首页|Synergistic action of erosion-corrosion on L360N in different condensate oil-contained NaCl solutions
Synergistic action of erosion-corrosion on L360N in different condensate oil-contained NaCl solutions
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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,scan-ning 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.
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