Issues »  Volume 36, Issue 10

Anomalies of Inverse Magnetoplastic Effect in a Magnesium-Thermal Beryllium Condensate

E. I. Kurek, I. G. Kurek, A. V. Oleynich-Lysyuk, M. D. Rarans’ky

Yuriy Fedkovych Chernivtsi National University, 2 Kotsjubynskyi Str., 50012 Chernivtsi, Ukraine

Received: 13.03.2014. Download: PDF

The reverse magnetoplastic effect (MPE) is detected in magnesium-thermal beryllium condensate at the simultaneous action of the weak permanent magnetic and mechanical or temperature fields on the samples (in the interval of temperatures $\cong$ 20—100°C). The behaviour of the amplitude and temperature dependences of the effective shear modulus and low-frequency internal friction of magnesium-thermal beryllium condensate is investigated. The ratio of dislocations velocities with and without of magnetic field ($V_{MF}/V_{0}$) is calculated, and its anomalous behaviour is fixed at all stages of the experiment. As educed, the weak constant magnetic field causes the splitting of the maximum on the curves of amplitude and temperature dependences of the internal friction, and inversion of the MPE sign at cooling, which is preceded by formation of the magnetic insensitive area.

Key words: reverse magnetoplastic effect, effective shear modulus, low-frequency internal friction, dislocations velocity, diamagnetic beryllium.

URL: http://mfint.imp.kiev.ua/en/abstract/v36/i10/1303.html

DOI: https://doi.org/10.15407/mfint.36.10.1303

PACS: 61.72.Hh, 62.20.de, 62.40.+i, 75.20.En, 75.80.+q, 81.40.Jj

Citation: E. I. Kurek, I. G. Kurek, A. V. Oleynich-Lysyuk, and M. D. Rarans’ky, Anomalies of Inverse Magnetoplastic Effect in a Magnesium-Thermal Beryllium Condensate, Metallofiz. Noveishie Tekhnol., 36, No. 10: 1303—1312 (2014) (in Ukrainian)

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