Rutherford backscattering investigation of the corrosion of borosilicate glass
Conference
·
OSTI ID:5644162
The RBS spectra from Frit 21 borosilicate glasses doped with 5 wt % UO/sub 2/, SrO, or Cs/sub 2/O show that: during the initial stages of leaching (0 to 3 h) there is a substantial (300 to 500%) enhancement in the concentration of U, Sr, Ca, and Ti in the outer surface layer and that this enhancement is accompanied by a large depletion of Na, Si, and Cs; and upon further leaching under static conditions (24 h) the leached surface layer composition is indistinguishable from the unleached surface. Other borosilicate glasses such as PNL 76-68 may eventually show the same behavior if the final equilibrium pH value is greater than 9. The technique of Rutherford backscattering depth profile analysis can be a powerful tool for investigating the initial stages of glass corrosion.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- DOE Contract Number:
- W-7405-ENG-26
- OSTI ID:
- 5644162
- Report Number(s):
- CONF-811122-46; ON: DE82004053
- Country of Publication:
- United States
- Language:
- English
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· Nucl. Chem. Waste Manage.; (United States)
·
OSTI ID:5113128
Related Subjects
052000 -- Nuclear Fuels-- Waste Management
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
36 MATERIALS SCIENCE
360604* -- Materials-- Corrosion
Erosion
& Degradation
ACTINIDE COMPOUNDS
ALKALI METAL COMPOUNDS
ALKALINE EARTH METAL COMPOUNDS
BOROSILICATE GLASS
CESIUM COMPOUNDS
CESIUM OXIDES
CHALCOGENIDES
CHEMICAL REACTIONS
CORROSION
DISSOLUTION
ELASTIC SCATTERING
GLASS
LEACHING
OXIDES
OXYGEN COMPOUNDS
RUTHERFORD SCATTERING
SCATTERING
SEPARATION PROCESSES
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
URANIUM COMPOUNDS
URANIUM DIOXIDE
URANIUM OXIDES
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
36 MATERIALS SCIENCE
360604* -- Materials-- Corrosion
Erosion
& Degradation
ACTINIDE COMPOUNDS
ALKALI METAL COMPOUNDS
ALKALINE EARTH METAL COMPOUNDS
BOROSILICATE GLASS
CESIUM COMPOUNDS
CESIUM OXIDES
CHALCOGENIDES
CHEMICAL REACTIONS
CORROSION
DISSOLUTION
ELASTIC SCATTERING
GLASS
LEACHING
OXIDES
OXYGEN COMPOUNDS
RUTHERFORD SCATTERING
SCATTERING
SEPARATION PROCESSES
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
URANIUM COMPOUNDS
URANIUM DIOXIDE
URANIUM OXIDES