Field studies of corrosion behaviour of copper alloys in natural seawater

被引：85

作者：

Drach, Andrew ^{[1
]}

Tsukrov, Igor ^{[1
]}

DeCew, Judson ^{[1
]}

Aufrecht, Jochen ^{[2
]}

Grohbauer, Adolf ^{[2
]}

Hofmann, Uwe ^{[2
]}

机构：

[1] Univ New Hampshire, Dept Mech Engn, Durham, NH 03824 USA

[2] Wieland Werke AG, Ulm, Germany

来源：

CORROSION SCIENCE | 2013年 / 76卷

关键词：

Copper alloys; Weight loss; SEM; Seawater corrosion; Stress corrosion; 3-PERCENT NACL; CHLORIDE MEDIA; CU-10SN BRONZE; BRASS; INHIBITION; DEZINCIFICATION; NI;

D O I：

10.1016/j.corsci.2013.07.019

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Eight copper alloys were tested in a one-year field deployment in the North Atlantic Ocean. The corrosion behaviour was characterized by weight loss, optical and electronic microscopy analyses. The biofouling performance was quantified in terms of the biomass accumulation. The testing program included specimens in tensioned and untensioned configurations, as well as a set for seasonal deployments. The seasonal corrosion rates were 140% higher, and the rates of tensioned specimens were 39% higher than those of the untensioned specimens after 12 months of deployment. Good biofouling resistance was observed for all but one alloy, which exhibited heavy fouling by barnacles. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：453 / 464

页数：12

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