Analysis of electrochemical hydrogen permeation through X-65 pipeline steel and its implications on pipeline stress corrosion cracking
作者： Y CHENG
DOI: 10.1016/J.IJHYDENE.2006.07.018
关键词:
摘要: Electrochemical hydrogen permeation tests were performed to measure the current through X-65 pipeline steel in electrolytes simulating soil conditions initiate near-neutral pH stress corrosion cracking (SCC) pipelines. The was analyzed following constant concentration model. It is shown that, AQDS, organic compound soil, inhibits by decreasing sub-surface concentration, while sulfide promotes inhibiting recombination and thus increasing concentration. specimen more susceptible solution with a higher indicating that involved SCC suggested of steel, accompanying anodic dissolution on crack sides at tip.
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