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May 31–June 3, 2026
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Perpetual Atomics, QSA Global produce Am fuel for nuclear space power
U.K.-based Perpetual Atomics and U.S.-based QSA Global claim to have achieved a major step forward in processing americium dioxide to fuel radioisotope power systems used in space missions. Using an industrially scalable process, the companies said they have turned americium into stable, large-scale ceramic pellets that can be directly integrated into sealed sources for radioisotope power systems, including radioisotope heater units (RHUs) and radioisotope thermoelectric generators (RTGs).
G. L. Morgan
Nuclear Science and Engineering | Volume 70 | Number 2 | May 1979 | Pages 163-176
Technical Paper | doi.org/10.13182/NSE79-A19649
Articles are hosted by Taylor and Francis Online.
Cross sections have been measured for the 14N(n, p0) reaction from 0.5 to 7.0 MeV and for the (n, α0) and (n, α1) reactions from 1 to 15 MeV and from 4 to 15 MeV, respectively. The data were obtained using a gaseous scintillator containing nitrogen and xenon mixtures. A Linac was used as a pulsed white neutron source with a 29-m flight path. The results of the measurement are compared to the current evaluated file for nitrogen; agreement is good for neutron energies below 8 MeV, but the measurement is substantially higher than the evaluation for neutron energies near 10 MeV.
