Spatial distribution of graphite in cement materials used for radioactive waste conditioning: An approach to analysis of neutron tomography data
Zel I.Y. Kenessarin M. Kichanov S.E. Balasoiu M. Kozlenko D.P. Nazarov K. Nicu M. Ionascu L. Dragolici A.C. Dragolici F.
May 2021Elsevier Ltd
Cement and Concrete Composites
2021#119
The spatial arrangement of the graphite inside the cement-based materials has been studied using neutron tomography. The large differences in the neutron attenuation coefficients for the graphite and cement phases and the application of mathematical algorithms for an analysis of the three-dimensional reconstructed data allowed us to obtain the distributions of the average sizes, orientation and shape-related parameters of the graphite particles in studied cement samples. The results of calculations of the elastic properties of the graphite contented cement materials based on the obtained structural features of the morphology of graphite phase are presented.
Elastic moduli , Image analysis , Neutron tomography , Particle size distribution , Radioactive waste
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Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Dubna, 141980, Russian Federation
State University “Dubna”, Dubna, 141980, Russian Federation
“Horia Hulubei” National Institute of Physics and Engineering, P.O.BOXMG-6, Bucharest-Magurele, Romania
Faculty of Physics and Technical Sciences, L.N. Gumilyov Eurasian National University, Nur-Sultan, 010000, Kazakhstan
Frank Laboratory of Neutron Physics
State University “Dubna”
“Horia Hulubei” National Institute of Physics and Engineering
Faculty of Physics and Technical Sciences
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