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Fracture Appraisal of Large Scale Glass Blocks Under Realistic Thermal Conditions

Published online by Cambridge University Press:  15 February 2011

Francis Laude ,
Etienne Vernaz  and
Michel Saint-Gaudens
Francis Laude
Affiliation:
Dèpartment de Genie Radioactif, C.E.A. Valrho, Site de Marcoule BP 171, 30200 Bagnols sur Ceze, France.
Etienne Vernaz
Affiliation:
Dèpartment de Genie Radioactif, C.E.A. Valrho, Site de Marcoule BP 171, 30200 Bagnols sur Ceze, France.
Michel Saint-Gaudens
Affiliation:
Dèpartment de Genie Radioactif, C.E.A. Valrho, Site de Marcoule BP 171, 30200 Bagnols sur Ceze, France.
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Extract

The compositions of borosilicate glasses used to solidify fission product solutions are selected for their low leach rates. Fracturing of the glass blocks, caused primarily by thermal and residual stresses during cooling, increases the potential leaching surface area and the number of small particles, both of which are undesirable since long term container failure must be considered. It is therefore important to know the state of fracture of the glass occurring at different stages of its thermal history. A theoretical appraisal of the fracture state of the glass is presented, complimented by an experimental study using industrial scale glass blocks under realistic thermal conditions.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 11: Symposium – Scientific Basis for Nuclear Waste Management V , 1981 , 239
Copyright
Copyright © Materials Research Society 1982

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References

REFERENCES

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