Effects of atmospheric pressure plasma JET treatment on aluminium alloys

被引：10
作者：
Brunelli, K. [1 ]
Pezzato, L. [1 ]
Napolitani, E. [2 ,3 ]
Gross, S. [4 ,5 ]
Magrini, M. [1 ]
Dabala, M. [1 ]
机构：
[1] Univ Padua, Dipartimento Ingn Ind, I-35131 Padua, Italy
[2] Univ Padua, MATIS IMM CNR, I-35131 Padua, Italy
[3] Univ Padua, Dipartimento Astron & Fis, I-35131 Padua, Italy
[4] Univ Padua, IENI CNR Padova, I-35131 Padua, Italy
[5] Univ Padua, Dipartimento Sci Chim, I-35131 Padua, Italy
来源：
SURFACE ENGINEERING | 2014年 / 30卷 / 09期
关键词：
Metals; Oxides; SIMS; XPS; Corrosion; APPJ; SURFACE-TREATMENT; STAINLESS-STEEL; OXIDE-FILMS; AIR; WETTABILITY; OXIDATION;
D O I：
10.1179/1743294414Y.0000000298
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this paper, the effect of surface treatments carried out with an atmospheric pressure plasma jet, generated by air, on the passive film of AA1071 and AA2024 was investigated. The samples of the aluminium alloys, before and after the surface plasma treatments, were analysed by secondary ions mass spectrometry depth profiling and by X-ray photoelectron spectroscopy. Potentiodynamic anodic polarisation tests and electrochemical impedance spectroscopy measurements were carried out to study the influence of the surface plasma treatments on the corrosion resistance properties of the Al alloys. The plasma treatments induced the oxidation of the surface and the formation of a thicker and denser passive layer, which exhibited higher corrosion resistance than the native film.
引用
收藏
页码：636 / 642
页数：7
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