Fractographic examination of ferritic alloy Charpy specimens at a fluence of 6 x 10/sup 22/ n/cm/sup 2/
Technical Report
·
OSTI ID:5680000
The fracture surfaces of thirteen Charpy specimens have been examined by scanning electron microscopy and several of these have been measured for hardness. The specimen series irradiated in the AD-2 test, second discharge includes HT-9 base metal in two product forms, and Modified 9Cr-1Mo base metal and weld metal, fluences include 13 and 26 dpa and irradiation temperatures cover the range 390/sup 0/C to 550/sup 0/C. Fracture appearance is found to be insensitive to irradiation fluence, whereas significant differences could be found in product form. It is concluded that irradiation does not encourage a new fracture mechanism such as temper embrittlement. Failure is controlled by the microstructure generated prior to irradiation.
- Research Organization:
- Hanford Engineering Development Lab., Richland, WA (USA)
- DOE Contract Number:
- AC06-76FF02170
- OSTI ID:
- 5680000
- Report Number(s):
- HEDL-7541; ON: DE85014013
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360103* -- Metals & Alloys-- Mechanical Properties
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700209 -- Fusion Power Plant Technology-- Component Development & Materials Testing
ALLOYS
BARYON REACTIONS
CHARPY TEST
CHROMIUM ALLOYS
CRYSTAL STRUCTURE
DATA
DESTRUCTIVE TESTING
ELECTRON MICROSCOPY
EMBRITTLEMENT
EXPERIMENTAL DATA
FRACTURE PROPERTIES
HADRON REACTIONS
HARDNESS
IMPACT TESTS
INFORMATION
MATERIALS TESTING
MECHANICAL PROPERTIES
MECHANICAL TESTS
MICROSCOPY
MICROSTRUCTURE
MOLYBDENUM ALLOYS
NEUTRON FLUENCE
NEUTRON REACTIONS
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUMERICAL DATA
SCANNING ELECTRON MICROSCOPY
TESTING
360103* -- Metals & Alloys-- Mechanical Properties
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700209 -- Fusion Power Plant Technology-- Component Development & Materials Testing
ALLOYS
BARYON REACTIONS
CHARPY TEST
CHROMIUM ALLOYS
CRYSTAL STRUCTURE
DATA
DESTRUCTIVE TESTING
ELECTRON MICROSCOPY
EMBRITTLEMENT
EXPERIMENTAL DATA
FRACTURE PROPERTIES
HADRON REACTIONS
HARDNESS
IMPACT TESTS
INFORMATION
MATERIALS TESTING
MECHANICAL PROPERTIES
MECHANICAL TESTS
MICROSCOPY
MICROSTRUCTURE
MOLYBDENUM ALLOYS
NEUTRON FLUENCE
NEUTRON REACTIONS
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUMERICAL DATA
SCANNING ELECTRON MICROSCOPY
TESTING