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IAEA project aims to develop polymer irradiation model
The International Atomic Energy Agency has launched a new coordinated research project (CRP) aimed at creating a database of polymer-radiation interactions in the next five years with the long-term goal of using the database to enable machine learning–based predictive models.
Radiation-induced modifications are widely applicable across a range of fields including healthcare, agriculture, and environmental applications, and exposure to radiation is a major factor when considering materials used at nuclear power plants.
Eugene Goldberg, Ronald L. Barber, Norman A. Bonner, Clyde M. Griffith, David R. Nethaway, Robert C. Haight
Nuclear Science and Engineering | Volume 94 | Number 2 | October 1986 | Pages 120-135
Technical Paper | doi.org/10.13182/NSE86-A27447
Articles are hosted by Taylor and Francis Online.
A large cylindrical assembly of 6LiD was irradiated by neutrons from a high-intensity deuterium-tritium source. Small samples of 6Li, 7Li, and 6LiH, all encapsulated in lead, were positioned along the assembly axis and served as indicators for 4He and tritium production. The amount of 4He was determined by isotope dilution mass spectrometry while the tritium content of the 6LiH wafers was measured by proportional counting of gas samples. Careful comparison of the results with TART Monte Carlo calculations showed excellent agreement. For 4He generation, the experimental values were 1.01 ± 0.06 times those of the calculations, while for tritium the ratio was 1.055 ± 0.07.
