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Metallic residues after hydriding of zirconium
KTH, Skolan för industriell teknik och management (ITM), Materialvetenskap.
KTH, Skolan för industriell teknik och management (ITM), Materialvetenskap.
2012 (engelsk)Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
Abstract [en]

As a part of the production of nitride nuclear fuel for use in fast nuclear reactors, zirconium is hydrided followed by nitriding and mixing with uranium nitride. This work concludes a study of unwanted metallic particles present in a powder that is supposed to be a zirconium hydride. Sponge zirconium was hydrided at different temperatures and different time intervals, and the resulting hydride was milled into a powder. The powders were analyzed using SEM and XRD after which the powders were pressed into pellets for light optical microscopic study. The primary goals were determination of the structure of the particles and thereafter elimination of them. It was seen that hydriding at 500 C results in less metal particles but more experiments need to be conducted to confirm this.

sted, utgiver, år, opplag, sider
2012. , s. 48
Emneord [en]
zirconium hydride, ZrH, nuclear fuel, nitride, metallic residues, hydriding, hydrogenation
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-125027OAI: oai:DiVA.org:kth-125027DiVA, id: diva2:638959
Fag / kurs
Materials Science and Engineering
Utdanningsprogram
Master of Science in Engineering - Materials Design and Engineering
Veileder
Examiner
Tilgjengelig fra: 2013-08-30 Laget: 2013-08-05 Sist oppdatert: 2022-06-23bibliografisk kontrollert

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Andersson, Arvhult, 2012(22832 kB)513 nedlastinger
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