Effect of Heat Treatment on Corrosion Resistance of A3 Steel in Sodium Bicarbonate Solution
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Abstract
The effect of heat treatment on corrosion mechanism and corrosion resistance of A3 steel in sodium bicarbonate solution was studied by weight loss testing,EIS and polarization curves.Results show that heat treatment can improve the corrosion resistance of A3 steel.The normalized samples had the best corrosion resistance after 48 hours in sodium bicarbonate solution and the effect was caused by the change of microstructure.
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