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作 者:Xin-Liang Gao Yi Han Gui-Qin Fu Miao-Yong Zhu Xing-Zhong Zhang
机构地区:[1]National Engineering Research Center for Equipment and Technology of Cold Strip Rolling, Yanshan University [2]School of Metallurgy, Northeastern University
出 处:《Acta Metallurgica Sinica(English Letters)》2016年第11期1025-1036,共12页金属学报(英文版)
基 金:financially supported by the National Natural Science Foundation of China (Grant Nos. 51304040 and 51275446);Hebei Province Natural Science Foundation (No. E2016203395);Young Teachers Independent Research Program of Yanshan University (No. 14LGB002);Open Research Program of National Engineering Research Center for Equipment and Technology of Cold Strip Rolling (No. NECSR-201503)
摘 要:To clarify the correlation between alloy elements and growth pattern of the rust layers, the rusting evolution of the carbon and weathering steels was investigated by using the gold markers method. The corrosion experiments were carried out in a simulated environment containing chloride ions. The results indicate that Ni, Cu, Cr and Mo elements in the weathering steel suppress the rust crystallization and impede the rust layer growth to an internal development, and the suppression function benefits the formation of a protective rust layer. Moreover, c-FeOOH is mainly located in the outer rust layer, while b-FeOOH is mainly located in the inner rust layer, and the distribution of the rust compounds in the rust layer is closely related to the growth pattern of the rust layer.To clarify the correlation between alloy elements and growth pattern of the rust layers, the rusting evolution of the carbon and weathering steels was investigated by using the gold markers method. The corrosion experiments were carried out in a simulated environment containing chloride ions. The results indicate that Ni, Cu, Cr and Mo elements in the weathering steel suppress the rust crystallization and impede the rust layer growth to an internal development, and the suppression function benefits the formation of a protective rust layer. Moreover, c-FeOOH is mainly located in the outer rust layer, while b-FeOOH is mainly located in the inner rust layer, and the distribution of the rust compounds in the rust layer is closely related to the growth pattern of the rust layer.
关 键 词:Atmospheric corrosion Steel Rust layer SEM Chloride ions
分 类 号:TG142.1[一般工业技术—材料科学与工程] TG178[金属学及工艺—金属材料]
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