Spark plasma sintering of (U,Ce)O2 as a MOx nuclear fuel surrogate

•Conventional and spark plasma sintering (SPS) used to manufacture UO2 and (U, Ce)O2 pellets.•Conventional Ce-MOx had bi-modal grain size with larger grains in Ce rich regions.•Enhanced grain growth due to redox reaction between Ce and U cations.•Ce rich islands within fuel specification for thermal...

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Veröffentlicht in:	Journal of nuclear materials 2021-12, Vol.557, p.153302, Article 153302
Hauptverfasser:	Harrison, R.W., Morgan, J., Buckley, J., Abram, T., Goddard, D.T., Barron, N.J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Actinides Cerium Fast nuclear reactors Field assisted sintering Heterogeneity Irradiation Mimas MOx Nuclear fission Nuclear fuel Nuclear fuels Nuclear reactors Oxide Particle size distribution Pellets Plasma sintering Plutonium Plutonium oxides Reactors Size distribution Spark plasma sintering Temperature requirements Uranium Uranium dioxide
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