Fig. 5: Corrosion morphology of welded joints after 30 d immersion. | npj Materials Degradation

Fig. 5: Corrosion morphology of welded joints after 30 d immersion.

From: Accelerated sulfate reducing bacteria corrosion of X80 pipeline steel welded joints under organic carbon source starvation

Fig. 5

a–c Show the corrosion morphology of BM, HAZ, and WZ zones after 30 d immersion in the medium with 0% organic carbon sources level. d–f Show the corrosion morphology of BM, HAZ, and WZ zones after 30 d immersion in the medium with 1% organic carbon sources level. g–i Show the corrosion morphology of BM, HAZ and WZ zones after 30 d immersion in the medium with 100% organic carbon sources level.

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