13th International Conference on Tribology | |
Bio and nanomaterials in tribocorrosion systems | |
Benea, Lidia^1 | |
Competences Center: Interfaces - Tribocorrosion and Electrochemical Systems, Faculty of Engineering, Dunarea de Jos, University of Galati, Galati, Romania^1 | |
关键词: Corrosive environment; Electrochemical techniques; Industrialized countries; Materials degradation; Multi-disciplinary approach; Nano-composite layers; Scientific community; Social and environmental; | |
Others : https://iopscience.iop.org/article/10.1088/1757-899X/174/1/012042/pdf DOI : 10.1088/1757-899X/174/1/012042 |
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来源: IOP | |
【 摘 要 】
The growing attention that the scientific community has paid in the last decades to the corrosion phenomena, including tribocorrosion is related to the huge economic, social and environmental losses (3,5 % GDP in industrialized countries as USA, UK, Japan and Germany), that result from the spread of damage of several metal constructions and devices. Tribocorrosion is defined as the chemical-electrochemical-mechanical process leading to a degradation of materials in sliding, rolling or erosion contacts immersed in a corrosive environment or even in water. That degradation results from the combined action of corrosion and wear are higher compared with addition of corrosion and wear degradation separately. This synergism between chemical, electrochemical, and mechanical processes on materials in sliding, abrasive or erosive contacts immersed in a liquid requires a multi-disciplinary approach (material science, electrochemistry, tribology, mechanics, and surface engineering). This paper presents few summary results obtained by studying the materials degradation by complex tribocorrosion processes in terms of two broad categories of applications: tribocorrosion in industrial systems with improved behaviour of nanomaterials as hybrid and nanocomposite layers and tribocorrosion in living systems with improved behaviour by surface modifications of biomaterials applying electrochemical techniques. The purpose of this paper is to provide information on the surface conditions of materials in sliding contacts and also on the kinetics of reactions that control the corrosion component in the material loss during tribocorrosion tests.
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