Anodic oxide layer formation on A357 aluminium alloy produced by Thixocasting

被引：4

作者：

Forn, A. ^{[1
]}

Picas, J. A. ^{[1
]}

Baile, M. T. ^{[1
]}

Menargues, S. ^{[1
]}

Garcia, V. G. ^{[1
]}

机构：

[1] Univ Politecn Catalunya, Light Alloys & Surface Treatments Design Ctr, CDAL, Dept Mat Sci, Vilanova I La Geltru 08800, Barcelona, Spain

来源：

SEMI- SOLID PROCESSING OF ALLOYS AND COMPOSITES | 2006年 / 116-117卷

关键词：

Thixocasting; A357; ageing heat treatments; anodizing; SEM observation; friction coefficient; wear rate;

D O I：

10.4028/www.scientific.net/SSP.116-117.80

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Anodizing is widely used in the surface treatment of aluminium alloys in order to preserve the integrity of the alloy surface, to minimize the need for maintenance and repair, and to maximize the component life. The aim of this work is to study the influence heat treatments (T5 and T6) have on the anodization of A357 aluminium alloy produced by a Thixocasting process. In particular the effect of shape, size and distribution of silicon and intermetallic phases on the anodic oxide film formation. SEM and EDS analyses were used to examine the microstructural features found on, within and under the anodic oxide layer. Experiments using a tribometer (pin-on-disc tests) were performed in order to evaluate the friction and wear properties of the different layers.

引用

页码：80 / 83

页数：4

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