Summary of the 9th IEA workshop on radiation effects in ceramic insulators
- Oak Ridge National Lab., TN (United States)
Twenty one scientists attended an IEA workshop in Cincinnati, Ohio on May 8-9, 1997, which was mainly devoted to reviewing the current knowledge base on the phenonenon of radiation induced electrical degradation in ceramic insulators. Whereas convincing evidence for bulk RIED behavior has been observed by two research groups in sapphire after electron irradiation, definitive levels of bulk RIED have not been observed in high purity Al{sub 2}O{sub 3} by several research groups during energetic ion or fission neutron irradiation. Possible reasons for the conflicting RIED results obtained by different research groups were discussed. It was conducted that RIED does not appear to be of immediate concern for near-term fusion devices such as ITER. However, continued research on the RIED phenomenon with particular emphasis on electron irradiations of single crystal alumina was recommended in order to determine the underlying physical mechanisms. This will allow a better determination of whether RIED might occur under any of the widely varying experimental conditions in a fusion energy device. Several critical issues which are recommended for future study were outlined by the workshop attendees.
- Research Organization:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- OSTI ID:
- 543214
- Report Number(s):
- DOE/ER-0313/22; ON: DE97008797; TRN: 97:020254
- Resource Relation:
- Other Information: PBD: Aug 1997; Related Information: Is Part Of Fusion materials semiannual progress report for period ending June 30, 1997; PB: 358 p.
- Country of Publication:
- United States
- Language:
- English
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