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Title: In-Reactor Oxidation of Zircaloy-4 Under Low Water Vapor Pressures

Complementary in- and ex-reactor oxidation tests have been performed to evaluate the oxidation and hydrogen absorption performance of Zircaloy-4 (Zr-4) under relatively low partial pressures (300 and 1000 Pa) of water vapor at specified test temperatures (330° and 370°C). Data from these tests will be used to support fabrication of components intended for isotope-producing targets and provide information regarding the temperature and pressure dependence of oxidation and hydrogen absorption of Zr-4 over the specified range of test conditions. Comparisons between in- and ex- reactor test results were performed to evaluate the influence of irradiation.
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Publication Date:
OSTI Identifier:
Report Number(s):
Journal ID: ISSN 0022-3115; MB0410000; TRN: US1500037
DOE Contract Number:
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Nuclear Materials; Journal Volume: 456
Research Org:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Org:
Country of Publication:
United States
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; ZIRCALOY 4; WATER VAPOR; OXIDATION; Oxygen; HYDROGEN; ABSORPTION; PARTIAL PRESSURE; Pressure Range Pa; Temperature Range 0400-1000 K; COMPARATIVE EVALUATIONS; Temperature Dependence; PRESSURE DEPENDENCE; Radiation Effects; IRRADIATION; Targets in-reactor, oxidtion, zircaloy, vapor pressure