In-Reactor Measurement of Neutron Absorber Performance

G. W. Hollenberg; J. L. Jackson; J. A. Basmajian

doi:dx.doi.org/10.13182/NT80-A32510

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Home / Publications / Journals / Nuclear Technology / Volume 49 / Number 1

In-Reactor Measurement of Neutron Absorber Performance

G. W. Hollenberg, J. L. Jackson, J. A. Basmajian

Nuclear Technology / Volume 49 / Number 1 / June 1980 / Pages 92-101

Technical Paper / Nuclear Power Reactor Safety / Reactor / dx.doi.org/10.13182/NT80-A32510

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An instrumented absorber experiment in the Experimental Breeder Reactor-II yielded data on the helium release of boron carbide at exposures up to 53 × 10²⁰ neutron captures/cm³ and temperatures from 766 to 952°C. Helium release results demonstrated a high rate of helium release initially, and a much lower rate at higher burnup levels. In addition, the experiment demonstrated the effectiveness of vents in releasing gas from a plenum during irradiation.