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Fall 2008 Logo2008 MRS Fall Meeting & Exhibit

December 1-5, 2008 | Boston
Meeting Chairs:
 S. Ashok, Shenda M. Baker, Michael R. Fitzsimmons, Young-Chang Joo

Symposium Q : Scientific Basis for Nuclear Waste Management XXXII

2008-12-01   Show All Abstracts

Symposium Organizers

Raul B. Rebak GE Global Research
Neil C. Hyatt The University of Sheffield
David A. Pickett Southwest Research Institute
Q1: National Programmes and Advanced Fuel Cycles
Session Chairs
David Pickett
Raul Rebak
Monday PM, December 01, 2008
Back Bay D (Sheraton)

10:00 AM - **Q1.1
Long-Term Peformance of the Proposed Yucca Mountain Repository, USA.

Peter Swift 1
1 , Sandia National Laboratories, Albuquerque , New Mexico, United States

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10:30 AM - **Q1.2
Integration of Postclosure Safety Analysis with Repository Design for the Yucca Mountain Repository through the Selection of Design Control Parameters.

Gerald Nieder-Westermann 1 , Robert Andrews 1 , Neil Brown 2 , Robert Spencer 1
1 , Bechtel SAIC Company, LLC, Las Vegas, Nevada, United States, 2 , Los Alamos National Laboratory, Las Vegas, Nevada, United States

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11:00 AM - Q1
BREAK

11:30 AM - **Q1.3
A Trade Study for Waste Concepts to Minimize HLW Volume.

Dirk Gombert 1 , Tim Trickel 4 1 , Steven Piet 2 , Gretchen Matthern 1 , John Vienna 5 , William Ebert 3
1 Environmental Engineering & Technology Department, Idaho National Laboratory, Idaho Falls, Idaho, United States, 4 Nuclear Engineering, North Carolina State University, Raleigh, North Carolina, United States, 2 Reactor Physics Analysis & Design, Idaho National Laboratory, Idaho Falls, Idaho, United States, 5 Process Development, Pacific Northwest National Laboratory, Richland, Washington, United States, 3 Chemical Sciences & Engineering, Argonne National Laboratory, Chicago, Illinois, United States

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12:00 PM - **Q1.4
The National Nuclear Laboratory and Collaborative University Research in the UK.

Graham Fairhall 1
1 , Nexia Solutions Ltd, Sellafield United Kingdom

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12:30 PM - Q1.5
DIAMOND: A New Research Programme to Support UK Decomissioning, Immobilisation and Management of Nuclear Wastes for Disposal.

Neil Hyatt 1 , Simon Biggs 2 , Francis Livens 3 , Jim Young 2
1 Engineering Materials, University of Sheffield, Sheffield United Kingdom, 2 School of Process, Environmental & Materials Engineering, University of Leeds, Leeds United Kingdom, 3 Department of Chemistry, University of Manchester, Manchester United Kingdom

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Q2: Spent Nuclear Fuel
Session Chairs
Graham Fairhall
Virginia Oversby
Monday PM, December 01, 2008
Back Bay D (Sheraton)

2:30 PM - **Q2.1
Key Scientific Issues Related to the Sustainable Management of the Spent Nuclear Fuel in the Back-end of the Fuel Cycle.

Christophe Poinssot 1 , Jean-Marie Gras 2
1 Department of RadioChemistry and Processes, CEA, Nuclear Energy Division, Bagnols / Ceze France, 2 R&D division, EDF, Electricité de France, Moret-Sur-Loing France

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3:00 PM - Q2.2
Influence of the Evolution of the Surface Area Value on the Spent Nuclear Fuel Dissolution Rate for Performance Assessment Studies.

Eduardo Iglesias 1 , Javier Quinones 1 , Juan Manuel Nieto 1 , Nieves Rodriguez 1
1 , CIEMAT, Madrid Spain

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3:15 PM - Q2.3
UO2 Corrosion in an Iron Waste Package.

Elizabeth D. A. Ferriss 1 , Katheryn Helean 2 , Charles Bryan 2 , Patrick Brady 2 , Rodney Ewing 1
1 geological sciences, University of Michigan, Ann Arbor, MI, Michigan, United States, 2 , Sandia National Laboratories, Albuquerque, New Mexico, United States

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3:30 PM - Q2.4
The Influence of Canister Material on Radionuclide Retention During Spent Fuel Leaching.

Daqing Cui 1 , Jeanett Low 1 , Vincenzo Rondinella 2 , Jinshan Pan 3 , Kastriot Spahiu 4
1 Spent Fuel Chemistry, Studsvik AB, Nykoping Sweden, 2 Hot Cells , Inst. For Transuranium Elements, Karlsruhe Germany, 3 Div. of Corrosion Science, Inst. For Transuranium Elements, Stockholm Sweden, 4 R & D, SKB, Stockholm Sweden

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3:45 PM - Q2
BREAK

4:15 PM - **Q2.5
Spent Fuel Stability during Storage and Final Disposal.

Vincenzo Rondinella 1 , Thierry Wiss 1 , Joaquin Cobos 1
1 Hot Cells, JRC-ITU, Karlsruhe Germany

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4:45 PM - Q2.6
A New Criterion for the Degradation of a Defective Spent Fuel Rod under Dry Storage Conditions Based on Nuclear Ceramic Cracking.

Lionel Desgranges 1 , Cécile Ferry 2 , Jean Radwan 2
1 DEN/DEC, CEA, Saint-Paul lez Durance France, 2 DEN/DPC, CEA, Saclay France

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5:00 PM - Q2.7
Corrosion Studies with High Burn-up LWR Fuel in Simulated Groundwater.

Ella Ekeroth 1 , Jeanett Low 1 , Hans-Urs Zwicky 2 , Kastriot Spahiu 3
1 Studsvik Nuclear AB, Hot Cell Laboratory, SE-611 82 Nykoping Sweden, 2 Zwicky Consulting GmbH, Mönthalerstr. 44, CH-5236 Remigen Switzerland, 3 SKB, Box 250, SE-101 24 Stockholm Sweden

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5:15 PM - Q2.8
Catalysis of the Reaction Between Hydrogen Peroxide and Hydrogen on Epsilon Particles in Spent Nuclear Fuel.

M. Broczkowski 1 , P. Keech 1 , J. Noel 1 , David Shoesmith 1
1 , University of western ontario, London, Ontario, Canada

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2008-12-02   Show All Abstracts

Symposium Organizers

Raul B. Rebak GE Global Research
Neil C. Hyatt The University of Sheffield
David A. Pickett Southwest Research Institute
Q3: Nuclear Waste Glasses and Vitrification
Session Chairs
Carol Jantzen
Michael Ojovan
Tuesday AM, December 02, 2008
Back Bay D (Sheraton)

9:45 AM - **Q3.1
A New Model for Nuclear Waste Borosilicate Glass Alteration.

Thorsten Geisler 1 , Arne Janssen 1 , Jasper Berndt 1 , Andrew Putnis 1
1 Institut fuer Mineralogie, University of Muenster, Muenster Germany

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10:15 AM - Q3.2
Iron Redox Reactions in Nuclear Waste Glasses and Melts.

Benjamin Cochain 4 1 , Daniel Neuville 1 , Dominique De Ligny 2 , Laurent Cormier 3 , Olivier Pinet 4 , Pascal Richet 1
4 CEA, CEA Valhro SECM-LDMC, Marcoule France, 1 PMM-IPGP-CNRS, IPGP-CNRS, Paris, 75005, France, 2 LPCML, UCBL, Lyon, 69000, France, 3 IMPMC, CNRS, Paris, 75000, France

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10:30 AM - Q3.3
Widening the Envelope of UK HLW Vitrification – Experimental Studies with High Waste Loading Formulations Containing Platinoids.

Carl Steele 1 , Charlie Scales 2
1 High Level Waste Plants, Sellafield Ltd, Seascale, Cumbria, United Kingdom, 2 , Nexia Solutions, Seascale, Cumbria, United Kingdom

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10:45 AM - Q3.4
Radiation Effects in Glass and Ceramic Waste Forms for the Advanced Fuel Cycle.

William Weber 1
1 Chemical & Materials Science Division, Pacific Northwest National Laboratory, Richland, Washington, United States

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11:00 AM - Q3
BREAK

11:30 AM - Q3.5
Microwave Processing of Glasses for Waste Immobilisation.

Martin Stennett 1 , Neil Hyatt 1
1 Engineering Materials, The University of Sheffield, Sheffield, South Yorkshire, United Kingdom

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11:45 AM - Q3.6
In Situ NMR Investigation of Phase Separation in Molybdenum-Bearing Nuclear Waste Glasses.

Scott Kroeker 1 2 , Ian Farnan 2 , Sophie Schuller 3 , Thierry Advocat 4
1 Chemistry, University of Manitoba, Winnipeg, Manitoba, Canada, 2 Earth Sciences, University of Cambridge, Cambridge United Kingdom, 3 DEN/DTCD/SECM/LDMC, CEA Valrhô Marcoule, Bagnols/céze France, 4 DEN/DANS/DPC/SECR, CEA Saclay, Gif sur Yvette France

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12:00 PM - Q3.7
Glass Development for Vitrification of Wet Intermediate Level Waste (WILW) from Decommissionning of the Hinkley Point `A' Site.

Paul Bingham 1 , Neil Hyatt 1 , Russell Hand 1 , Christopher Wilding 2
1 Immobilisation Science Laboratory, University of Sheffield, Sheffield, South Yorkshire, United Kingdom, 2 , Magnox South Ltd., Nr Bridgwater, Somerset, United Kingdom

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12:15 PM - Q3.8
Infrared Spectroscopy Structural Analysis of Corroded Nuclear Waste Glass K-26.

Sergey Stefanovsky 1 , Alexander Barinov 1 , Irene Startseva 1 , Galina Varlakova 1 , Michael Ojovan 2
1 , SIA Radon, Moscow Russian Federation, 2 , University of Sheffield, Sheffield United Kingdom

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12:30 PM - Q3.9
Initiation of Damage in Nuclear Waste by a Nanoscale Pump-probe EELS Technique.

Nan Jiang 1
1 Physics, Arizona State University, Tempe, Arizona, United States

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12:45 PM - Q3.10
Effects of Silica Particle Size and pH on Rheological Properties of Simulated Melter Feed Slurries for Nuclear Waste Vitrification.

Hong Zhao 1 , Ian Pegg 1
1 Vitreous State Laboratory, The Catholic University of America, Washington DC, District of Columbia, United States

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Q4: Ceramic Wasteforms
Session Chairs
Neil Hyatt
Karl Whittle
Tuesday PM, December 02, 2008
Back Bay D (Sheraton)

2:30 PM - **Q4.1
Hiped Tailored Glass-Ceramic Waste Forms for the Immobilization of High-Level Nuclear Waste.

Melody Carter 1
1 IME, ANSTO, Lucas Heights, New South Wales, Australia

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3:00 PM - Q4.2
Calcium Phosphate: A Potential Host for Halide Contaminated Plutonium Wastes.

Brian Metcalfe 1 , Ian Donald 1 , Shirley Fong 1 , Lee Gerrard 1 , Denis Strachan 2 , Randall Scheele 2
1 MSRD, AWE, Reading United Kingdom, 2 , PNNL, Richland, Washington, United States

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3:30 PM - Q4.4
Thermochemistry of New Fission Product Waste Forms.

Tae-Jin Park 1 , Tina Nenoff 2 , Alexandra Navrotsky 1
1 NEAT ORU, UC Davis, Davis, California, United States, 2 , Sandia National Laboratories, Albuquerque, New Mexico, United States

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3:45 PM - Q4.5
Discriminate Immobilization of Cs and Sr Ions in the Form of Single-crystalline Titanates.

Hideki Abe 1 , Akira Satoh 1 , Kenji Nishida 1
1 , National Institute for Materials Science, Tsukuba Japan

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4:00 PM - Q4
BREAK

4:45 PM - Q4.7
Yttrium Substitution in MTiO3 (M=Ca, Sr, Ba) Perovskites and Implication for Incorporation of Fission Products into Ceramic Waste Forms.

Nissim Navi 1 4 2 , Giora Kimmel 3 , Sergey Ushakov 1 , Alexandra Navrotsky 1
1 Peter A Rock Thermochemistry Laboratory and NEAT ORU, University of California at Davis, Davis, California, United States, 4 Chemistry, Nuclear Research Center–Negev, Beer-Sheva Israel, 2 Nuclear Engineering, Ben-Gurion University of the Negev, Beer-Sheva Israel, 3 Institutes for Applied Research, Ben-Gurion University of the Negev, Beer-Sheva Israel

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5:00 PM - Q4.8
Chemical Evolution and Structural Stability of Crystalline Nuclear Waste Forms during Transmutation.

Chao Jiang 1 , Christopher Stanek 1 , Nigel Marks 2 , Kurt Sickafus 1 , Blas Uberuaga 1
1 , Los Alamos National Laboratory, Los Alamos, New Mexico, United States, 2 , University of Sydney, Sydney, New South Wales, Australia

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5:15 PM - Q4.9
Experimental and Atomistic Modelling Study of Ion Irradiation Damage in Thin Crystals of the TiO2 Polymorphs.

Gregory Lumpkin 1 , Bronwyn Thomas 1 3 , Katherine Smith 1 , Mark Blackford 1 , Nigel Marks 3 , Nestor Zaluzec 2 , Karl Whittle 1
1 Institute of Materials Engineering, ANSTO, Sydney, New South Wales, Australia, 3 Physics, University of Sydney, Sydney, New South Wales, Australia, 2 Materials Science Division, Argonne National Laboratory, Chicago, Illinois, United States

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5:30 PM - Q4.10
Porous Alumosilicates as a Filter for High-Temperature Trapping of Cesium-137 Vapour.

Albert Aloy 1 , Alexander Strelnikov 1
1 , Khlopin Radium Institute, Saint Petersburg Russian Federation

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2008-12-03   Show All Abstracts

Symposium Organizers

Raul B. Rebak GE Global Research
Neil C. Hyatt The University of Sheffield
David A. Pickett Southwest Research Institute
Q5: Engineered Barrier Systems, the Near Field and Cementitious
Session Chairs
Nicholas Collier
Douglas Wall
Wednesday AM, December 03, 2008
Back Bay D (Sheraton)

9:45 AM - **Q5.1
EPRI Perspective on Spent Nuclear Fuel Storage, Transportation, and Disposal - Present and Future.

John Kessler 1
1 , EPRI Inc, Charlotte, North Carolina, United States

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10:15 AM - Q5.2
Identification of Oxygen Depleting Components in MX-80 Bentonite.

Torbjorn Carlsson 1 , Arto Muurinen 1
1 , VTT Technical Research Centre of Finland, Espoo Finland

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10:30 AM - Q5.3
Soft X-ray Spectroscopic Characterization of Montmorillonite.

Jan-Erik Rubensson 1 , Franz Hennies 2 , Lars Werme 3 1 , Ola Karnland 4
1 Physics and Materials Science, Uppsala University, Uppsala Sweden, 2 MAX-Lab, Lund University, Lund Sweden, 3 , Swedish Nuclear Fuel and Waste Management Co (SKB), Stockholm Sweden, 4 , Clay Technology AB, Lund Sweden

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10:45 AM - Q5.4
Diffusion Behavior of Humic Acid in Compacted Bentonite: Effect of Ionic Strength, Dry Density and Molecular Weight of Humic Acid.

Kazuki Iijima 1 , Seiichi Kurosawa 2 , Minoru Tobita 2 , Satoshi Kibe 2 , Yuji Ouchi 2
1 , Japan Atomic Energy Agency, Ibaraki Japan, 2 , Inspection Development Company. Ltd., Ibaraki Japan

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11:00 AM - Q5
BREAK

11:30 AM - Q5.5
Experimental Work Conducted on MgO Characterization and Hydration A, B.

Haoran Deng 1 , Yongliang Xiong 1 , Martin Nemer 2 , Shelly Johnsen 1
1 Repository Performance Dept. 6712, Sandia National Laboratories, Carlsbad, New Mexico, United States, 2 Performance Assessment and Decision Analysis Dept. 6711, Sandia National Laboratories, Carlsbad, New Mexico, United States

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11:45 AM - Q5.6
Modelling the Spatial and Temporal Evolution of pH in the Cementitious Backfill of a Geological Disposal Facility.

Joe Small 1 , Olivia Thompson 1
1 Modelling and Environmental Management, Nexia Solutions Ltd, Warrington United Kingdom

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12:00 PM - Q5.7
Properties, Composition and Structure of Cemented Radioactive Wastes Extracted from the Mound-type Repository.

Galina Varlakova 1 , Zoya Golubeva 1 , Alexander Barinov 1 , Igor Sobolev 1 , Michael Ojovan 2
1 Applied Research Centre, Moscow SIA "Radon", Moscow Russian Federation, 2 Immobilisation Science Laboratory, University of Sheffield, Sheffield United Kingdom

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12:15 PM - Q5.8
RBS and micro-PIXE study of I and Cs Heterogeneous Retention on Concrete.

Ursula Alonso 1 , Tiziana Missana 1 , Miguel Garcia-Gutierrez 1 , Alessandro Patelli 2 , Nairoby Albarran 1 , Trinidad Lopez-Torubia 1 , Valentino Rigato 3
1 Environmental, CIEMAT, Madrid Spain, 2 , CIVEN, Venezia- Marguera Italy, 3 , LNL - INFN, Legnaro, Padova, Italy

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12:30 PM - Q5.9
The Inhibition of Aluminium Corrosion in OPC Based Composite Cements.

Nicholas Collier 1 , Neil Milestone 1
1 Department of Engineering Materials, The University of Sheffield, Sheffield United Kingdom

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12:45 PM - Q5.10
Experimental and Modeling Studies of WIPP Near-Field Chemistry by Sandia National Laboratories since the CRA- 2004A, B.

Laurence Brush 1 , Daniel Clayton 2 , Haoran Deng 1 , James Garner 2 , Ahmed Ismail 2 , Shelly Johnsen 3 , Martin Nemer 2 , Edwin Nowak 1 , Gregory Roselle 1 , Yongliang Xiong 1
1 Repository Performance Dept. 6712, Sandia National Laboratories, Carlsbad, New Mexico, United States, 2 Performance Assessment and Decision Analysis Dept. 6711, Sandia National Laboratories , Carlsbad, New Mexico, United States, 3 Carlsbad Programs Group 6710, Sandia National Laboratories , Carlsbad, New Mexico, United States

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Q6/O7: Joint Session: Fluorites: Actinide Fuel and Waste Forms
Session Chairs
Neil Hyatt
Gregory Lumpkin
Wednesday PM, December 03, 2008
Back Bay D (Sheraton)

3:45 PM - **Q6.1/O7.1
Computational Approaches to UO2 Defects and Radiation Damage.

Mark Asta 1 , Sergey Barabash 2 , Anurag Chaudhry 3 , Niels Gronbech-Jensen 3 , Benjamin Hanken 1 , Byoungseon Jeon 3 , Yongduo Liu 2 , Vidvuds Ozolins 2 , Alex Thompson 4 , Pratyush Tiwary 5 , Axel van de Walle 5 , Chris Wolverton 4
1 Chemical Engineering and Materials Science, University of California at Davis, Davis, California, United States, 2 Materials Science and Engineering, University of California, Los Angeles, Los Angeles, California, United States, 3 Applied Science, University of California at Davis, Davis, California, United States, 4 Materials Science and Engineering, Northwestern University, Evanston, Illinois, United States, 5 Materials Science, California Institute of Technology, Pasadena, California, United States

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4:15 PM - Q6.2/O7.2
Combined First Principles and Thermodynamic Calculation of Defect Formation Energies in UO2.

Pankaj Nerikar 1 , Simon Phillpot 1 , Susan Sinnott 1
1 Materials Science & Engineering, University of Florida, Gainesville, Florida, United States

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4:30 PM - Q6.3/O7.3
Oxygen Lattice Distortions and U Oxidation State in UO2+x Fluorite Structures.

Lionel Desgranges 1 , Gianguido Baldinozzi 2 3
1 DEN/CAD/DEC, CEA, St. Paul-lez-Durance France, 2 SPMS, CNRS, Chatenay-Malabry France, 3 DEN/DANS/DMN/SRMA/LA2M, CEA, Gif-sur-Yvette France

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4:45 PM - Q6.4/O7.4
Theory of Defect Clustering in AnO2+x (An=U, Np or Pu).

David Andersson 1 , Juan Lezama 1 , Steven Conradson 1 , Blas Uberuaga 1
1 , Los Alamos National Laboratory, Los Alamos, New Mexico, United States

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5:00 PM - Q6.5/O7.5
Stress-induced Phase Transformation in Nanocrystalline UO2.

Tapan Desai 1 , Blas Uberuaga 2 , Paul Millett 1 , Dieter Wolf 1
1 Material Sciences, Idaho National Laboratory, Idaho Falls, Idaho, United States, 2 Materials Science and Technology Division, Los Alamos National Laboratory, Los Alamos, New Mexico, United States

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5:15 PM - Q6.6/O7.6
Helium Behaviour in UO2 doped with 10 wt% of 238PuO2.

Emilio Maugeri 1 , Thierry Wiss 1 , Jean-paul Hiernaut 1 , Jean-Yves Colle 1 , Hartmut Thiele 1 , C. Sabathier 2 , Vincenzo Rondinella 1 , Rudy Konings 1
1 , Institute for Transuranium Elements, Karlsruhe Germany, 2 , Commissariat à l'Energie Atomique, Centre de Cadarache, St-Paul-lez-Durance France

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5:30 PM - Q6.7/O7.7
Cerium Dioxide Surface Characterization.

Nieves Rodriguez 1 , Juan Carlos Marugan 1 , Eduardo Iglesias 1 , Juan Manuel Nieto 1 , Tiziana Missana 1 , Nairoby Albarran 1 , Joaquin Cobos 2 , Javier Quinones 1
1 , CIEMAT, Madrid Spain, 2 , ITU-JRC. European Commission, Karlsruhe Germany

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5:45 PM - Q6.8/O7.8
Order-disorder Phase Transformation and Amorphization of Nd2Zr2O7 in Gd2Zr2O7 in the Electronic Stopping Regime.

Maulik Patel 1 , V. Vijayakumar 1 , Swaminathan Kailas 2 , Devesh Avasthi 3 , Jean-Claud Pivin 4 , Avesh Tyagi 5
1 High Pressure Physics Division, Bhabha Atomic Research Center, Mumbai, Maharashtra, India, 2 Physics Group, Bhabha Atomic Research Centre, Mumbai, Maharashtra, India, 3 Materials Science and Radiation Biology, Inter-University Accelerator Center , New Delhi India, 4 , Centre De Spectrometrie Nucleairie Et De Spectrometrie De Masse-In2P3, Paris, Orsay Campus France, 5 Chemistry Division, Bhabha Atomic Research Centre, Mumbai India

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Q7: Poster Session: Geological Disposal
Session Chairs
Paul Bingham
David Pickett
Thursday AM, December 04, 2008
Exhibition Hall D (Hynes)

9:00 PM - Q7.1
3D Random Walk Simulation of Migration Behavior of Radionuclide in Granite Core.

Yoshimi Seida 1 , Hiroyasu Takase 2 , Yuichi Niibori 3 , Hiroaki Takahashi 4
1 Environmental Chemistry and Engineering, Tokyo Institute of Technology, Yokohama, Kanagawa, Japan, 2 , Quintessa Japan, Yokohama, Kanagawa, Japan, 3 Dept. Quantum Science & Energy Engineering, Tohoku University, Sendai, Miyagi, Japan, 4 Nuclear Chemical Engineering, Institute of Reserach and Innovation, Kashiwa, Chiba, Japan

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9:00 PM - Q7.10
Evolution of the Geochemical Conditions in the Bentonite Barrier and its Influence on the Corrosion of the Carbon Steel Canister.

Elena Torres Alvarez 1 , Alicia Escribano 1 , Maria Jesus Turrero 1 , Pedro Martín 1 , Javier Pena 1
1 Engineered and Geological Barriers, CIEMAT, Madrid, Madrid, Spain

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9:00 PM - Q7.11
A Thermodynamic Approach on the Effect of Salt Concentration on Swelling Pressure of Water-saturated Bentonite.

Haruo Sato 1
1 Geological Isolation Research & Development Directorate, Japan Atomic Energy Agency, Horonobe-cho, Teshio-gun Japan

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9:00 PM - Q7.12
Influence of Humic Acid on Sorption of Sedimentary Rock for Se and Th.

Yoshimi Seida 1 , Yukio Tachi 1 , Akira Kitamura 1 , Toshiyuki Nakazawa 2 , Norikazu Yamada 2
1 Geological Isolation Research Unit, Japan Atomic Energy Agency, Tokai, Ibaraki, Japan, 2 Naka Energy Research Laboratory, Mitsubishi Materials Corporation, Naka, Ibaraki, Japan

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9:00 PM - Q7.13
Sorption and Diffusion of Cs in Horonobe-URL's Sedimentary Rock : Comparison and Model Prediction of Retardation Parameters from Batch Sorption and Diffusion Experiments.

Yukio Tachi 1 , Yoshimi Seida 1 , Reisuke Doi 1 , Xiaobin Xia 1 , Mikazu Yui 1
1 Geological Isolation Research and Development Directorate, Japan Atomic Energy Agency, Tokai, Ibaraki Japan

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9:00 PM - Q7.14
Migration Behavior of Bentonite Colloids through a Fractured Rock.

Yoshio Kuno 1 , Hiroshi Sasamoto 1
1 Geological Isolation Research and Development Directorate, Japan Atomic Energy Agency, Tokai-Mura, Ibaraki, Japan

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9:00 PM - Q7.15
Transport of Uranium in a Granite Fracture: Effect of the Presence of Bentonite Colloids.

Nairoby Albarran 1 , Tiziana Missana 1 , Ursula Alonso 1 , Miguel Garcia-Gutierrez 1 , Manuel Mingarro 1 , Trinidad Lopez 1
1 Departamento de Medioambiente, CIEMAT, Madrid, Madrid, Spain

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9:00 PM - Q7.16
Filtration of Gold Colloids in Compacted Bentonite.

Michael Holmboe 1 , Susanna Wold 1
1 School of Chemical Science and Engineering, Royal Institute of Technology, Stockholm Sweden

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9:00 PM - Q7.17
A Systematic Approach to Evaluate the Importance of Key Uncertainties Affecting the Geological Disposal of Radioactive Wastes.

Takao Ohi 1 , Manabu Inagaki 1 , Makoto Kawamura 1 , Takeshi Ebashi 1
1 Geological Isolation R&D Directorate, Japan Atomic Energy Agency, Naka-gun Ibaraki-ken Japan

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