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The presentation deals with the fabrication, irradiation and nondestructive postirradiation examination of LMR fuel pins with mixed (U, Pu)-carbide fuels. Fuel composition varied in a wide range of tolerances with respect to oxygen and phase content and microstructure. The 19 carbide pins were irradiated in the fast neutron flux of the KNK II reactor to a burnup of about 7 at% without any failure in the centre of a KNK carrier element at a maximum linear rating of 800 W/cm. After dismantling in the hot cells of KfK, nondestructive examinations were carried out comprising dimensional controls, radiography, gamma-scanning and eddy-current testing. The results indicate differences in fuel behaviour with respect to composition of the fuel.

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Authors: GEITHOFF D, Kernforschungszentrum Karlsruhe GmbH, Karlsruhe (DE);MÜHLING G, Kernforschungszentrum Karlsruhe GmbH, Karlsruhe (DE);RICHTER K, Europäisches Institut für Transurane, Karlsruhe (DE)
Bibliographic Reference: Paper presented: 15th International Symposium on the Scientific Basis for Nuclear Waste Management, Strasbourg (FR), November 5-8, 1991
Availability: Available from (1) as Paper EN 36377 ORA
Record Number: 199210990 / Last updated on: 1994-12-02
Original language: en
Available languages: en