Results of crack-arrest tests on two irradiated high-copper welds
- Oak Ridge National Lab., TN (USA)
The objective of this study was to determine the effect of neutron irradiation on the shift and shape of the lower-bound curve to crack-arrest data. Two submerged-arc welds with copper contents of 0.23 and 0.31 wt % were commercially fabricated in 220-mm-thick plate. Crack-arrest specimens fabricated from these welds were irradiated at a nominal temperature of 288{degree}C to an average fluence of 1.9 {times} 10{sup 19} neutrons/cm{sup 2} (>1 MeV). Evaluation of the results shows that the neutron-irradiation-induced crack-arrest toughness temperature shift is about the same as the Charpy V-notch impact temperature shift at the 41-J energy level. The shape of the lower-bound curves (for the range of test temperatures covered) did not seem to have been altered by irradiation compared to those of the ASME K{sub Ia} curve. 9 refs., 21 figs., 10 tabs.
- Research Organization:
- US Nuclear Regulatory Commission (NRC), Washington, DC (United States). Div. of Engineering; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USNRC
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 6152342
- Report Number(s):
- NUREG/CR-5584; ORNL/TM-11575; ON: TI91005857; TRN: 91-002184
- Country of Publication:
- United States
- Language:
- English
Similar Records
Effects of irradiation on crack-arrest toughness of two high-copper welds
Crack-arrest tests on two irradiated high-copper welds. Phase 2: Results of duplex-type experiments
Related Subjects
COPPER
METALLURGICAL EFFECTS
STEEL-ASTM-A533-B
PHYSICAL RADIATION EFFECTS
WELDED JOINTS
EMBRITTLEMENT
CRACK PROPAGATION
IRRADIATION
MECHANICAL PROPERTIES
NEUTRON FLUENCE
SUBMERGED ARC WELDING
ALLOYS
ARC WELDING
CARBON STEELS
ELEMENTS
FABRICATION
IRON ALLOYS
IRON BASE ALLOYS
JOINING
JOINTS
METALS
RADIATION EFFECTS
STEELS
TRANSITION ELEMENTS
WELDING
360106* - Metals & Alloys- Radiation Effects