CORROSION ANALYSIS: LOW-CAPACITY PUMP. Large Sodium Pump Study, Phase II. Page: 6 of 30
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An evaluation was made of the effect of sodium on the integrity of the pump
materials identified in the Large Pump Study Phase I. There were type 304
stainless steel as the constructional material and Stellites 1, 3 and Star
J as potential bearing materials. These materials have been evaluated for
use under expected pump operating conditions. Relevant data on sodium
corrosion, the effect of sodium on mechanical properties and the effect of
temperature on mechanical properties have been reviewed and corrosion losses
have been extended for Type 304 stainless steel. Corrosion and wear data
have been reviewed for the bearing materials.
It is concluded that no significant materials problems should arise for an
operating temperature of 900*F but that confirmatory data are required in
the areas of mechanical properties in sodium, mass transfer at high
velocities and wear of bearing materials under operating conditions
The study was one of six side studies performed under the low-capacity study
of Phase II of the Large Sodium Pump Study. The side studies are:
Extrapolation of Hallam and Fermi
Sodium Pumps to the FFTF Primary
Pump Reference Design Requirements
Drive Side Study
Dynamics Side Study
Radioactive Shielding Requirements
Plant Site Pump Handling Study
The objective of this study was to review the available data on the corro-
sion of materials in flowing sodium in relation to their use for pump
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Thomas, K.C. & Shiels, S. CORROSION ANALYSIS: LOW-CAPACITY PUMP. Large Sodium Pump Study, Phase II., report, October 31, 1970; Madison, Pennsylvania. (https://digital.library.unt.edu/ark:/67531/metadc1034653/m1/6/: accessed March 23, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.