Fig. 5: Characterization of Type I slags after corrosion testing. | Nature Communications

Fig. 5: Characterization of Type I slags after corrosion testing.

From: Critical role of slags in pitting corrosion of additively manufactured stainless steel in simulated seawater

Fig. 5: Characterization of Type I slags after corrosion testing.The alternative text for this image may have been generated using AI.

a–e Slice and view scanning electron microscopy (SEM) images after successive plasma focus ion beam milling of a pitted Type I slag. All insets are higher magnification images of the regions marked with red circles. Each inset highlights specific feature: b A discontinuity of the slag where the NaCl solution was able to penetrate the metal, c Solidification cells after metal dissolution, d The edge of the lag that delaminated. e A metal inclusion in the slag that dissolved due to the solution. f Scanning transmission electron microscopy (STEM) high angle annular dark field and g STEM energy dispersive X-ray spectroscopy maps of a crack tip in a corroded Type I slag that did not pit.

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