High Burn-up Structure in Nuclear Fuel: Impact on Fuel Behavior Jean Noirot, Yves Pontillon, Jérôme Lamontagne, Isabelle Zacharie-Aubrun, Karine Hanifi, Philippe Bienvenu and Lionel Desgranges EPJ Web of Conferences, 115 (2016) 04005 Published online: 04 April 2016 DOI: 10.1051/epjconf/201611504005