Analysis of experiments on stainless steel flux welds
This report describes experimental and analytical efforts to evaluate fracture of stainless steel flux-welded pipe. Seven pipe fracture experiments (four with through-wall circumferential cracks and three with circumferential internal surface cracks) were conducted at 550/sup 0/F (288/sup 0/C). Material characterization efforts involved laboratory specimen tests to assess specimen size effects, effects of solution-annealing, and crack-growth behavior in the HAZ, along the fusion line, and in the weld metal. Efforts involved assessing the net-section-collapse analysis, the plastic-zone screening criterion, inherent safety margins in the IWB-3640 flux weld analysis, through-wall-cracked pipe predictive J-estimation schemes for LBB analyses, eta-factor J-R curves calculated from the pipe experiments for comparison to C(T) specimen results, and finite element analysis of C(T) specimens and one pipe experiment. This report also evaluates the technical significance of these results and their significance relative to licensing decisions.
- Research Organization:
- Battelle Columbus Div., OH (USA); Nuclear Regulatory Commission, Washington, DC (USA). Div. of Engineering Safety
- OSTI ID:
- 6561738
- Report Number(s):
- NUREG/CR-4878; BMI-2151; ON: TI87900672
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
PIPES
WELDED JOINTS
STAINLESS STEEL-304
STAINLESS STEEL-316
CRACK PROPAGATION
FRACTURE MECHANICS
COMPUTERIZED SIMULATION
CRACKS
EXPERIMENTAL DATA
FINITE ELEMENT METHOD
FRACTURE PROPERTIES
HIGH TEMPERATURE
INTEGRALS
MECHANICAL PROPERTIES
STRAINS
STRESSES
WELDING FLUXES
YOUNG MODULUS
ALLOYS
CHROMIUM ALLOYS
CHROMIUM STEELS
CHROMIUM-NICKEL STEELS
CORROSION RESISTANT ALLOYS
DATA
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
INFORMATION
IRON ALLOYS
IRON BASE ALLOYS
JOINTS
MATERIALS
MECHANICS
MOLYBDENUM ALLOYS
NICKEL ALLOYS
NUMERICAL DATA
NUMERICAL SOLUTION
SIMULATION
STAINLESS STEELS
STEELS
360103* - Metals & Alloys- Mechanical Properties
420500 - Engineering- Materials Testing