期刊
MATERIALS CHEMISTRY AND PHYSICS
卷 129, 期 3, 页码 1126-1131出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2011.05.074
关键词
Coating; X-ray photoelectron spectroscopy (XPS); Corrosion; Mechanical properties
资金
- European Union
Ti-containing conversion coatings were obtained on zinc electroplated steel. The influence of deposition time on the coatings morphology, chemical composition, corrosion resistance and mechanical properties were studied. Their chemical composition strongly depends on deposition time. As the time increases from 5s to 300 s, the Ti content decreases and the Si content increases. For the deposition time of 5s the Si:Ti atomic ratio in the conversion coating is 0.32 and after 300 s it increases to 9.1, which is accompanied by reduction in corrosion resistance. As deposition time increases, the microhardness of the coatings and their wear resistance deteriorate. Corrosion test results show that the coatings can be applied to protect zinc against corrosion. (C) 2011 Elsevier B.V. All rights reserved.
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