Magnetoplastic and magnetomechanic effects in aluminum alloys with magnetostrictive micro inclusions

Morgunov R.B., Valeev R.A., Skvortsov A.A., Korolev D.V., Piskorsky V.P., Kunitsyna E.I., Kucheryaev V.V., Koplak O.V.
UDC
537.621
DOI
10.18577/2307-6046-2019-0-10-3-13
Article PDF (Russian) (685.75 KB)
How to cite
Morgunov R.B., Valeev R.A., Skvortsov A.A., Korolev D.V., Piskorsky V.P., Kunitsyna E.I., Kucheryaev V.V., Koplak O.V. Magnetoplastic and magnetomechanic effects in aluminum alloys with magnetostrictive micro inclusions // Proceedings of VIAM. 2019. No. 10. DOI: 10.18577/2307-6046-2019-0-10-3-13. URL: https://test.viam.ru/en/journal/2019/10/1
Keywords
creep, microhardness, dislocation, magnetoplasticity, magnetostriction.
Abstract

Effect of magnetic field on mechanical properties of aluminum alloys and magnetic after-effects are discussed. The FeAl microinclusions providing internal stresses in aluminum matrix were revealed. These stresses affect creep, microharness and dislocation dynamics in magnetic field. The opposite effect, which can be called magnetomechanic or piezoelectric, is also repor-ted. It consists in increasing the coercive force of microinclusions caused by plastic deformation of aluminum. These experiments show that microinclusions can be used as sensors of mechanical stresses, with the help of which residual stresses in materials can be measured.

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