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2026 Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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Latest News
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).
E. Yilmaz, F. G. Hammitt
Nuclear Science and Engineering | Volume 63 | Number 3 | July 1977 | Pages 319-329
Technical Paper | doi.org/10.13182/NSE77-A27043
Articles are hosted by Taylor and Francis Online.
The effects of fast-neutron irradiation and a 6-kG magnetic field on the nuclei spectra and cavitation inception thresholds are examined in water. Nuclei spectra are measured using a light-scattering technique. An acoustic vibratory horn assembly was used for cavitation generation. It was found that fast-neutron irradiation increased the total number of nuclei above ∼4 µm in diameter by ∼1% and decreased the cavitation inception threshold by ∼3%. No measurable effect of the magnetic field was found on either nuclei count (and spectrum) or the cavitation threshold.
