Effect of Nb and Ti on Corrosion Characteristics of Low Alloy Steel in Supercritical CO<sub>2</sub> Environment

Hongwei Wang; Hongyan Wang; Xiuhua Gao; Chi Yu

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Effect of Nb and Ti on Corrosion Characteristics of Low Alloy Steel in Supercritical CO₂ Environment

机译：Nb和Ti对超临界CO _{2 环境下低合金钢腐蚀性能的影响}

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The immersion test and electrochemical experiment are performed to investigate the influence micro-alloying elements Nb and Ti on corrosion characteristics of low alloy steel exposed to CO 2 saturatedsaline solution environment. The corrosion kinetics, potentiodynamic polarization, surface morphology,corrosion phases and max pitting depth are studied deeply and thoroughly. The results show that themajor corrosion phases are FeCO 3 , the corrosion rate of No.2 steel with micro-alloying elements Nband Ti is lower than that of steel No.1, and showing the good corrosion resistance.

机译：通过浸没试验和电化学实验研究了微合金元素Nb和Ti对CO 2饱和盐溶液环境下低合金钢腐蚀性能的影响。深入研究了腐蚀动力学，电位极化，表面形貌，腐蚀相和最大点蚀深度。结果表明，主要腐蚀相为FeCO 3，含微量元素Nband Ti的2号钢的腐蚀速率低于1号钢，显示出良好的耐蚀性。

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《International Journal of Electrochemical Science》 |2019年第12期|共13页
作者
Hongwei Wang; Hongyan Wang; Xiuhua Gao; Chi Yu;
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中图分类化学;
关键词
low alloy steelCO 2 environmentcorrosion characteristicspotentiodynamic polarization;

机译：低合金钢CO 2环境腐蚀特性电位极化;

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2. Effect of alloyed Ti on the microstructure and corrosion characteristics of a U-Ti alloy in a hydrogen environment [J] . Shi Peng, Li Fangfang, Wu Yanping, Corrosion science . 2015,第apra期

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3. Initiation and propagation of localized corrosion induced by (Zr, Ti, Al)-Ox inclusions in low-alloy steels in marine environment [J] . Wen-zhui Wei, Kai-ming Wu, Jing Liu, 钢铁研究学报（英文版） . 2021,第004期

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Effect of Nb and Ti on Corrosion Characteristics of Low Alloy Steel in Supercritical CO2 Environment

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Effect of Nb and Ti on Corrosion Characteristics of Low Alloy Steel in Supercritical CO₂ Environment