Depassivation of some metals by sliding friction

被引：37

作者：

Henry, P. ^{[2
]}

Takadoum, J. ^{[2
]}

Bercot, P. ^{[1
]}

机构：

[1] Univ Franche Comte, Inst UTINAM, CNRS, Equipe Sonochim & Reactiv Surfaces,UMR 6213, F-25030 Besancon, France

[2] CNRS UFC ENSMM UTBM, Inst FEMTO ST, UMR 6174, Dept MN2S, F-25030 Besancon, France

来源：

CORROSION SCIENCE | 2011年 / 53卷 / 01期

关键词：

Tribocorrosion; Friction; Wear; Repassivation kinetics; Stainless steel; Titanium alloy; PASSIVE OXIDE-FILMS; STAINLESS-STEEL; TRIBOCORROSION BEHAVIOR; NICKEL; ACID; REPASSIVATION; CORROSION; DEGRADATION; WEAR; XPS;

D O I：

10.1016/j.corsci.2010.09.038

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nickel TA6V4 alloy and 316L stainless steel were passivated in aerated sulphuric acid solution (0 5 M) and submitted to sliding friction against a loaded alumina ball The effects of sliding speed and normal applied load on tribological behaviour of the passivating films were analyzed Friction coefficients were measured and the metal wear rates were deduced from 3D profilometry recordings on the wear tracks Current variations were also measured during friction tests and the results are discussed in terms of depassivation-repassivation kinetics induced by the passivating film breakdown The effects of sliding speed and applied load on the depassivation kinetics and thus current enhancement due to friction were particularly studied The Passivating film formed on nickel surface shows the best resistance to friction and wear, whereas TA6V4 alloy shows the worst behaviour The Passivating film on this alloy wears easily leading to a high material consumption 3161 stainless steel situates between the two other materials (C) 2010 Elsevier Ltd All rights reserved

引用

页码：320 / 328

页数：9

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