ORNL-1771 - Oak Ridge National Laboratory

ANP QUARTERLY PROGRESS REPORT
TABLE 6.3, RESULTS OF STATIC TESTS OF HASFELLOY R BN VARIOUS MEDlA AT 15QQaF FOR lQ0 hr
Bath
Weight Weight
Change Change
(%I (g/ i n. 2,
N a F- Zr F 4- U F (50-46-4 mo I e %) - 0.05 -0.003 7
NaOH
Sodium
Lithium
Lead
.........
t7.9 +0.608a
-0.06 -0.0021
-0.07 -0.0047
Metal I ographi c Notes
Specimen unattacked except in one small area where
voids extended to a depth of 1 mil; no attack on
vapor zone of tube
Specimen !'-in> square attacked throughout entire
4
thickness
Specimen and bath zone attacked to a depth of
0.25 to 0.5 mil in the form of voids; exposed
surface of bath zone of container partly de-
carburized to a depth of l mil
Small voids to a depth of 0.25 mil in specimen and
bath zone of tube; surface partly decarburized by
lithium
Specimen heavily attacked to a maximum depth of
.
3 mils (average 2 mils); bath zone attacked uni-
formly to a depth of 1.5 mils; phase change prob-
ably occurred in attacked areas; vapor zone
unattacked
0.004
X
0
0
E)
0.002
0.003
Fig. 6.7. Ha5telloy R Exposed to Static NaF-ZrF,UF, (50-46-4 mole %) for 100 Rr at 1500OF. Etched
with aqua regia.
88
1
CJ
z
-