Influence of residual stress, surface roughness and crystallographic texture induced by machining on the corrosion behaviour of copper in salt-fog atmosphere

被引：42

作者：

Gravier, J. ^{[1
,2
]}

Vignal, V. ^{[1
]}

Bissey-Breton, S. ^{[2
]}

机构：

[1] Univ Bourgogne, ICB, CNRS, UMR 6303, F-21078 Dijon, France

[2] CEA, DAM, F-21120 Valduc, Is Sur Tille, France

来源：

CORROSION SCIENCE | 2012年 / 61卷

关键词：

Atmospheric corrosion; Copper; Effects of strain; STAINLESS-STEELS; INHIBITION; PREDICTION; PARAMETERS; RESISTANCE; MEDIA; MODEL; SOIL;

D O I：

10.1016/j.corsci.2012.04.032

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The influence of quadratic stress, crystallographic texture, lubrication and surface roughness generated by superfinish turning on the corrosion behaviour of pure copper was quantified in salt-fog atmosphere. This was done using statistical analysis (Pearson's correlation matrix). Three compounds were found after corrosion tests: atacamite/paratacamite and a black layer (mixture of the lubricant and the salt atmosphere). Surface characteristics were classified according to their decreasing influence on the formation of atacamite/paratacamite as follows: surface roughness and quadratic stress. Lubrication and the crystallographic texture have the lowest influence on corrosion processes. Surface observations revealed that general dissolution occurred under atacamite/paratacamite. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：162 / 170

页数：9

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