Pathfinder Atomic Power Plant Nozzle Galling Test, Final Report
Galling tests of 304, 17-4PH, and chrome-plated 304 stainless-steel nozzles with 304 stainless-steel sleeves were conducted at Pathflnder reactor conditions of 480 deg F, 600 psig. A horizontal force was imposed on the sleeve with the nozzle inserted; and the nozzle was moved axially to determine galling tendencies. Galling was produced on both the 304 and 17-4PH stainless-steel nozzles. The chrome-plated 304-stainless-steel nozzles were cycled numerous times without galling. On the basis of these tests, chrome-plated 304-stainless- steel is the material selected for the Pathfinder boiler fuel-element nozzle.
- Research Organization:
- Allis-Chalmers Mfg. Co. Atomic Energy Div., Milwaukee, WI (US)
- Sponsoring Organization:
- US Atomic Energy Commission (AEC)
- NSA Number:
- NSA-16-011182
- OSTI ID:
- 4808990
- Report Number(s):
- ACNP-6107
- Country of Publication:
- United States
- Language:
- English
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