Mechanism Analysis of a Boiler Economizer Corrosion

Xue Xia Xu; Wei Yong Li; Yan Ting Feng; Xiao Guang Niu; Qing Wang; Jie Ouyang

doi:10.4028/www.scientific.net/AMM.672-674.1596

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 672-674Mechanism Analysis of a Boiler Economizer...

Mechanism Analysis of a Boiler Economizer Corrosion

Abstract:

Reasons for boiler economizer tube corrosion were discussed based on results of macroscopic inspection, metallurgical microstructure examination, SEM and EDS fracture analysis. Results showed that the tube corrosion was due to sulfur corrosion that resulted in matrix exposure and led to further oxygen corrosion.