DIN EN ISO 15646:2016 Edition

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Re-sintering test for UO2, (U,Gd)O2 and (U,Pu)O2 pellets

Published By	Publication Date	Number of Pages
DIN	2016-07	12

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Categories: 27.120.30 - Fissile materials and nuclear fuel technology, DIN

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Description

ISO 15646:2014 describes a procedure for measuring the densification of UO2, (U,Gd)O2, and (U,Pu)O2 pellets, achieved by heat treatment under defined conditions.The densification of fuel in power operation is an important design feature. Essentially, it is dependent on structural parameters such as pore size, spatial pore distribution, grain size, and in the case of (U,Gd)O2 and (U,Pu)O2, oxide phase structure. A thermal re-sintering test can be used to characterize the dimensional behaviour of the pellets under high temperature. A thermal re-sintering test can be used to characterize the dimensional behaviour of the pellets under high temperature. The results of this test are used by the fuel designer to predict dimensional behaviour in the reactor, because thermal densification in the reactor is also dependent on these structural parameters, albeit in a differing manner in terms of quantity.

Additional information

Published Code	DIN
Published By	Deutsches Institut für Normung
Publication Date	2016-07
Pages Count	12
Language	Germany
Descriptors	Density, Density measurement, Determination procedures, Fuels, Heat, Materials testing, Measurement, Measuring techniques, Nuclear fuels, Pellets, Plutonium, Sintering, Testing, Uranium, Uranium dioxide
File Size	1.5 MB
ICS Codes	27.120.30 - Fissile materials and nuclear fuel technology

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DIN EN ISO 15646:2016 Edition

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