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Radiation Tolerance and Disorder – Can They Be Linked?

Published online by Cambridge University Press:  31 January 2011

Karl Whittle ,
Mark Blackford ,
Katherine L. Smith ,
Gregory Lumpkin  and
Nestor J. Zaluzec
Karl Whittle
Affiliation:
karlwhittle@me.com
Mark Blackford
Affiliation:
mgb@ansto.gov.au, ANSTO, IME, Sydney, New South Wales, Australia
Katherine L. Smith
Affiliation:
kls@ansto.gov.au, ANSTO, IME, Sydney, New South Wales, Australia
Gregory Lumpkin
Affiliation:
grl@ansto.gov.au, ANSTO, IME, Sydney, New South Wales, Australia
Nestor J. Zaluzec
Affiliation:
zaluzec@aaem.amc.anl.gov, Argonne National Laboratory, Electron Microscopy Center, Chicago, Illinois, United States
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Abstract

The future expansion of nuclear power provides materials challenges that are not easily overcome, for example the safe immobilisation of nuclear waste is an important component in any future expansion of nuclear power. The use of ceramic-based materials, as opposed to borosilicate glasses, is now being investigated widely. The ability of ceramics to be tailored to a specific waste stream is now understood and obtainable quickly and with minimal cost. A second component that limits the expansion of fission-based technologies is the development of materials that are not only tolerant of radiation damage, but are also capable of retaining mechanical strength at high temperatures. One concern for any material however, is the effect of radiation damage, primarily from alpha-decay damage, which in many systems can transform the material from crystalline to amorphous. The effects of such radiation damage on both the structural and chemical properties can range from trivial to critical, for example volume expansion and are the primary focus of much research. As part of a long-term research programme the effects on radiation tolerance of a range of ordered and disordered materials are discused.

Keywords

radiation effectsamorphouscrystalline
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1215: Symposium V – Materials Research Needs to Advance Nuclear Energy , 2009 , 1215-V11-01
Copyright
Copyright © Materials Research Society 2010

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