-Ga alloys under an external stress and a magnetic field

S. I. Bosko, V. D. Buchelnikov, S. V. Taskaev, T. Takagi, A. N. Vasiliev

研究成果: Article

3 引用 (Scopus)

抜粋

The kinetics of magnetic and structural domains and relaxation of magnetization and strain under an external stress and a magnetic field in ferromagnetic Ni-Mn-Ga alloys close to a structural phase transition on the basis of time-depending Ginzburg-Landau equation with a thermal noise were theoretically investigated. The influence of an external magnetic field on the kinetics of structural domains was established to have the same influence as the stress has but not so great. The evolution of structural domain pictures was obtained. One type of structural domains was established to prevail in an alloy under an external stress or a magnetic field with time. The time dependencies of magnetization and strain were calculated.

元の言語English
ページ(範囲)11-19
ページ数9
ジャーナルInternational Journal of Applied Electromagnetics and Mechanics
21
発行部数1
DOI
出版物ステータスPublished - 2005

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

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