Magnetic-field-induced stresses and magnetostrain effect in martensite

Victor L'vov; Sergey Zagorodnyuk; Vladimir Chernenko; Toshiyuki Takagi

doi:10.2320/matertrans.43.876

Magnetic-field-induced stresses and magnetostrain effect in martensite

Victor L'vov, Sergey Zagorodnyuk, Vladimir Chernenko, Toshiyuki Takagi

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

An equivalence principle for mechanical and magnetoelastic stresses is used for the quantitative theoretical description of giant magnetostrain effect in ferromagnetic martensite. Field-induced strains are computed in the framework of phenomenological magnetoelastic model for two different orientations of magnetic field with respect to the crystal axes. Good agreement between the theoretical and experimental field dependencies of the strains in Ni-Mn-Ga alloys is achieved.

Original language	English
Pages (from-to)	876-880
Number of pages	5
Journal	Materials Transactions
Volume	43
Issue number	5
DOIs	https://doi.org/10.2320/matertrans.43.876
Publication status	Published - 2002 May
Externally published	Yes

Keywords

Ferromagnetic martensite
Giant magnetostrain effect
NiMnGa
Theoretical description

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.2320/matertrans.43.876

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abstract = "An equivalence principle for mechanical and magnetoelastic stresses is used for the quantitative theoretical description of giant magnetostrain effect in ferromagnetic martensite. Field-induced strains are computed in the framework of phenomenological magnetoelastic model for two different orientations of magnetic field with respect to the crystal axes. Good agreement between the theoretical and experimental field dependencies of the strains in Ni-Mn-Ga alloys is achieved.",

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AU - L'vov, Victor

AU - Zagorodnyuk, Sergey

AU - Chernenko, Vladimir

AU - Takagi, Toshiyuki

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AB - An equivalence principle for mechanical and magnetoelastic stresses is used for the quantitative theoretical description of giant magnetostrain effect in ferromagnetic martensite. Field-induced strains are computed in the framework of phenomenological magnetoelastic model for two different orientations of magnetic field with respect to the crystal axes. Good agreement between the theoretical and experimental field dependencies of the strains in Ni-Mn-Ga alloys is achieved.

KW - Ferromagnetic martensite

KW - Giant magnetostrain effect

KW - NiMnGa

KW - Theoretical description

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Magnetic-field-induced stresses and magnetostrain effect in martensite

Abstract

Keywords

ASJC Scopus subject areas

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