Characteristic of ceramic coatings on aluminum by plasma electrolytic oxidation in silicate and phosphate electrolyte

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	Characteristic of ceramic coatings on aluminum by plasma electrolytic oxidation in silicate and phosphate electrolyte
	Lv, GH ; Gu, WC ; Chen, HA ; Feng, WR ; Khosa, ML ; Li, L ; Niu, EW ; Zhang, GL ; Yang, SZ
刊名	APPLIED SURFACE SCIENCE
	2006
卷号	253 期号:5 页码:2947
关键词	MICRO-ARC OXIDATION CORROSION-RESISTANCE MAGNESIUM ALLOY TI-6AL-4V ALLOY TECHNOLOGY FLUORIDE GROWTH
ISSN号	0169-4332
通讯作者	Lv, GH: Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100080, Peoples R China.
中文摘要	In the present work, four processes were carried out to produce ceramic coatings on aluminum substrate in two kinds of electrolytes (silicate and phosphate solution systems) using plasma electrolytic oxidation (PEO) technology. The voltage-time responses were recorded during different PEO processes. SEM/EDX and XRD were adopted to investigate the microstructure, elements distribution and phase composition of the coatings prepared in the two electrolyte systems. It is found that coatings produced in the silicate electrolyte have a more homogeneous morphology than those produced in the phosphate system. EDX analysis shows that silicon element tends to present primarily in the outer region of the coatings while phosphorus distributes uniformly throughout the coating thickness. According to the conventional anodic oxidation mechanism, a model is set up to explain the different characteristics of ceramic coatings fabricated in different electrolytes which is helpful to understand the growth mechanism of PEO coatings. (c) 2006 Elsevier B.V. All rights reserved.
收录类别	SCI
语种	英语
公开日期	2013-09-17
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/34567]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Lv, GH,Gu, WC,Chen, HA,et al. Characteristic of ceramic coatings on aluminum by plasma electrolytic oxidation in silicate and phosphate electrolyte[J]. APPLIED SURFACE SCIENCE,2006,253(5):2947.
APA	Lv, GH.,Gu, WC.,Chen, HA.,Feng, WR.,Khosa, ML.,...&Yang, SZ.(2006).Characteristic of ceramic coatings on aluminum by plasma electrolytic oxidation in silicate and phosphate electrolyte.APPLIED SURFACE SCIENCE,253(5),2947.
MLA	Lv, GH,et al."Characteristic of ceramic coatings on aluminum by plasma electrolytic oxidation in silicate and phosphate electrolyte".APPLIED SURFACE SCIENCE 253.5(2006):2947.