Ta Influence on Corrosion Resistance of Cr Coatings via Electrospark Deposition

IF 0.8 4区工程技术 Q4 ELECTROCHEMISTRY

Russian Journal of Electrochemistry Pub Date : 2025-07-10 DOI:10.1134/S1023193524601190

Feng Gao, Yuanchao Wang, Haimin Yan, Mingli Ding, Guanglin Zhu, Zijun Wang, Xiaoming Chen, Ce’an Guo, Jian Zhang

引用次数: 0

Abstract

Cr and Cr–10Ta coatings were prepared on CrNi3MoVA using electrospark deposition technology and evaluated for their corrosion resistance. The findings indicated that the Cr–10Ta coating demonstrated a 76% decrease in corrosion current density (I_corr) and a 13% increase in corrosion potential (E_corr) compared to the CrNi3MoVA. The Cr coating exhibited a 46% reduction in I_corr and an 8% elevation in E_corr. The charge transfer resistances of the Cr and Cr–10Ta coatings were 1.5 and 6.4 times higher than that of the CrNi3MoVA. The Cr–10Ta coating demonstrated better corrosion resistance than the Cr coating for the latter had a localized corrosion.

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电火花沉积对Cr涂层耐蚀性的影响

采用电火花沉积技术在CrNi3MoVA表面制备了Cr和Cr - 10ta涂层，并对其耐蚀性进行了评价。结果表明，与CrNi3MoVA涂层相比，Cr-10Ta涂层的腐蚀电流密度（Icorr）降低了76%，腐蚀电位（Ecorr）提高了13%。Cr涂层可使Icorr降低46%，Ecorr升高8%。Cr和Cr - 10ta涂层的电荷转移电阻分别是CrNi3MoVA涂层的1.5倍和6.4倍。Cr - 10ta涂层的耐蚀性优于Cr涂层，Cr涂层具有局部腐蚀。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Russian Journal of Electrochemistry 工程技术-电化学

CiteScore

1.90

自引率

8.30%

发文量

102

审稿时长

6 months

期刊介绍： Russian Journal of Electrochemistry is a journal that covers all aspects of research in modern electrochemistry. The journal welcomes submissions in English or Russian regardless of country and nationality of authors.