搪瓷涂层厚度对316L钢在NaCl +水蒸气+空气中耐热腐蚀性能的影响

IF 1.5 3区材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING

Oxidation of Metals Pub Date : 2025-07-23 DOI:10.1007/s11085-025-10348-0

Junan Pan, Shujiang Geng, Minghui Chen, Fuhui Wang

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引用次数: 0

摘要

在316L不锈钢表面沉积了厚度为5µm、15µm和30µm的搪瓷涂层。将涂层钢分别置于600、700和805℃的NaCl +水蒸气+空气环境中。研究了涂层厚度对热腐蚀行为的影响。结果表明，涂层的耐蚀性随厚度的减小而降低。涂层厚度为5µm，在600℃时出现细小裂纹，高温时脱落。805℃时，15µm厚涂层表面出现少量剥落坑。30µm厚的涂层在三个温度下都能有效地保护钢基体。

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Effect of Enamel Coating Thickness on the Hot Corrosion Resistance of Coated 316L Steel in NaCl + Water Vapor + Air

Enamel coatings with different thicknesses of 5 µm, 15 µm and 30 µm were deposited on 316L stainless steel. The coated steels were exposed to 600, 700, and 805 ℃ in an environment of NaCl + water vapor + air. The effect of coating thickness on the hot corrosion behavior was investigated. Results demonstrated that the corrosion resistance of the enamel coating declines with reducing thickness. The 5 µm thick coating exhibits minor cracks at 600 ℃ and peels off at higher temperatures. Small amounts of spalling pits emerge on the surface of the 15 µm thick coating at 805 ℃. The 30 µm thick coating effectively protects the steel substrate at the three temperatures studied.

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来源期刊

Oxidation of Metals 工程技术-冶金工程

CiteScore

5.10

自引率

9.10%

发文量

审稿时长

2.2 months

期刊介绍： Oxidation of Metals is the premier source for the rapid dissemination of current research on all aspects of the science of gas-solid reactions at temperatures greater than about 400˚C, with primary focus on the high-temperature corrosion of bulk and coated systems. This authoritative bi-monthly publishes original scientific papers on kinetics, mechanisms, studies of scales from structural and morphological viewpoints, transport properties in scales, phase-boundary reactions, and much more. Articles may discuss both theoretical and experimental work related to gas-solid reactions at the surface or near-surface of a material exposed to elevated temperatures, including reactions with oxygen, nitrogen, sulfur, carbon and halogens. In addition, Oxidation of Metals publishes the results of frontier research concerned with deposit-induced attack. Review papers and short technical notes are encouraged.