Standard Svensk standard · SS-EN ISO 15646:2016

Kärnbränsleteknik - Omsintringstest för kutsar av UO2, (U,Gd)O2 och (U,Pu)O2 (ISO 15646:2014)

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Standard Svensk standard · SS-EN ISO 15646:2016

Kärnbränsleteknik - Omsintringstest för kutsar av UO2, (U,Gd)O2 och (U,Pu)O2 (ISO 15646:2014)
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Omfattning
This International Standard 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. 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.On the assumption of the prediction, it is necessary to correlate the results of this test by some correlation rules, because the results of this test vastly depend on the re-sintering conditions (such as heat treatment temperature, treatment time, gas content, and partial oxygen pressure).

Ämnesområden

Klyvbara material (27.120.30)


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Standard Svensk standard · SS-EN ISO 15646:2016

Kärnbränsleteknik - Omsintringstest för kutsar av UO2, (U,Gd)O2 och (U,Pu)O2 (ISO 15646:2014)
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Pris: 735 SEK
standard ikon pdf

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Produktinformation

Språk: Engelska

Framtagen av: Kärnenergi, SIS/TK 405

Internationell titel: Re-sintering test for UO2, (U,Gd)O2 and (U,Pu)O2 pellets (ISO 15646:2014)

Artikelnummer: STD-8020201

Utgåva: 1

Fastställd: 2016-04-25

Antal sidor: 20