Characterization of Corrosion Products on Carbon Steel Exposed to Natural Weathering and to Accelerated Corrosion Tests
Figure 1
Raman spectra of (a) specimen exposed at Cubatão, for three months, showing peaks characteristic of lepidocrocite (γ-FeOOH) and (b) specimen exposed for one month at Paula Souza, showing peaks typical of goethite and lepidocrocite.