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FLiBe-Vanadium Alloy System Corrosion Product Radiation Hazards Analysis

A. C. Klein, D-K. Sze

Fusion Science and Technology / Volume 10 / Number 3P2A / November 1986 / Pages 747-752

Fusion Materials—Radiation Effects and Activation / Proceedings of the Seveth Topical Meeting on the Technology of Fusion Energy (Reno, Nevada, June 15–19, 1986) / dx.doi.org/10.13182/FST86-A24830

An assessment is made of the gamma radiation hazards likely to be found near a fusion reactor which employs a vanadium alloy for the blanket and first wall structure, ferritic-steel HT9 for the remainder of the loop and molten salt FLiBe as coolant/tritium breeding fluid. Since the radiation levels near the primary loop components are found to be less than 100 mR/hr 3–5 days after shutdown after three years of continuous full power operation, limited hands-on maintenance is conceivable. The very short half-lives of the predominant corrosion products make this result possible and make such a system very attractive.