Heavy-Section Steel Technology Program Quarterly Progress Report for July-September 1980
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
The Heavy-Section Steel Technology (HSST) Program is an engineering research activity conducted by the Oak Ridge National Laboratory for the Nuclear Regulatory Commission. The program comprises studies related to all areas of the technology of materials fabricated into thick-section primary-coolant containment systems of light-water-cooled nuclear power reactors. The investigation focuses on the behavior and structural integrity of steel pressure vessels containing cracklike flaws. Current work is organized into five tasks: (1) program administration and procurement, (2) fracture mechanics analyses and investigations, (3) investigations of irradiated materials, (4) thermal shock investigations, and (5) pressure vessel investigations. A finite-element code for analyzing nozzle-corner cracks is operational. Crack propagation and damping studies are continuing. Two capsules of fracture specimens in the Fourth HSST Irradiation Series are being irradiated. Thermal shock test TSE-5A was conducted successfully. A procedure for producing a satisfactory low-upper-shelf seam in intermediate test vessel V-8A was developed, and facility planning for pressurized thermal shock tests was continued.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE; USNRC
- DOE Contract Number:
- AC05-84OR21400; W-7405-ENG-26
- OSTI ID:
- 5450544
- Report Number(s):
- NUREG/CR--1806; ORNL/NUREG/TM--419; ON: TI85015926
- Country of Publication:
- United States
- Language:
- English
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