Kaiyuan Zhai, Ling Guo, Ning Zhu, Jiayi Tang, Liusi Yu, Hu Wang, Juan Xie
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引用次数: 0
摘要
通过失重、原位电化学测量和腐蚀产物膜的表征，研究了温度对 CO2 腐蚀的影响。结果表明，随着温度的升高，腐蚀速率明显降低，这可归因于金属表面形成了不同的产物膜。随着温度的升高，FeCO3 晶体在 (012) 平面上的生长趋势越来越明显，最终形成了一层致密的膜。同步辐射计算机层析成像（SRCL）分析证明，产品的孔隙率随温度升高而降低。此外，还提出了产品薄膜的微观结构与腐蚀速率之间的关系。
The Impact of Temperature on CO2 Corrosion and the Formation of Corrosion Product Film
The impact of temperature on CO2 corrosion were investigated by weight loss, in situ electrochemical measurements and characterization of corrosion product film. The results showed that with the increase of temperature, corrosion rate decreased remarkably, which can be ascribed to different product film formed on metal surface. As the temperature increased, the growth tendency of FeCO3 crystals on the (012) plane becomes more pronounced, ultimately forming a dense film. Synchrotron based computed laminography (SRCL) analysis proved the porosity of products decreased with the rising of temperature. The relationship between microstructure of product film and corrosion rate had also been proposed.
期刊介绍：
CORROSION is the premier research journal featuring peer-reviewed technical articles from the world’s top researchers and provides a permanent record of progress in the science and technology of corrosion prevention and control. The scope of the journal includes the latest developments in areas of corrosion metallurgy, mechanisms, predictors, cracking (sulfide stress, stress corrosion, hydrogen-induced), passivation, and CO2 corrosion.
70+ years and over 7,100 peer-reviewed articles with advances in corrosion science and engineering have been published in CORROSION. The journal publishes seven article types – original articles, invited critical reviews, technical notes, corrosion communications fast-tracked for rapid publication, special research topic issues, research letters of yearly annual conference student poster sessions, and scientific investigations of field corrosion processes. CORROSION, the Journal of Science and Engineering, serves as an important communication platform for academics, researchers, technical libraries, and universities.
Articles considered for CORROSION should have significant permanent value and should accomplish at least one of the following objectives:
• Contribute awareness of corrosion phenomena,
• Advance understanding of fundamental process, and/or
• Further the knowledge of techniques and practices used to reduce corrosion.
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