Proposal of new Oβ oxidation criterion for new types of the Zr1Nb alloy of fuel claddings

Negyesi, Martin; Klouček, V.; Lörinčı́k, Jan; Novotný, L.; Kabátová, Jitka; Linhart, S.; Adámek, J.; Vrtílková, Věra

doi:10.1016/j.nucengdes.2012.09.033

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“…This criterion is expressed as a function of in-reactor hydrogen pickup [3,4]. Alternative K-criterion and O-beta criterion for E110 alloys were developed in UJP [5,6] also. Both are applicable for specimens with hydrogen content.…”

Section: Introductionmentioning

confidence: 99%

Hydrogen Charging of Fuel Cladding Methodology

Krejčí¹,

Kabátová

Kočí³

et al. 2016

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Hydrogen content is a very important parameter for mechanical properties of fuel cladding, especially after LOCA transients. Therefore, it is necessary to take into account the amount of hydrogen absorbed in the fuel cladding during normal operation (before a hypothetical LOCA). The required value of hydrogen content is possible to reach by a long-term pre-oxidation test or a much shorter hydrogen charging experiment. The methodology of hydrogen charging developed in UJP is described in this contribution. Results of experiments aiming to prepare samples with uniform hydrides and samples with a rim-layer and other hydrides are shown.

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Section: Introductionmentioning

confidence: 99%