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Characterization of Mechanical Strengths for Simulated High-Level Waste Forms

Published online by Cambridge University Press:  21 February 2011

Hiroshi Igarashi  and
Takeshi Takahashi
Hiroshi Igarashi
Affiliation:
Power Reactor & Nuclear Fuel Development Corp.(PNC) 4–33,Muramatsu, Tokai-mura, Ibarakl, 319–11, JAPAN
Takeshi Takahashi
Affiliation:
Power Reactor & Nuclear Fuel Development Corp.(PNC) 4–33,Muramatsu, Tokai-mura, Ibarakl, 319–11, JAPAN
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Abstract

Waste forms have been developed and characterized at PNC (Power Reactor and Nuclear Fuel Development Corporation)to immobilize high-level liquid waste generated from the reprocessing of nuclear spent fuel.

Mechanical strength tests were excecuted on simulated solidified highlevel waste forms which were borosilicate glass and diopside glass-ceramic. Commercial glass was tested for comparison. Measured strengths were three-point bending strength,uniaxial compressive strength,impact strength by falling weight method,and Vickers hardness. Fracture toughness and fracture surface energy were also measured by both notch-beam and indentation technique.

The results show that mechanical strengths of waste glass form are similar and that the glass ceramic form has the higher fracture toughness.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 176: Symposium U – Scientific Basis for Nuclear Waste Management XIII , 1989 , 433
Copyright
Copyright © Materials Research Society 1990

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References

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