Erosion corrosion characteristics of X80 pipeline steel in two-phase flow under the influence of multiple factors

被引：0
作者：
Ye F. [1 ]
Yao J. [1 ]
Liu Y. [1 ]
Zhao Y. [1 ]
Dong S. [2 ]
机构：
[1] International Joint Laboratory on Clean Energy Science and Technology, Beijing Key Laboratory of Process Fluid Filtration and Separation, College of Mechanical and Transportation Engineering, China University of Petroleum-Beijing, Beijing
[2] School of Energy, Xiamen University, Xiamen
来源：
Zhao, Yanlin (ylzhao@cup.edu.cn) | 1600年 / Materials China卷 / 40期
关键词：
Electrochemistry; Erosion corrosion; Multiple factors; Pipeline steel; Two-phase flow;
D O I：
10.16085/j.issn.1000-6613.2021-1370
中图分类号：
学科分类号：
摘要：
Erosion corrosion, which is affected by many factors, is one of the typical problems leading to local failures of long-distance crude oil pipelines. In order to study the influence of multi factors on erosion corrosion of pipeline steel, erosion corrosion loss of X80 Pipeline Steel with different particle concentration, impact angle, chloride ion concentration and pH were quantitatively compared by full factor experimental design method. The significance of single factor and interaction between factors were analyzed. The results showed that factors named above had significant effects on erosion corrosion loss, in which particle concentration and chloride ion concentration were positive effects, while pH and impact angle were negative effects. For cross effects among those four factors, only the interaction between particle concentration and chloride ion concentration and the interaction between particle concentration and impact angle were significant. In addition, the factors were arranged in order according to the significance of their effects on erosion corrosion weight loss of X80 pipeline steel. The material loss modes under different condition were analyzed through micrograph and interaction mechanism between factors was discussed and explained by schematic diagrams. © 2021, Chemical Industry Press Co., Ltd. All right reserved.
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页码：6450 / 6459
页数：9
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