Grain Boundary Migration Induced by a Magnetic Field: Fundamentals and Implications for Microstructure Evolution

Molodov, Dmitri A.

doi:10.1002/9783527652815.ch10

Microstructural Design of Advanced Engineering Materials 2013

DOI: 10.1002/9783527652815.ch10

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Grain Boundary Migration Induced by a Magnetic Field: Fundamentals and Implications for Microstructure Evolution

Dmitri A. Molodov

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2019

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Softening of the Al-Mg-Si-Fe alloy under magnetostriction of FeAl microinclusions

Скворцов

Pshonkin

Kunitsyna

et al. 2019

Journal of Applied Physics

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The physical origin of the magnetoplastic effect was experimentally identified in Al polycrystalline alloy. Exposure of the nominally pure industrial Al-Mg-Si-Fe alloy to magnetic field 0.7 T induces residual changes that provide a creep rate increase up to 25% and microhardness decrease down to 30%. FeAl inclusions of ∼1 μm size were revealed in the alloy. Magnetostriction of the ferromagnetic inclusions providing local mechanical stresses and generation of fresh dislocations in the vicinity of the inclusions is the main reason for magnetoplasticity. Ferro-, antiferro-, and paramagnetic contributions of the inclusions and/or Fe atoms distributed in the Al matrix have been distinguished. The chemical composition of FeAl inclusions determined by transition electron microscopy and local field probed by the Mossbauer technique are in good agreement with saturation magnetization of the FeAl alloys.

show abstract

Softening of the Al-Mg-Si-Fe alloy under magnetostriction of FeAl microinclusions

Скворцов

Pshonkin

Kunitsyna

et al. 2019

Journal of Applied Physics

View full text Add to dashboard Cite

show abstract

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Grain Boundary Migration Induced by a Magnetic Field: Fundamentals and Implications for Microstructure Evolution

Cited by 1 publication

References 54 publications

Softening of the Al-Mg-Si-Fe alloy under magnetostriction of FeAl microinclusions

Softening of the Al-Mg-Si-Fe alloy under magnetostriction of FeAl microinclusions

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