Abstract
The corrosion of iron-chromium alloys containing 0-30% Cr in maleic acid solution was investigated. The results were summerized as follows;(1) An increase in chromium content had a favorable effect on the diminition of the active current density of the alloys. The similar results had been found in sulfuric acid and concentrated alkaline solution.(2) The anodic dissolution and the corrosion weight loss became larger, as the concentration increased and temperature rose.(3) The logarithms of time and initial current density necessary for the onset of passivity of iron showed straight-line relation.(4) The formation of the order lattice (Fe3Cr) in the alloys was found to be responsible for a remarkable anodic dissolution.
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