Relation between micro- and macrodeformations and the elasticity constants in application to radiation induced effects in a graphite reactor

Relation between micro- and macrodeformations and the elasticity constants in application to radiation induced effects in a graphite reactor

A model taking account of the contribution of the filler, binder, and ensemble of microcracks in the characteristics of reactor graphite is proposed. An analytical solution of this model is obtained. The solution is used as a basis for calculating the elastic moduli and sound speed in graphite. It i...

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Veröffentlicht in:Atomic energy (New York, N.Y.) N.Y.), 2009-11, Vol.107 (5), p.326-332
Hauptverfasser: Panyukov, S. V., Subbotin, A. V.
Format: Artikel
Sprache:eng
Schlagworte:
Anisotropy
Graphite
Hadrons
Heavy Ions
Hydrostatic pressure
Morphology
Nuclear Chemistry
Nuclear Energy
Nuclear Physics
Nuclear reactors
Physics
Physics and Astronomy
Radiation
Reactors
Studies
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Zusammenfassung:A model taking account of the contribution of the filler, binder, and ensemble of microcracks in the characteristics of reactor graphite is proposed. An analytical solution of this model is obtained. The solution is used as a basis for calculating the elastic moduli and sound speed in graphite. It is shown that the anisotropy of the computed sound speed and its dependence on the hydrostatic pressure are in agreement with experiment.
ISSN:1063-4258
1573-8205
DOI:10.1007/s10512-010-9232-0