Open AccessCompatibility of Space Nuclear Power Plant Materials in an Inert He/Xe Working Gas Containing Reactive Impurities
Author(s) -
M. Sophie Hall
Publication year - 2006
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/884663
Subject(s) - compatibility (geochemistry) , brayton cycle , inert gas , nuclear engineering , inert , power station , process engineering , waste management , materials science , test plan , environmental science , chemistry , mechanical engineering , engineering , composite material , mathematics , organic chemistry , electrical engineering , statistics , heat exchanger , weibull distribution
A major materials selection and qualification issue identified in the Space Materials Plan is the potential for creating materials compatibility problems by combining dissimilar reactor core, Brayton Unit and other power conversion plant materials in a recirculating, inert He/Xe gas loop containing reactive impurity gases. Reported here are results of equilibrium thermochemical analyses that address the compatibility of space nuclear power plant (SNPP) materials in high temperature impure He gas environments. These studies provide early information regarding the constraints that exist for SNPP materials selection and provide guidance for establishing test objectives and environments for SNPP materials qualification testing
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