Status of knowledge of radiation embrittlement in U. S. reactor pressure vessel steels
Conference
·
· Am. Soc. Test. Mater., Spec. Tech. Publ.; (United States)
OSTI ID:6489470
Advances in experimental research in the United States toward an improved understanding of property changes in steel by elevated temperature ( about 288/sup 0/ C) irradiation ar summarized. Four areas of investigation are reviewed, including the confirmation and demonstration of guidelines for radiation-resistant steels, the isolation of metallurgical factors contributing to variable radiation embrittlement sensitivity, the qualification of in situ heat treatments for periodic vessel embrittlement relief, and the correlation of notch ductility and fracture toughness changes with irradiation. Overall, the current state of the art provides both a high capability for tailoring steels for radiation service in new vessel construction and a promising method for controlling radiation embrittlement buildup in existing vessel construction.
- Research Organization:
- Naval Research Laboratory, Washington, DC
- OSTI ID:
- 6489470
- Report Number(s):
- CONF-8110312-
- Conference Information:
- Journal Name: Am. Soc. Test. Mater., Spec. Tech. Publ.; (United States) Journal Volume: STP 819
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
22 GENERAL STUDIES OF NUCLEAR REACTORS
220200 -- Nuclear Reactor Technology-- Components & Accessories
36 MATERIALS SCIENCE
360106* -- Metals & Alloys-- Radiation Effects
ALLOYS
CONTAINERS
DUCTILITY
EMBRITTLEMENT
FRACTURE PROPERTIES
HEAT TREATMENTS
IRON ALLOYS
IRON BASE ALLOYS
MATERIALS TESTING
MECHANICAL PROPERTIES
METALLURGICAL EFFECTS
PHYSICAL RADIATION EFFECTS
PRESSURE VESSELS
RADIATION EFFECTS
STEELS
TEMPERATURE EFFECTS
TENSILE PROPERTIES
TESTING
220200 -- Nuclear Reactor Technology-- Components & Accessories
36 MATERIALS SCIENCE
360106* -- Metals & Alloys-- Radiation Effects
ALLOYS
CONTAINERS
DUCTILITY
EMBRITTLEMENT
FRACTURE PROPERTIES
HEAT TREATMENTS
IRON ALLOYS
IRON BASE ALLOYS
MATERIALS TESTING
MECHANICAL PROPERTIES
METALLURGICAL EFFECTS
PHYSICAL RADIATION EFFECTS
PRESSURE VESSELS
RADIATION EFFECTS
STEELS
TEMPERATURE EFFECTS
TENSILE PROPERTIES
TESTING