Development of a double pellet ThO2-UO2

M. Fisher; I. Jacob; Z. Hadari

doi:10.1016/0022-3115(86)90012-7

Development of a double pellet ThO₂-UO₂

M. Fisher, I. Jacob, Z. Hadari

Unit of Nuclear Engineering

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

The influence of the properties and the treatments of UO₂ and ThO₂ powders on the preparation of a double pellet composed by UO₂ inner core and ThO₂ outer hollow cylinder was studied. Although a simultaneous pressing-sintering process is preferable due to its relative simplicity and quickness, good (uncracked) double pellets were manufactured only by a two-step separate UO₂ and ThO₂ pressing and sintering. Different shrinkage kinetics of the two components are responsible for this behaviour.

Original language	English
Pages (from-to)	242-247
Number of pages	6
Journal	Journal of Nuclear Materials
Volume	138
Issue number	2-3
DOIs	https://doi.org/10.1016/0022-3115(86)90012-7
State	Published - 1 Jan 1986

ASJC Scopus subject areas

Nuclear and High Energy Physics
General Materials Science
Nuclear Energy and Engineering

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10.1016/0022-3115(86)90012-7

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abstract = "The influence of the properties and the treatments of UO2 and ThO2 powders on the preparation of a double pellet composed by UO2 inner core and ThO2 outer hollow cylinder was studied. Although a simultaneous pressing-sintering process is preferable due to its relative simplicity and quickness, good (uncracked) double pellets were manufactured only by a two-step separate UO2 and ThO2 pressing and sintering. Different shrinkage kinetics of the two components are responsible for this behaviour.",

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AB - The influence of the properties and the treatments of UO2 and ThO2 powders on the preparation of a double pellet composed by UO2 inner core and ThO2 outer hollow cylinder was studied. Although a simultaneous pressing-sintering process is preferable due to its relative simplicity and quickness, good (uncracked) double pellets were manufactured only by a two-step separate UO2 and ThO2 pressing and sintering. Different shrinkage kinetics of the two components are responsible for this behaviour.

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Development of a double pellet ThO₂-UO₂

Abstract

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