Laboratory experiments were performed to find efficient inhibitors for ammonium nitrate corrosion of mild steels. Through simple weight loss determinations a number of such products were found. The most efficient inhibitors were then tested in stress corrosion experiments. Ca (H2PO4)2, Na2HAsO4 and (NH4)2 HPO4 also showed a remarkable inhibiting effect on intergranular stress corrosion. Electrochemical measurements and microscopic observations confirmed the efficiency of the inhibitors and gave some idea of their possible mechanism of protection.

Subject
Wiring, Ammonium, Corrosion attacks, Nitrates, Sodium, Intergranular stress, Corrosion inhibitors, Steel, Immersion, Grain boundary, Stress corrosion cracking, Electrode potential, Types of corrosion
© 1964 National Association of Corrosion Engineers
1964
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