Effects of iron ion contents on composition, morphology, structure and properties of chromium coatings electrodeposited from novel trivalent chromium sulphate electrolyte

CORC > 厦门大学 > 化学化工－已发表论文

	Effects of iron ion contents on composition, morphology, structure and properties of chromium coatings electrodeposited from novel trivalent chromium sulphate electrolyte
	Jiang, Y. F. ; Yang, F. Z. ; Tian, Z. Q. ; Zhou, S. M. ; Zhou SM(周绍民)
刊名	http://dx.doi.org/10.1179/174591911X13225583568581
	2012-03
关键词	C ALLOY COATINGS CORROSION BEHAVIOR COMPLEX BATHS ACID
英文摘要	National Natural Science Foundation of China [20873114, 20833005, 21021002]; National Basic Research Program of China [2009CB930703]; Project of Fujian Province, China [299]; Chromium coatings were electrodeposited from a novel trivalent chromium sulphate electrolyte using oxalate as the complexing agent. Energy dispersive spectroscopy, Scanning electron microscopy, X-ray diffraction, Tafel curve, and X-ray photoelectron spectroscopy techniques were used to characterise the compositions, surface morphologies, structures, corrosion resistances, and element chemical states of the coatings. The effects of Fe2+ ions were investigated in detail. Results show that the small amount of iron ions generated coatings containing iron. The coating obtained is actually a Cr-Fe alloy of solid solution structure and microcrack surface morphology. X-ray photoelectron spectroscopy study revealed that a thin Cr(III) oxide film was formed on the surface of the coatings, and Cr(s) and Fe(s) states were observed within the coatings. As Fe2+ ion contents were increased in the electrolyte, the iron content of the coatings significantly increased. The electrodeposited coatings exhibited a crack-free surface morphology when Fe weight content exceeded 30.1%. The coating with 26.3 wt-%Fe had an amorphous structure and the lowest electrochemical activity.
语种	英语
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/61577]
专题	化学化工－已发表论文
推荐引用方式 GB/T 7714	Jiang, Y. F.,Yang, F. Z.,Tian, Z. Q.,et al. Effects of iron ion contents on composition, morphology, structure and properties of chromium coatings electrodeposited from novel trivalent chromium sulphate electrolyte[J]. http://dx.doi.org/10.1179/174591911X13225583568581,2012.
APA	Jiang, Y. F.,Yang, F. Z.,Tian, Z. Q.,Zhou, S. M.,&周绍民.(2012).Effects of iron ion contents on composition, morphology, structure and properties of chromium coatings electrodeposited from novel trivalent chromium sulphate electrolyte.http://dx.doi.org/10.1179/174591911X13225583568581.
MLA	Jiang, Y. F.,et al."Effects of iron ion contents on composition, morphology, structure and properties of chromium coatings electrodeposited from novel trivalent chromium sulphate electrolyte".http://dx.doi.org/10.1179/174591911X13225583568581 (2012).