Understanding the structural and electrochemical properties of YSZ coating deposited by electrophoretic deposition

IF 2.9 Q1 MATERIALS SCIENCE, CERAMICS

Open Ceramics Pub Date : 2025-04-26 DOI:10.1016/j.oceram.2025.100789

Omid Sharifahmadian, Ashokraja Chandrasekar, Reza Samiee, Amirhossein Pakseresht

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Abstract

Industries suffer significant financial losses when stainless-steel components are damaged under corrosive conditions. To counter this problem, yttria-stabilized zirconia (YSZ) coating was deposited by electrophoretic deposition (EPD) on AISI 441 stainless steel substrate to improve its corrosion resistance properties. In this study, the impact of varying the sintering temperature on the microstructure and corrosion resistance of the YSZ coating was investigated. X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) were used to analysis the phases and surface chemistry of the coatings. Scanning electron microscopy (SEM) and confocal microscopy revealed that increasing the sintering temperature from 800 °C to 1100 °C increased the grain size and surface roughness. Compared with the other coatings, the sintered YSZ coating at 1000 °C had superior corrosion resistance. This research confirmed the potential of the YSZ coating produced by the EPD technique on a stainless-steel substrate to function as a reliable interface for corrosion-resistant application.

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了解电泳沉积的YSZ涂层的结构和电化学性能

当不锈钢部件在腐蚀条件下损坏时，工业会遭受重大的经济损失。为了解决这一问题，采用电泳沉积（EPD）方法在AISI 441不锈钢基体上沉积氧化钇稳定氧化锆（YSZ）涂层，以提高其耐腐蚀性能。在本研究中，研究了不同的烧结温度对YSZ涂层组织和耐蚀性的影响。利用x射线衍射（XRD）和x射线光电子能谱（XPS）分析了涂层的物相和表面化学性质。扫描电镜（SEM）和共聚焦显微镜观察发现，烧结温度从800℃升高到1100℃，晶粒尺寸和表面粗糙度增大。与其他涂层相比，在1000℃下烧结的YSZ涂层具有更好的耐腐蚀性。这项研究证实了EPD技术在不锈钢基体上生产的YSZ涂层的潜力，可以作为耐腐蚀应用的可靠界面。

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