Research Article

Effects of Alloying Elements (Cr, Mn) on Corrosion Properties of the High-Strength Steel in 3.5% NaCl Solution

Figure 3

XRD patterns of the nonadherent rust (NAR) formed on (a) REF, (b) 18Mn, and (c) 18Mn5Cr for 56 days in 3.5% NaCl solution at 60°C, where G, L, S, and H represent goethite, lepidocrocite, magnetite (or maghemite), and hematite, respectively.
(a)
(b)
(c)