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Reactor Physics
The division's objectives are to promote the advancement of knowledge and understanding of the fundamental physical phenomena characterizing nuclear reactors and other nuclear systems. The division encourages research and disseminates information through meetings and publications. Areas of technical interest include nuclear data, particle interactions and transport, reactor and nuclear systems analysis, methods, design, validation and operating experience and standards. The Wigner Award heads the awards program.
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2024 ANS Annual Conference
June 16–19, 2024
Las Vegas, NV|Mandalay Bay Resort and Casino
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Fusion Science and Technology
Latest News
Proving DRACO will deliver
The United States is now closer than it has been in over five decades to launching the first nuclear thermal rocket into space, thanks to DRACO—the Demonstration Rocket for Agile Cislunar Orbit.
Boris Yu. Goloborodsky, Vladimir V. Ovchinnikov, Vladimir A. Semionkin
Fusion Science and Technology | Volume 39 | Number 3 | May 2001 | Pages 1217-1228
Technical Paper | doi.org/10.13182/FST01-A176
Articles are hosted by Taylor and Francis Online.
The effect is studied of ion bombardment (Ar+, E = 20 keV, j = 100 A/cm2, F = 5 × 1016 to 1018 cm-2) and thermal annealing on the atomic and magnetic structure of the FePd2Au alloy after 80% cold plastic deformation and quenching from 1200°C. It is established by the Mössbauer effect and X-ray diffraction that ion irradiation at 350°C (for 1.5 to 30 min) causes formation in the disordered face-centered-cubic matrix of a long-range atomic order (of an Fe atom sublattice at an anomalously large depth up to 20 m, at an ion projected range of ~13 nm) accompanied by ferromagnetic to asperomagnetic phase transition (Tmeas = 77 K). Annealing at T = 350°C up to 30 min in the absence of irradiation does not result in any noticeable changes in the atomic and magnetic structure. Atom mobility (the ordered structure formation rate) in the course of irradiation at 350°C is approximately the same as observed in the case of annealing at 700°C.