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HomeMaterials Science ForumMaterials Science Forum Vol. 970Microstructure Formation of LiTiZn Ferrite...

Microstructure Formation of LiTiZn Ferrite Ceramics during Radiation-Thermal Sintering

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Abstract:

The effect of intensification of the compaction rate of ferrite compacts under irradiation conditions with a high-power electron beam both in the heating regime and in the isothermal stage of sintering was established. The compaction mechanisms of the compacts are different at each of these stages. The intensification of compaction at the non-isothermal stage in radiation-thermal conditions is due to processes involving the liquid phase. The role of bismuth oxide in the compaction of the material at the isothermal stage of sintering is unessential, but its influence is significant in recrystallization processes. Under of Ivensen’s phenomenology, compaction curves are explained by the deceleration of annealing of structural defects responsible for the fluidity of the material. Dislocations are the most probable type of defects, satisfying the detected regularities.

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Periodical:

Materials Science Forum (Volume 970)

Pages:

265-275

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.970.265

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Online since:

September 2019

Authors:

Anatoly P. Surzhikov, Andrey V. Malyshev*, Anna B. Petrova, Elena A. Sheveleva

Keywords:

Electron Beam, Microstructure, Radiation-Thermal Heating, Substituted Lithium Ferrites

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© 2019 Trans Tech Publications Ltd. All Rights Reserved

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