Standard Swedish standard · SS-ISO 15646:2014

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

Status: Valid

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Standard Swedish standard · SS-ISO 15646:2014

Re-sintering test for UO2, (U,Gd)O2 and (U,Pu)O2 pellets (ISO 15646:2014, IDT)
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Scope
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. 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.

Subjects

Fissile materials (27.120.30)


Buy this standard

Standard Swedish standard · SS-ISO 15646:2014

Re-sintering test for UO2, (U,Gd)O2 and (U,Pu)O2 pellets (ISO 15646:2014, IDT)
Subscribe on standards - Read more Dölj
Price: 636 SEK
standard ikon pdf

PDF

Price: 636 SEK
standard ikon

Paper

Price: 1 017,60 SEK
standard ikon pdf + standard ikon

PDF + paper

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Product information

Language: English

Written by: Svenska institutet för standarder

International title:

Article no: STD-102909

Edition: 1

Approved: 9/16/2014

No of pages: 20