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Kinetics of hydride front in Zircaloy-2 and H release from a fractional hydrided surface
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10.1116/1.3130147
/content/avs/journal/jvsta/27/4/10.1116/1.3130147
http://aip.metastore.ingenta.com/content/avs/journal/jvsta/27/4/10.1116/1.3130147
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Scheme of the experimental equipment used to compare the hydriding resistance of claddings under a gas phase fluxing along the tube. The H arrow represents the H atomic flux that dissolves and precipitates in the tube wall. A very small proportion is able to reach the tube outer surface and desorbs to the UHV chamber in the form of (see text). Heated sample , temperature , distance between voltage .

Image of FIG. 2.
FIG. 2.

Polished cladding sections corresponding to the center of different claddings showing the progression of the hydriding rim.

Image of FIG. 3.
FIG. 3.

(a) HDE and its comparison with the hydride rim thickness. (b) shows the thickness vs time dependence. The scaling factors are shown for each case, as well as the energy needed to produce a hydride rim of in thickness per unit of cladding length, factor .

Image of FIG. 4.
FIG. 4.

Hydriding dissipated power (HDP) vs rim thickness showing a near ideal dependence.

Image of FIG. 5.
FIG. 5.

vs rim thickness and the agreement with the proposed desorption model.

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/content/avs/journal/jvsta/27/4/10.1116/1.3130147
2009-06-29
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Kinetics of hydride front in Zircaloy-2 and H release from a fractional hydrided surface
http://aip.metastore.ingenta.com/content/avs/journal/jvsta/27/4/10.1116/1.3130147
10.1116/1.3130147
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