Open AccessAlloys for 1000 degree C service in the Next Generation Nuclear Plant NERI 05-0191
Author(s) -
Gary S. Was,
J. Wayne Jones,
Tresa M. Pollock
Publication year - 2009
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/946154
Subject(s) - piping , microstructure , service (business) , degradation (telecommunications) , degree (music) , nuclear engineering , environmental science , materials science , metallurgy , computer science , engineering , business , physics , environmental engineering , marketing , acoustics , telecommunications
The objective of the proposed research is to define strategies for the improvement of alloys for structural components, such as the intermediate heat exchanger and primary-to-secondary piping, for service at 1000 degree C in the He environment of the NGNP. Specifically, we will investigate the oxidation/carburization behavior and microstructure stability and how these processes affect creep. While generating this data, the project will also develop a fundamental understanding of how impurities in the He environment affect these degradation processes and how this understanding can be used to develop more useful life prediction methodologies
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