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Preferred Label : nuclear graphite;

IUPAC definition : A polygranular graphite material for use in nuclear reactor cores consisting of graphitic carbon of very high chemical purity. High purity is needed to avoid absorption of low-energy neutrons and the production of undesirable radioactive species.;

Scope note : apart from the absence of neutron-absorbing impurities, modern reactor graphites are also characterized by a high degree of graphitization and no preferred bulk orientation. such properties increase the dimensional stability of the nuclear graphite at high temperatures and in a high flux of neutrons. the term nuclear graphite is often, but incorrectly, used for any graphite material in a nuclear reactor, even if it serves only for structural purposes.;

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A polygranular graphite material for use in nuclear reactor cores consisting of graphitic carbon of very high chemical purity. High purity is needed to avoid absorption of low-energy neutrons and the production of undesirable radioactive species.

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29/07/2025


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