Corrosion Failure Analysis of a Colored Steel Plate Used as the Workshop Roof

Jun Bo Shi; Wei Min Guo; Yong De Li; Na Xu; Xiao Feng Wu; Qi Shan Zang

doi:10.4028/www.scientific.net/AMR.750-752.2170

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 750-752Corrosion Failure Analysis of a Colored Steel...

Corrosion Failure Analysis of a Colored Steel Plate Used as the Workshop Roof

Abstract:

By macro and micro morphology observations, chemical analysis, metallurgical observations, SEM observations and EDS analysis, the failure cause of a colored steel plate used as the workshop roof in a plant was analyzed; then, some improved measures were also proposed in this paper. It is demonstrated that failure of the colored plate is caused by the synergism of high temperature, and sulfur dioxide corrosion. The high concentration sulfur dioxide of the local area on the colored plate is the main failure cause.