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Fundamental Studies of Irradiation Effects in Fusion Materials

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Conclusion

Realizing the promise of fusion will require innovative solutions to materials problems. Meeting this challenge requires utilizing a broad array of materials research tools. In the area of radiation effects, substantial progress is being made. Experiments in a variety of radiation environments and computer simulation have clarified our understanding of total defect production rates in events ranging from near displacement threshold to the energetic cascades created by fusion neutrons. Design uncertainty has been reduced by acquisition of engineering data for superconducting magnet systems. Development of instrumentation for in-situ experiments and degradation studies of components provided a basis for future diagnostic systems. Measurements of material properties such as induced activation and transmutant production have built the data base needed for future experiments and design choices. In this work, RTNS-II had a unique role. It was the world’s only 14 MeV neutron source dedicated to materials research.

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Guinan, M.W. Fundamental Studies of Irradiation Effects in Fusion Materials. MRS Bulletin 14, 20–28 (1989). https://doi.org/10.1557/S0883769400062126

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