Fatigue crack propagation in types 304 and 308 stainless steel at elevated temperatures
Journal Article
·
· Nucl. Technol.; (United States)
OSTI ID:5244804
The fatigue crack-growth behavior of Type 304 stainless-steel base metal and Type 308 stainless-steel weld metal at elevated temperature was investigated using axially loaded single-edge-notch specimens. The crack-growth rates were determined and are presented as a function of the stress-intensity factor range. Both the base- and weld-metal specimens were tested in the as-received (or as-welded) and thermally aged condition. The results indicate that the crack-growth rates in the weld metal are significantly lower than in the base metal. In addition, aging at 593/sup 0/C for 1000 h improved the resistance to fatigue crack growth in both the base and weld metals.
- Research Organization:
- Argonne National Lab., IL
- OSTI ID:
- 5244804
- Journal Information:
- Nucl. Technol.; (United States), Journal Name: Nucl. Technol.; (United States) Vol. 34:1; ISSN NUTYB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360103* -- Metals & Alloys-- Mechanical Properties
AGING
ALLOYS
CHROMIUM ALLOYS
CHROMIUM STEELS
CHROMIUM-NICKEL STEELS
CORROSION RESISTANT ALLOYS
CRACKS
FATIGUE
HEAT RESISTING ALLOYS
HIGH TEMPERATURE
IRON ALLOYS
IRON BASE ALLOYS
JOINTS
MECHANICAL PROPERTIES
NICKEL ALLOYS
STAINLESS STEEL-304
STAINLESS STEEL-308
STAINLESS STEELS
STEELS
STRESSES
WELDED JOINTS
360103* -- Metals & Alloys-- Mechanical Properties
AGING
ALLOYS
CHROMIUM ALLOYS
CHROMIUM STEELS
CHROMIUM-NICKEL STEELS
CORROSION RESISTANT ALLOYS
CRACKS
FATIGUE
HEAT RESISTING ALLOYS
HIGH TEMPERATURE
IRON ALLOYS
IRON BASE ALLOYS
JOINTS
MECHANICAL PROPERTIES
NICKEL ALLOYS
STAINLESS STEEL-304
STAINLESS STEEL-308
STAINLESS STEELS
STEELS
STRESSES
WELDED JOINTS