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Title: Mechanisms Governing the Creep Behavior of High Temperature Alloys for Generation IV Nuclear Energy Systems

This research project, which includes collaborators from INL and ORNL, focuses on the study of alloy 617 and alloy 800H that are candidates for applications as intermediate heat exchangers in GEN IV nuclear reactors, with an emphasis on the effects of grain size, grain boundaries and second phases on the creep properties; the mechanisms of dislocation creep, diffusional creep and cavitation; the onset of tertiary creep; and theoretical modeling for long-term predictions of materials behavior and for high temperature alloy design.
Authors:
 [1] ;  [2] ;  [3]
  1. Univ. of Cincinnati, OH (United States)
  2. Idaho National Lab. (INL), Idaho Falls, ID (United States)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
OSTI Identifier:
1178433
Report Number(s):
DOE/NEUP--09-776
09-776; TRN: US1500356
DOE Contract Number:
AC07-05ID14517
Resource Type:
Technical Report
Research Org:
Univ. of Cincinnati, OH (United States)
Sponsoring Org:
USDOE Office of Nuclear Energy (NE). Nuclear Energy University Programs (NEUP)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; INCOLOY 800H; CREEP; TEMPERATURE RANGE 0400-1000 K; GRAIN BOUNDARIES; INCONEL 617; DISLOCATIONS; HEAT EXCHANGERS; GRAIN SIZE; CAVITATION; FORECASTING; REACTORS