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Gavrilyuk A. A. Semenov A. L. Gavrilyuk A. V. Mokhovikov A. Yu. Zubritsky S. M. Petrov A. L. 《Russian Physics Journal》2004,47(7):750-755
It has been studied how the conditions of machining and the elastic tensile stresses affect the magnetic properties of amorphous metal wires of composition Fe75Si10B15 produced by drawing from a melt. The magnetic characteristics of wires subjected to both thermal treatment and treatment with a continuous electric current of different magnitude have been investigated. The residual induction of wires is their magnetic parameter most sensitive to the conditions of treatment. The dependences of the residual induction on temperature and on the magnitude of the treating electric current are qualitatively similar. The greatest changes in residual induction are observed in the range of treating electric currents from 0.5 to 0.8 A, which can be associated with the processes of structural relaxation and crystallization occurring in the wires. The run of the dependence of the residual induction on the magnitude of tensile stresses is nonmonotonic in character and is determined by the level of internal hardening stresses of the test wires. 相似文献
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A. A. Gavrilyuk A. L. Semenov A. V. Semirov A. V. Gavrilyuk S. M. Zubritsky B. V. Gavrilyuk V. O. Kudryavtsev A. L. Petrov 《Russian Physics Journal》2006,49(8):857-863
The effect of magnetic annealing on the magnetic and magnetoelastic properties of FeCoB amorphous metal strips in the temperature range from 290 to 380°C has been investigated. With the method of photostimulated
exoelectronic emission it has been found that in this temperature range there occurs crystallization of the surface of the
test strips. It has been shown that the minima of the coercive force, residual induction, and differential magnetic permeability
and the maximum absolute values of the negative Δ-effect are attained at magnetic annealing temperatures close to the temperatures
corresponding to the maxima of the intensity of photostimulated exoelectronic emission. An explanation of the results obtained
has been proposed which is based on the notions about the effect of internal stresses on the induced magnetic anisotropy of
the test strips.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 8, pp. 59–65, August, 2006. 相似文献
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Marina O. Shibinskaya Nina A. Kutuzova Alexandr V. Mazepa Sergey A. Lyakhov Sergey A. Andronati Mykhayl Ju. Zubritsky Valerij F. Galat Janusz Lipkowski Victor Ch. Kravtsov 《Journal of heterocyclic chemistry》2012,49(3):678-682
A series of 6‐(3‐aminopropyl)‐6H‐indolo[2,3‐b]quinoxalines were synthesized with high yields by the reaction of 6‐(3‐chloropropyl)‐6H‐indolo[2,3‐b]quinoxaline and corresponding amines in presence of tetrabutylammonium iodide in boiling toluene or dimethylformamide at room temperature. It was found that boiling of 6‐(3‐chloropropyl)‐6H‐indolo[2,3‐b]quinoxaline in acetone with sodium iodide or in acetic acid lead to intramolecular cyclization product. 相似文献
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