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Design of production test IP-297-A-FP, The effect of autoclave film damage on the incidence of groove pitting on X-8001 alloy fuel jackets [electronic resource].

Published:
Washington, D.C. : United States. Dept. of Energy, 1959.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
9 pages : digital, PDF file
Additional Creators:
General Electric Company, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
The recent increase in the incidence of groove pitting on X-8001 clad fuel elements in the old reactors apparently refutes the earlier hypothesis that surface segregation of the secondary phase of this alloy was the primary cause of the unique, preferential attack sustained during irradiation. Components received within the past fifteen months have exhibited essentially none of the segregation. On the other hand, recent evidence suggests that localized penetration of the autoclave film on X-8001 may influence groove attack. The implications of this hypothesis include the necessity of special handling to preserve the autoclave film integrity or possibly elimination of the film altogether. Either certain conditions or properties of the X-8001 alloy or unusual autoclave conditions intermittently produce non-uniform autoclave films. If some of these film conditions are a result of non-uniform alloy structure in the cans, they may contribute to the groove pitting attack. This report presents the design of a test to compare the scratched and non-uniform autoclave films with uniform unscratched controls under special irradiation conditions to compare the incidence of groove pitting.
Report Numbers:
E 1.99:hw--63122-a
hw--63122-a
Subject(s):
Other Subject(s):
Note:
Published through SciTech Connect.
12/22/1959.
"hw--63122-a"
"DE94010988"
Hodgson, W.H.; Hall, R.E.
Type of Report and Period Covered Note:
Topical; 12/01/1959 - 12/01/1959
Funding Information:
AC06-76RL01830
View MARC record | catkey: 14369835