Scientific basis for nuclear waste management XXV: symposium held November 26-29, 2001, Boston, Massachusetts, U.S.A.
Materials Research Society, 2002 - 930 ページ
This volume opens with a keynote lecture by Rodney Ewing, member of the Board of Radioactive Waste Management of the National Research Council. Ewing summarizes 25 years of materials research in nuclear waste, emphasizing the progress that has been made and the challenges that still confront investigators and technologists in materials science and repository performance evaluation. The session is followed by one on container materials and engineered barriers, and includes a discussion on the corrosion performance expected for waste packages in the proposed high-level nuclear waste repository at Yucca Mountain, Nevada. Invited papers on performance assessment and repository studies for different national programs are also highlighted, with representation from the United States, Sweden, Japan, Belgium, Switzerland, Italy, and the United Kingdom. A large number of papers focus on the structure, properties, and degradation of various waste forms such as glasses, ceramics (mostly for plutonium immobilization), cements, and spent nuclear fuel. For the second consecutive time, the number of papers on ceramics far exceeds those on glass, which had been the dominant material discussed at this symposium over the prior 23 years. New studies on zirconates confirm the recently discovered high radiation damage-resistance of this material. Additional topics include: performance assessment in high-level waste disposal; performance assessment in low-level waste disposal; ceramic structure and corrosion; radiation effects in ceramics; glass structure and corrosion; spent fuel; spent fuel cladding and alternative waste forms; cements in radioactive waste immobilization; contaminant transport; natural analogs; and waste processing.
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CONTAINER MA TERIALS
Corrosion Performance Projection of Yucca Mountain Waste
Waste Package Environment for the Yucca Mountain Site
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2002 Materials Research actinides Alloy 22 amorphization analcime analysis aqueous Basis for Nuclear bentonite Boom Clay brannerite calculated cation ceramic cesium chemical colloids composition concentration containing crystalline crystals decrease density diffusion disposal dissolution rate dose effects electron elements Energy environment experimental experiments Figure fluorite fraction geological glass groundwater Hanford Site immobilization increase irradiation layer leaching localized corrosion Materials Research Society matrix measured metal minerals National Laboratory Nuclear Waste Nuclear Waste Management oxide oxygen parameters performance assessment phase plutonium pollucite potential precipitation Proc pyrochlore R.C. Ewing radiation Radioactive Waste radionuclides reaction reactor redox repository salt samples scenario schoepite simulation sintered sodalite solid solubility solution sorption specimens spent fuel structure surface Symp Table temperature tests uncertainty uraninite uranium values waste form Waste Management waste package X-ray Yucca Mountain zirconate zirconolite