High temperature oxidation behaviour of Nimonic - 115 Alloy in presence of Sodium salts at 850°C
Mohammed Misbahul, Amin
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The high temperature oxidation behaviour of Nimonic-115 industrial alloy has been investigated in presence of NaN03, NajZ03 and Na/)2 at 850°C in flowing air. The oxidation kinetics and effect of salt deposition for the period of 48 h were studied. The scale morphologies were determined on the basis of X-ray diffraction analysis and Scanning electron microscopic techniques. It has been shown that the alloy corrodes at different rate in presence of different sodium salts although each salt contains the same amount of sodium equivalent to Na^D.