PLUGGING LEAKS BETWEEN WATER AND THIRD FLUID SYSTEM (NaK). Memo Report 117
Technical Report
·
OSTI ID:4259428
An investigation was made to find a NaK additive which could be used to seal NaK-water leaks in systems such as the S2C evaporator and superheater. A mixture of 1 wt. % Fe/sub 3/O/sub 4/ and 0.2 wt. % asbestos plugged a leak of 0.3 liter NaK/hr, but only partially plugged a 1.0 liter NaK/hr leak. The leak was completely plugged when operated in the vapor phase, but the seal failed when the leak area was exposed to water. The seal formed in the 0.3 liter NaK/hr leak held at a oy melts below P of 560 psi for 1 hr and at a oy melts below P of 250 psi overnight. An Fe/sub 3/O/sub 4/asbestos mixture can be used as a sealant but will have limited applications. (auth)
- Research Organization:
- Mine Safety Appliances Co., Callery, Penna.
- NSA Number:
- NSA-13-012440
- OSTI ID:
- 4259428
- Report Number(s):
- NP-7426
- Country of Publication:
- United States
- Language:
- English
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