Synergistic action of erosion-corrosion on L360N in different condensate oil-contained NaCl solutions  

作　　者：Yan-ran Wang Hai-feng Liu Hong-fa Huang Xiao-xiong Guo Lin-cai Peng Chang-hui Zhang 

机构地区：[1]Petrochina Southwest Oil and Gasfield Company,Research Institute of Natural Gas Technology,Chengdu,610213,Sichuan,China [2]Petrochina Southwest Oil and Gasfield Company,Chengdu,610051,Sichuan,China [3]Central Sichuan District,Oil and Gas Petrochina Southwest Oil and Gasfield Company,Suining,629000,Sichuan,China

出　　处：《Journal of Iron and Steel Research International》2024年第11期2864-2878,共15页钢铁研究学报（英文版）

基　　金：Funding was provided by Petrochina Southwest Oil&Gas Field Company,20220305-12,for Yan-ran Wang.

摘　　要：The experiments studying on the components of pure erosion, pure corrosion and their synergism were performed in multiphase systems containing sand particles, NaCl solution and condensate oil. The influence of condensate oil content on damage degree for each component was investigated by designing four different levels (0, 5, 10 and 20 vol.%). The mechanism about erosion-corrosion was analyzed by measurements of thinning rate, electrochemical experiments, scanning electron morphology and white light interferometer. The results showed that the presence of condensate oil enhanced mechanical damage of L360N pipeline steel because of the increase in viscosity. The erosion-corrosion and pure erosion were significantly accelerated with the increase in condensate oil content. However, the condensate oil content had basically no effect on pure corrosion, and the thinning rate for it was much lower than that for pure erosion. Therefore, the pure erosion component dominated the erosion-corrosion damage in such multiphase systems.

关 键 词：Condensate oil EROSION-CORROSION Synergistic action Rotating-disk erosion L360N pipeline steel 

分 类 号：TG14[一般工业技术—材料科学与工程]