2001•Zhongguo fushi yu fanghu xuebaoRequires access

Analysis on the Corrosion Rust of Weathering Steel Exposed in Atmosphere.

Qing hua Zhang, Jieying Wu, J Chen, Xiumei Yang, Li A, Wu Zhen, Jikui Wang

Abstract

Corrosion of carbon steel and the weathering steel in marine atmosphere during different time was compared,the morphology of rust layer was observed,and the distribution of the alloy elements in the rust layer was determined.The results show that corrosion rust of weathering steel exposed in the atmosphere for 1 year consisted of inner layer and outer layer obviously, the former is composed of α-FeOOH mainly,and the latter is of α-FeOOH and a little FeO.There are some cracks distributed in the inner layer,where contains richer alloy elements compared to the substrate steel.

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Key concepts: Weathering steel, Corrosion, Rust (programming language), Materials science, Layer (electronics), Atmosphere (unit), Weathering, Metallurgy