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DOI: 10.5445/IR/1000083098
Veröffentlicht am 29.05.2018

Results of the LOCA bundle test QUENCH-L5 with pre-hydrogenated optimised ZIRLO™ claddings (SR-7738)

Stuckert, J.; Große, M.; Rössger, C.; Steinbrück, M.; Walter, M.

Abstract (englisch):
The QUENCH-L5 experiment was performed in the framework of the QUENCH-LOCA test series. The overall objective of this bundle test series is the investigation of ballooning, burst, degree of oxidation and secondary hydrogen uptake of the cladding under representative design-basis accident conditions and their influence on the mechanical properties. The various experiments of the series examine the behavior of different cladding materials and the effect of pre-hydriding. For the QUENCH L5 test, opt. ZIRLO™ claddings pre-loaded with approximately 300 wppm hydrogen and with an outside diameter of 10.75 mm have been used. Like in all experiments of the QUENCH LOCA series, the fuel rod simulators were separately pressurized with krypton to 55 bar. Bundle configuration and test protocol were similar to the reference test QUENCH L3 with as-received opt. ZIRLO claddings. Specific objectives of QUENCH L5 were to provide information about the behavior of pre-hydrided opt. ZIRLO alloy on the response to a best-estimate large-break LOCA sequence, with special focus on the impact of hydrided claddings on their ballooning and burst parameters, as ... mehr

Zugehörige Institution(en) am KIT Institut für Angewandte Materialien - Angewandte Werkstoffphysik (IAM-AWP)
Institut für Angewandte Materialien - Werkstoff- und Biomechanik (IAM-WBM)
Publikationstyp Forschungsbericht
Jahr 2018
Sprache Englisch
Identifikator URN: urn:nbn:de:swb:90-830983
KITopen ID: 1000083098
HGF-Programm 32.02.11; LK 01
Verlag Karlsruhe
Umfang 165 S.
Serie QUENCH-LOCA-Reports ; 6
Schlagworte cladding ballooning, cladding burst, secondary hydriding, cladding ductility
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