NUCLEAR SUPERHEAT PROJECT FIFTEENTH QUARTERLY REPORT, JANUARY-MARCH 1963
Failed tubes in the E-SADE loop condenser forced shutdown of the loop and removal of ESH-1.1 from VBWR. Post-irradiation examination of rod F showed that the failure of the type 304 stainless steel clad on ESH-1.0 was of the severe, localized, branched, intergranular corrosion similar to previous failures. Metallographic examination of element B (Incoloy) of ESH-1.0 has shown the clad to be in excellent condition. The design of element ESH-3 was initiated. This element is to serve as a screening prototype of the EVESR Mark III fuel. Property studies of Incoloy continue to be favorable. Results are presented for coupons of Inconel, Incoloy, and Hastelloy X exposed to simulated superheated steam environments. Types 304 and 318 stainless steels have experienced failures in the cycle tests with 0.5 ppm chloride added as FeCl/sub 3/ in the circulating water. Failure of the type 318 stainless steel coil in the CL-4 desuper-heater- reflux steam generator affected the test conditions of possibly three previous runs. Type 304 stain1ess steel and Incoloy corrosion tests in CL-4 loop are reported. Fission gas activity was measured on E-SADE inlet and outlet steam during operation. Air-water and steamwater tests of the full-circle radial-vane separator, without the area reduction sleeve, were conducted. A vane caparcity of 5500 ft/sup 3//hr was obtained with low carryunder and low carryover. Fabrication of the Mixed Spectrum Critical Experiment is 85% complete. The development program for the MSSCE is described. (N.W.R.)
- Research Organization:
- General Electric Co. Atomic Power Equipment Dept., San Jose, Calif.
- NSA Number:
- NSA-17-036929
- OSTI ID:
- 4631597
- Report Number(s):
- GEAP-4243
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
CHEMICAL REACTIONS
CHROMIUM ALLOYS
CONDENSERS
COOLANT LOOPS
CORROSION
EVESR
FABRICATION
FAILURES
FINS
FUEL CANS
FUEL ELEMENTS
HASTELLOY
IRON CHLORIDES
IRRADIATION
MATERIALS TESTING
METALLOGRAPHY
MOLYBDENUM ALLOYS
NICKEL ALLOYS
NIOBIUM ALLOYS
POWER PLANTS
REACTOR TECHNOLOGY
SHUTDOWN
STAINLESS STEELS
STEAM
SUPERHEATING
TITANIUM ALLOYS
TUBES