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Title: Posttest examination results of recent treat tests on metal fuel

Conference ·
OSTI ID:7124731

A series of in-reactor transient tests is underway to study the characteristics of metal-alloy fuel during transient-overpower-without-scam conditions. The initial tests focused on determining the margin to cladding breach and the axial fuel motions that would mitigate the power excursion. The tests were conducted in flowing-sodium loops with uranium - 5% fissium EBR-II Mark-II driver fuel elements in the TREAT facility. Posttest examination of the tests evaluated fuel elongation in intact pins and postfailure fuel motion. Microscopic examination of the intact pins studied the nature and extent of fuel/cladding interaction, fuel melt fraction and mass distribution, and distribution of porosity. Eutectic penetration and failure of the cladding were also examined in the failed pins.

Research Organization:
Argonne National Lab., IL (USA)
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
7124731
Report Number(s):
CONF-860931-12; ON: DE87004998
Resource Relation:
Conference: International conference on reliable fuels for liquid metal reactors, Tucson, AZ, USA, 7 Sep 1986; Other Information: Microfiche only, copy does not permit paper copy reproduction
Country of Publication:
United States
Language:
English