高温高压环境下P110钢丝束电极设计及腐蚀机理揭示应用

IF 2.3 4区材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING

Anti-corrosion Methods and Materials Pub Date : 2023-10-09 DOI:10.1108/acmm-07-2023-2860

Yuchen Xi, Qinying Wang, Xinyu Tan, Xingshou Zhang, Lijin Dong, Yuhui Song, Liyang Liu, Dezhi Zeng

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引用次数: 1

摘要

目的设计P110钢丝束电极(WBE)，研究其在高温高压下的腐蚀行为和机理。设计了新型P110钢WBE包装材料和高压稳定的WBE结构。采用金相显微镜(XJP-3C)和扫描电子显微镜(EV0 MA15 Zeiss)和能量色散光谱仪对P110钢的组织和成分进行了分析。采用电化学工作站(CS310, cortest Instrument Co.， Ltd)的WBE电位电流扫描仪对P110钢的腐蚀机理进行了分析。结果根据不同温度下的Nyquist图分析，常压下P110钢的耐蚀性随温度的升高而降低。此外，P110钢在高压下的R p保持在200 ~ 375 Ωcm 2的范围内，而在常压下的R p保持在20 ~ 160 Ωcm 2的范围内，说明高压下P110钢上的腐蚀产物更致密，在一定程度上提高了P110钢的耐腐蚀性。应用于高温高压环境的WBE是空白的。设计并制备了适用于高温高压环境的P110钢WBE，并利用所设计的WBE揭示了P110钢的腐蚀机理。

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Design of P110 steel wire beam electrode for high temperature and pressure environment and application for revealing corrosion mechanism

Purpose The purpose of this work is to design the wire beam electrode (WBE) of P110 steel and study its corrosion behavior and mechanism under high temperature and pressure. Design/methodology/approach Packaging materials of the new type P110 steel WBE and high pressure stable WBE structure were designed. A metallurgical microscope (XJP-3C) and scanning electron microscopy (EV0 MA15 Zeiss) with an energy dispersive spectrometer were used to analyze the microstructure and composition of the P110 steel. The electrochemical workstation (CS310, CorrTest Instrument Co., Ltd) with a WBE potential and current scanner was used to analyze the corrosion mechanism of P110 steel. Findings According to the analysis of Nyquist plots at different temperatures, the corrosion resistance of P110 steel decreases with the increase of temperature under atmospheric pressure. In addition, R p of P110 steel under high pressure is maintained in the range of 200 ∼ 375 Ωcm 2 , while that under atmospheric pressure is maintained in the range of 20 ∼ 160 Ωcm 2 , indicating that the corrosion products on P110 steel under high pressure is denser, which improves the corrosion resistance of P110 steel to a certain extent. Originality/value The WBE applied in high temperature and pressure environment is in blank. This work designed and prepared a WBE of P110 steel for high temperature and pressure environment, and the corrosion mechanism of P110 steel was revealed by using the designed WBE.

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来源期刊

Anti-corrosion Methods and Materials 工程技术-冶金工程

CiteScore

2.80

自引率

16.70%

发文量

审稿时长

13.5 months

期刊介绍： Anti-Corrosion Methods and Materials publishes a broad coverage of the materials and techniques employed in corrosion prevention. Coverage is essentially of a practical nature and designed to be of material benefit to those working in the field. Proven applications are covered together with company news and new product information. Anti-Corrosion Methods and Materials now also includes research articles that reflect the most interesting and strategically important research and development activities from around the world. Every year, industry pays a massive and rising cost for its corrosion problems. Research and development into new materials, processes and initiatives to combat this loss is increasing, and new findings are constantly coming to light which can help to beat corrosion problems throughout industry. This journal uniquely focuses on these exciting developments to make essential reading for anyone aiming to regain profits lost through corrosion difficulties. • New methods, materials and software • New developments in research and industry • Stainless steels • Protection of structural steelwork • Industry update, conference news, dates and events • Environmental issues • Health & safety, including EC regulations • Corrosion monitoring and plant health assessment • The latest equipment and processes • Corrosion cost and corrosion risk management.