Theory of radiation-induced shape-change of graphite

Theory of radiation-induced shape-change of graphite

A theory of radiation effects in graphite based on a description of the evolution of an ensemble of microcracks as a result of radiation-induced shape-change of crystallites is constructed. Curves of the shape-change and change of the elastic modulus as a function of the irradiation dose are constru...

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Veröffentlicht in:Atomic energy (New York, N.Y.) N.Y.), 2008-07, Vol.105 (1), p.32-41
Hauptverfasser: Panyukov, S. V., Subbotin, A. V.
Format: Artikel
Sprache:eng
Schlagworte:
Approximation
Energy
Graphite
Hadrons
Heavy Ions
Irradiation
Morphology
Nuclear Chemistry
Nuclear Energy
Nuclear engineering
Nuclear Physics
Physics
Physics and Astronomy
Radiation
Studies
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Zusammenfassung:A theory of radiation effects in graphite based on a description of the evolution of an ensemble of microcracks as a result of radiation-induced shape-change of crystallites is constructed. Curves of the shape-change and change of the elastic modulus as a function of the irradiation dose are constructed, the scale effect is explained, and it is predicted that there is a dependence on the angle relative to the axis of orthotropy and that hydrostatic compression affects the sound speed in graphite.
ISSN:1063-4258
1573-8205
DOI:10.1007/s10512-008-9060-7