Published April 1979
| Version v1
Journal article
The corrosion induced change of pore size distribution and surface area of a fuel element graphite
- 1. Hahn-Meitner-Institut fuer Kernforschung Berlin G.m.b.H. (Germany, F.R.)
- 2. Battelle-Institut e.V., Frankfurt am Main (Germany, F.R.)
Description
The transport behaviour of fission products in HTGR-fuel element graphite may be altered by changes of the pore structure of the graphite due to corrosion. The corrosion rate was measured at temperatures between 850 and 9000C in a CO2 atmosphere by a thermogravimetric method. Surface area and pore size distribution were determined before and after corrosion by measuring nitrogen adsorption isotherms at 77 K. The corrosion rate remained constant regardless of the pronounced increase in the specific surface area. (Auth.)
Additional details
Publishing Information
- Journal Title
- Thermochim. Acta
- Journal Volume
- 29
- Journal Issue
- 2
- Series
- Thermochim. Acta.
- Journal Page Range
- 345-348
- ISSN
- 0040-6031
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Netherlands
- INIS RN
- 10460620
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Descriptors DEI
- CARBON DIOXIDE; CORROSION; FUEL ELEMENTS; GRAPHITE; HIGH TEMPERATURE; HTGR TYPE REACTORS; NITROGEN; THERMAL GRAVIMETRIC ANALYSIS
- Descriptors DEC
- CARBON; CARBON COMPOUNDS; CARBON OXIDES; CHALCOGENIDES; CHEMICAL ANALYSIS; CHEMICAL REACTIONS; DESTRUCTIVE ANALYSIS; ELEMENTS; GAS COOLED REACTORS; GRAPHITE MODERATED REACTORS; GRAVIMETRIC ANALYSIS; NONMETALS; OXIDES; OXYGEN COMPOUNDS; QUANTITATIVE CHEMICAL ANALYSIS; REACTOR COMPONENTS; REACTORS; THERMAL ANALYSIS