Computational reconstruction of environmentally accelerated cyclic crack growth in reactor steels
Conference
·
OSTI ID:6656493
- SRI International, Menlo Park, CA (US)
This paper reports the fracture surface topography analysis (FRASTA) technique applied to several pressure vessel steels tested under simulated PWR service conditions in attempting to establish the mechanism underlying environmentally accelerated cyclic crack growth. FRASTA, which seeks to reconstruct the crack propagation process in microscopic detail by comparing the topographies of conjugate fracture surfaces, showed differences in the process zone microfeatures in A533B-1 and A508-2 steel and also differences in A508-2 steel tested in a dry argon environment.
- OSTI ID:
- 6656493
- Report Number(s):
- CONF-890437--
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210200* -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
36 MATERIALS SCIENCE
360103 -- Metals & Alloys-- Mechanical Properties
COMPUTER CODES
COMPUTERIZED SIMULATION
CONTAINERS
CRACK PROPAGATION
EMBRITTLEMENT
F CODES
FRACTURE MECHANICS
HYDROGEN EMBRITTLEMENT
MECHANICS
PRESSURE VESSELS
PWR TYPE REACTORS
REACTORS
SIMULATION
THERMAL CYCLING
WATER COOLED REACTORS
WATER MODERATED REACTORS
210200* -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
36 MATERIALS SCIENCE
360103 -- Metals & Alloys-- Mechanical Properties
COMPUTER CODES
COMPUTERIZED SIMULATION
CONTAINERS
CRACK PROPAGATION
EMBRITTLEMENT
F CODES
FRACTURE MECHANICS
HYDROGEN EMBRITTLEMENT
MECHANICS
PRESSURE VESSELS
PWR TYPE REACTORS
REACTORS
SIMULATION
THERMAL CYCLING
WATER COOLED REACTORS
WATER MODERATED REACTORS