Abstract
The corrosion inhibition effect of several inhibitors on a galvanic couple of 907 steel- ZL102 Al alloy in 3%NaCl solution was investigated by using electrochemical tests and mass-loss experiment. The inhibitors include 0.1 mg/g Na2S, 1%Na3PO4 and 5000 mg/L Na2MoO4 as well as their compounds of 0.1 mg/g Na2S+1%Na3PO4 and 1%Na3PO4+5000 mg/L Na2MoO4. The results showed that, all the inhibitors can reduce the galvanic corrosion of 907 steel-ZL102 Al alloy cou- pling to a certain extent, and slow the corrosion of steel and aluminum in 3%NaCl solution; among others the integrated inhibition effect of the compound 1%Na3PO4+5000 mg/L Na2MoO4 is the best for the 907 steel-ZL102Al alloy coupling.
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