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：
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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