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Start Over Author "Osipov, D." Journal russian physics journal
16 results on '"Osipov, D."'

15. Effect of Preliminary Treatment on Microstructure, Mechanical Properties and Fracture of Ni3Al Samples Synthesized by Spark Plasma Sintering.

Author

Osipov, D. A., Smirnov, I. V., Grinyaev, K. V., Korotaev, A. D., Pinzhin, Yu. P., Ditenberg, I. A., Korchagin, M. A., Esikov, M. A., and Mali, V. I.

Subjects
*MORTAR, *MICROSTRUCTURE, *HEAT treatment, *SINTERING, *MECHANICAL properties of condensed matter, *TREATMENT effectiveness
Abstract

A comparative study of microstructure parameters and mechanical property characteristics of consolidated Ni3Al samples formed by spark plasma sintering after a preliminary short-term mechanical activation and mixing in a mortar is carried out. It is found out that the grain size of the mechanically pre-activated material is several times smaller than that of the material sintered after mixing in a mortar. This feature is manifested in the differences in the values of microhardness and short-term strength. The annealing temperature effect on the structure parameters and mechanical properties of Ni3Al samples is revealed depending on the pretreatment. It is assumed that the formation of a high-defect structural state, characterized by fine grains combined with an increased level of microdistortions, during mechanical activation predetermines the strength properties of the material both after spark plasma sintering and after deformation and heat treatment. [ABSTRACT FROM AUTHOR]

Published
2021
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16. The Influence of Duration of Preliminary Mechanical Activation on Microhardness of Specimens of Ni3Al Intermetallide Synthesized Under Conditions of Spark Plasma Sintering.

Author

Ditenberg, I. A., Korchagin, M. A., Melnikov, V. V., Osipov, D. A., Gavrilov, A. I., Esikov, M. A., Mali, V. I., Grinyaev, K. V., Smirnov, I. V., Tsverova, A. S., and Sukhanov, I. I.

Subjects
MICROHARDNESS, PLASMA chemistry, SINTERING, INTERMETALLIC compounds, HYDRODYNAMICS
Published
2019
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