西南土壤环境下油气管道用钢的腐蚀行为研究  

Corrosion Behavior of Steel Used in Oil and Gas Pipeline in Southwest Soil Environment

作　　者：徐士祺[1] 

机构地区：[1]西安石油大学石油工程学院,陕西西安710065

出　　处：《铸造技术》2014年第12期2783-2785,共3页Foundry Technology

摘　　要：研究了X80管线钢在西南土壤中的腐蚀行为。结果表明,随着腐蚀时间的延长,X80钢的腐蚀速率缓慢增加,腐蚀过程趋于以氧扩散过程控制。腐蚀50 d后表面形成致密锈层,可起到保护作用。The corrosion behavior of the pipeline steel X80 in Southwest soil environment was investigated. The results show that the corrosion rate of the steel X80 increases slowly with the prolongation of the corrosion time, and the corrosion course tends to be controlled by the oxygen diffusion process. The dense rust layer is formed on the surface of the steel X80 after corrosion for 50 days, which can play a role of protection.

关 键 词：X80管线钢 腐蚀电化学 西南土壤 

分 类 号：TG172[金属学及工艺—金属表面处理] TG142.1[金属学及工艺—金属学]