溶胶-凝胶法制备氧化锆阻氢涂层及其性能分析
张静怡 , 吴建猛 , 谢佳琦 , 何梦园 , 朱鹏 , 李松杰
现代化工 ›› 2025, Vol. 45 ›› Issue (S1) : 195 -199.
溶胶-凝胶法制备氧化锆阻氢涂层及其性能分析
Preparation of zirconia-based hydrogen barrier coating by sol-gel method and evaluation of its properties
Metal materials are prone to hydrogen embrittlement in hydrogen environment.In order to solve this problem,the hydrogen resistance of metal materials is often enhanced by coating hydrogen barrier material,while oxide is the most common hydrogen barrier material.In this study,zirconia coating for hydrogen barrier is prepared on Q235 substrate by sol-gel method,and the influences of precursor concentration on the properties of zirconia coating is explored.Results show that the coating prepared under a zirconium to alcohol ratio of 1∶10 is compact and uniform,shows excellent mechanical properties and oxidation resistance,and presents the best hydrogen resistance.The prepared coating has a steady-state current density of 12.36 μA·cm-2,and its hydrogen resistance effect is 2.67 times that of the substrate.
zirconia / sol-gel method / coating / hydrogen permeation / hydrogen barrier
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河南省自然科学基金(212300410082)
河南省高校青年骨干教师项目(2020GGJS013)
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