YSZ（高YO含量）层在因科镍合金上的电化学腐蚀行为。

Behavior of YSZ (High YO Content) Layer on Inconel to Electro-Chemical Corrosion.

作者信息

Adomniței Ionut, Cimpoeșu Ramona, Chicet Daniela Lucia, Coteață Margareta, Lupu Fabian Cezar, Bejinariu Costică, Andrușcă Liviu, Paraschiv Petronela, Axinte Mihai, Bădărău Gheorghe, Cimpoeșu Nicanor

机构信息

Faculty of Materials Science and Engineering, "Gheorghe Asachi" Technical University of Iasi, 67 Dimitrie Mangeron Street, 700050 Iasi, Romania.

Faculty of Machine Manufacturing and Industrial Management, "Gheorghe Asachi" Technical University of Iasi, 700050 Iasi, Romania.

出版信息

Materials (Basel). 2025 Jan 16;18(2):400. doi: 10.3390/ma18020400.

DOI:10.3390/ma18020400

PMID:39859871

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11767143/

Abstract

The high yttria content of a stabilized zirconia (YSZ) (38 wt% YO) coating was deposited by atmospheric plasma spraying (APS) from Metco 207 powders on an Inconel 718 (Ni-based superalloy) substrate. As a metal coating connection, a layer of cermet powder (Ni-20% Al-410NS) was used before the ceramic layer deposition. The electro-chemical corrosion resistance of these materials was tested using Inconel cylinders with a diameter of 10 mm and a thickness of 1 mm, with and without the ceramic layer. Linear and cyclic measurements were obtained in HSO electrolyte media at pH = 2. Electro-impedance spectroscopy (EIS) experiments were performed on the sample covered with the ceramic layer to evaluate the interface behavior. Scanning electron microscopy (SEM), along with equipment to determine chemical composition, and an energy dispersive spectrometry (EDS) detector were used to characterize the material surface before and after corrosion tests. It was observed that the corrosion resistance of Inconel was influenced by the bonding layer and the ceramic coating.

摘要

通过大气等离子喷涂（APS），使用Metco 207粉末在Inconel 718（镍基高温合金）基体上沉积了高氧化钇含量的稳定氧化锆（YSZ）（38 wt% YO）涂层。作为金属涂层连接，在陶瓷层沉积之前使用了一层金属陶瓷粉末（Ni-20% Al-410NS）。使用直径为10 mm、厚度为1 mm的Inconel圆柱体，在有和没有陶瓷层的情况下测试了这些材料的耐电化学腐蚀性。在pH = 2的HSO电解质介质中进行了线性和循环测量。对覆盖有陶瓷层的样品进行了电化学阻抗谱（EIS）实验，以评估界面行为。使用扫描电子显微镜（SEM）以及用于确定化学成分的设备和能量色散光谱（EDS）探测器对腐蚀测试前后的材料表面进行了表征。观察到Inconel的耐腐蚀性受到粘结层和陶瓷涂层的影响。