Effect of Normalizing Heating of Ferrite Compacts on Compaction during Radiation-Thermal Sintering / O. Stary, A. P. Surzhikov, A. V. Malyshev [et al.]
Set Level: Eurasian Physical Technical JournalLanguage: английский.Country: Kazakhstan.Abstract: The study investigated linear shrinkage of lithium-titanium ferrite samples during radiation-thermal and thermal sintering. Prior to compaction, part of the powders were subjected to thermal heating for 2h at temperatures of 1273, 1373, and 1473 K. It is found that changes in the shrinkage kinetics of ferrites after powder annealing are consistent with the classical concepts of thermal deexcitation of powders due to annealing of defects. Such defects were formed in powder grains during grinding. The obtained data analysis allowed us to offer the most likely model for radiation-thermal activation of powder ferrite sintering. This is a model of radiation inhibition of non-equilibrium defects relaxation..Bibliography: [References: 24 tit.].Subject: электронный ресурс | труды учёных ТПУ | ferrites | sintering | electron beams | pre-annealing of powders | linear shrinkage | shrinkage activation model | ферриты | спекание | электронные пучки | отжиг | линейная усадка Online Resources:Click here to access onlineTitle screen
[References: 24 tit.]
The study investigated linear shrinkage of lithium-titanium ferrite samples during radiation-thermal and thermal sintering. Prior to compaction, part of the powders were subjected to thermal heating for 2h at temperatures of 1273, 1373, and 1473 K. It is found that changes in the shrinkage kinetics of ferrites after powder annealing are consistent with the classical concepts of thermal deexcitation of powders due to annealing of defects. Such defects were formed in powder grains during grinding. The obtained data analysis allowed us to offer the most likely model for radiation-thermal activation of powder ferrite sintering. This is a model of radiation inhibition of non-equilibrium defects relaxation.
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