Corrosion behaviour of carbon steel coated with Zr-based metallic glass

被引：0

作者：

Raju, V.R. ^{[2
]}

Schneider, F. ^{[1
]}

Schwarz, W. ^{[1
]}

Eckert, J. ^{[1
]}

Gebert, A. ^{[1
]}

机构：

[1] Institute for Solid State and Materials Research, P.O. Box 27 00 16, D-01171 Dresden, Germany

[2] Indira Gandhi Centre for Atomic Research, Kalpakkam- 603 102, Tamil Nadu, India

来源：

Materials and Corrosion | 2002年 / 53卷 / 02期

关键词：

Corrosive effects - Carbon steel - Corrosion resistant alloys - Sodium sulfate - X ray diffraction - Amorphous alloys - Corrosion resistance - Sodium chloride - Galvanic corrosion - Pitting - Sodium alloys - Zirconium alloys - Aluminum corrosion - Metallic glass - Sulfur compounds - Crevice corrosion - Aluminum alloys - Glass - Steel corrosion;

D O I：

10.1002/1521-4176(200202)53:23.0.CO;2-9

中图分类号：

学科分类号：

摘要：

Zr55Cu30Al10Ni5 glassy alloy samples were prepared by the single roller melt spinning technique in an argon atmosphere. Amorphous ribbons were coated on carbon steel by the electron beam technique. Subsequently, the coated region was remelted to study its effect on the corrosion performance. The microstructure of the ribbons and of coated steel samples was characterized by X-ray diffraction (XRD) and optical microscopy (OM). Potentiodynamic polarization studies were carried out in 0.1 M Na 2SO4 electrolytes at pH = 8 and pH = 2. The coated samples showed a significant increase in corrosion resistance compared to the base carbon steel in both sulphate electrolytes. The pitting corrosion behaviour of the coated samples has been examined in 0.01 M NaCl electrolyte and was found to be poor. Furthermore, the galvanic and crevice corrosion behaviour of these alloys has been evaluated in the chloride electrolyte. © WILEY-VCH Verlag GmbH.

引用

页码：85 / 90