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SUMMARY:Structural integrity of the graphite cores in the UK AGR - Profess
 or James Marrow\, Oxford University
DTSTART:20130131T163000Z
DTEND:20130131T180000Z
UID:TALK42515@talks.cam.ac.uk
CONTACT:Jo Boyle
DESCRIPTION:One of the factors that may affect the operating lifetime of t
 he UK Advanced Gas Reactors (AGR) is the ageing of the neutron-moderating 
 graphite core\; the combined effects of neutron irradiation and radiolytic
  oxidation gradually change the material properties of the graphite.  The 
 continued operation of the reactors relies on a sound understanding of the
 se changes and their consequences\, supported by regular monitoring and in
 spection to verify the conservatism of the predictive models.  The methodo
 logy is multi-scale\, from the physics of graphite crystals to the behavio
 ur of the entire reactor core\; the talk will describe some of the element
 s of this methodology\, using current research on the mechanical propertie
 s of graphite structures (strength\, toughness\, stiffness) as an example.
LOCATION:Cambridge University Engineering Department\, Lecture Room 6
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