Studies on Hybrid Sol-Gel Silica/PVP Coatings on Modified 9Cr-1Mo Steel

被引：4

作者：

Ramya, S. ^{[1
]}

Arunchandran, C. ^{[1
]}

George, R. P. ^{[1
]}

机构：

[1] Indira Gandhi Ctr Atom Res, Corros Sci & Technol Grp, Kalpakkam 603102, Tamil Nadu, India

来源：

TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS | 2015年 / 68卷 / 04期

关键词：

Sol-gel coating; Raman spectroscopy; Modified 9Cr-1Mo steel; Corrosion; Impedance; LOW-CARBON STEEL; FERRITIC STEEL; CORROSION-RESISTANCE; POLYVINYLPYRROLIDONE; BEHAVIOR; CHLORIDE; RAMAN; ACID; FILM;

D O I：

10.1007/s12666-014-0481-9

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Modified 9Cr-1Mo (mod.9Cr-1Mo) steel specimens were coated with polyvinylpyrrolidone based hybrid sol-gel coating doped with the corrosion inhibitor, 2-mercaptobenzothiazole. These coatings were characterized using atomic force microscopy and Raman spectroscopy. The corrosion resistance of surface mod.9Cr-1Mo steel in NaCl medium was evaluated using AC impedance studies. It was possible that the polymer based sol-gel coating prevented the aggressiveness of chloride attack by forming a complex with the inhibitor molecules and delayed the corrosion process on mod.9Cr-1Mo surfaces.

引用

页码：513 / 519

页数：7

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