Table 4

Corrosion resistance of the Hastelloy-N alloy in the fuel 71LiF-27BeF2-2UF4 salt (mole %) containing tellurium metal vs. temperature (T) and [U(IV)] / [U(III)] ratio.

T °С [U(IV)]/[U(III)] Exposure time
Corrosion rate
μm/ yr
Crack depth
ps · μm/cm
760 42 256 21 No IGC
750 60 250 * 69 3500
800 85 248 45 148 4490

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