Atmospheric Corrosion of Q235 Carbon Steel and Q450 Weathering Steel in Turpan,China

查看全文 作　　者：Qiang [1]YU;Chao-fang [1]DONG;Yue-hua [2]FANG;Kui [1]XIAO;Chun-yun [2]GUO;Gang [2]HE;Xiao-gang [1]LI

机构地区：[1]Corrosion and Protection Center, Key Laboratory for Corrosion and Protection, University of Science and Technology Beijing, Beijing 100083, China;[2]Xinjiang Turpan Natural Environmental Test Research Center,Turpan 838200, Xinjiang, China

出　　处：《Journal of Iron and Steel Research(International)》索引2016年第23卷第10期,共10页

基　　金：Item Sponsored by National Natural Science Foundation of China(51222106);Fundamental Research Funds for Central Universities of China(230201306500002);National Basic Research Program of China(2014CB643300) 摘　　要：Q235carbon steel and Q450 weathering steel were exposed to the hot and dry environment of Turpan,China for three years.The corrosion rates of both steels were calculated and compared.The morphologies of the rust layer products were observed by optical microscopy and scanning electron microscopy.Analyses of the rust layers were performed by X-ray photoelectron spectroscopy,X-ray powder diffraction,and Raman spectroscopy,and analysis results indicate that the compositions of rust are main iron rich oxide such as FeOOH,Fe_3O_4,and Fe_2O_3.The iron oxide layer content proportion was calculated through a semi-quantitative algorithm.The resistance elements(Cr,Ni,and Cu)enhanced the resistance properties of the Q450 weathering steel matrix.Moreover,the resistance elements increased the proportion of goethite crystals in the corroded rust layer. 关键词：atmospheric corrosion Q235carbon steel Q450weathering steel rust layer

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Atmospheric Corrosion of Q235 Carbon Steel and Q450 Weathering Steel in Turpan,China

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