MRS Proceedings

Table of Contents - Volume  1107  - Scientific Basis for Nuclear Waste Management XXXI  

Editors : R.W. Grimes, J.W. Roberts. N.C. Hyatt, W.E. Lee

Articles

The Use of Surrogates in Waste Immobilization Studies: A Case Study of Plutonium

2008 MRS Spring Meeting.

Paul A. Binghama1, Russell J. Handa1, Martin C. Stennetta1, Neil C. Hyatta1 and Mike T. Harrisona2

a1 Immobilization Science Laboratory, Department of Engineering Materials, University of Sheffield, Sir Robert Hadfield Building, Mappin Street, Sheffield S1 3JD, UK.

a2 Materials and Products, Nexia Solutions Ltd, The Technology Centre, Sellafield, Seascale CA20 1PG, UK.

Abstract

Surrogates are widely used in the research and development of nuclear wasteforms, providing detailed insight into the chemical and physical behaviour of the wasteform whilst avoiding the widespread (restricted and costly) use of radiotoxic elements in the laboratory. However, caution must be exercised when dealing with surrogates since no single element or compound perfectly mimics all aspects of the behaviour of another. In this paper we present a broad discussion of the use of surrogates in waste immobilization, drawing upon and highlighting our research into glass and ceramic wasteforms for the immobilization of bulk PuO2.

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