Abstract
Sectioning of the capsules from the 30,000-h tests with /sup 90/SrF/sub 2/ has been completed at Oak Ridge National Laboratory, and examination of the test specimens is under way. Metallographic examination of specimens taken from the WESF /sup 90/SrF/sub 2/ capsule that was held at about 800/sup 0/C for three years has been completed. Attack of the Hastelloy C-276 was not significantly greater than that observed in the WESF capsule held at 800/sup 0/C for 5000 hours. Hydrostatic pressure testing (14,500 psi), puncture (percussion) testing, and thermal testing (800/sup 0/C) of as-fabricated prototype Hastelloy S and Hastelloy C-4 outer capsules were completed. Preliminary examination of the capsules indicates that none suffered any damage as a result of the tests. Detailed examination of the capsules is under way to ensure these findings are correct.
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