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Densification of Inert Matrix Fuels Using Naturally-occurring Material as a Sintering Additive

Published online by Cambridge University Press:  31 January 2011

Shuhei Miwa ,
Masahiko Osaka ,
Toshiyuki Usuki  and
Toyohiko Yano
Shuhei Miwa
Affiliation:
[email protected], Japan Atomic Energy Agency, Oarai Research and Development Center, Higashi-Ibaraki-gun, Japan
Masahiko Osaka
Affiliation:
[email protected], Japan Atomic Energy Agency, Oarai Research and Development Center, Higashi-Ibaraki-gun, Ibaraki, Japan
Toshiyuki Usuki
Affiliation:
[email protected], Tokyo Institute of Technology, Research Laboratory for Nuclear Reactors, Meguro-ku, Tokyo, Japan
Toyohiko Yano
Affiliation:
[email protected], Tokyo Institute of Technology, Research Laboratory for Nuclear Reactors, Meguro-ku, Tokyo, Japan
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Abstract

We proposed a new concept for densification of inert matrix fuels containing minor actinides. In this concept, magnesium silicates which are both a naturally-occurring material and asbestos waste were used as a sintering additive which protects public health by safely disposing of the asbestos waste. In this study, the effects of magnesium silicate additives on the densification behaviors of MgO, Mo and CeO2 were experimentally investigated. The densities of MgO and CeO2 pellets increased with only 1 wt.% additives of MgSiO3 and Mg2SiO4. The densities of Mo pellets showed little change with additives.

Keywords

sinteringactinideadditives
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1215: Symposium V – Materials Research Needs to Advance Nuclear Energy , 2009 , 1215-V09-04
Copyright
Copyright © Materials Research Society 2010

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