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GAO: Clarification of HLW definition could save DOE billions
A clearer definition of what constitutes high-level radioactive waste could save the Department of Energy’s Office of Environmental Management “tens of billions of dollars” in waste management costs and accelerate its cleanup schedule by decades, according to a report by the U.S. Government Accountability Office.
DOE-EM’s efforts to manage waste resulting from legacy spent nuclear fuel reprocessing have been hindered for decades by the ambiguity of the statutory definition of HLW as laid out in the Atomic Energy Act and Nuclear Waste Policy Act, the report states. While admitting that the DOE has taken steps to overcome this ambiguity, the GAO says that the department has not fully evaluated all available opportunities to treat and dispose of waste more economically as either transuranic or low-level radioactive waste.
G.R. Edwards, D.K. Matlock, B.A. Eberhard
Fusion Science and Technology | Volume 8 | Number 1 | July 1985 | Pages 937-943
Material Engineering — Fabrication and Testing | Proceedings of the Sixth Topical Meeting on the Technology of Fusion Energy (San Francisco, California, March 3-7, 1985) | doi.org/10.13182/FST85-A40154
Articles are hosted by Taylor and Francis Online.
The embrittlement of 2 1/4Cr-1Mo steel by lithium or lead-lithium liquids can occur when loading conditions and microstructural strengthening effects limit plastic relaxation at points of high stress, and a critical liquid metal induced embrittlement (LMIE) stress is reached. This paper presents the LMIE results of both constant displacement rate uniaxial tensile testing and fatigue crack propagation studies. The temperature for the onset of LMIE susceptibility at a given localized strain rate is shown to be predictable based on a critical value of flow stress, calculated by means of the Zener-Holloman parameter.
