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聚晶金刚石复合片涂层在合成空气和水蒸气气氛中的高温抗氧化性能

High-Temperature Oxidation Resistance of PDC Coatings in Synthetic Air and Water Vapor Atmospheres.

作者信息

Parchovianský Milan, Parchovianská Ivana, Švančárek Peter, Medveď David, Lenz-Leite Mateus, Motz Günter, Galusek Dušan

机构信息

Centre for Functional and Surface Functionalised Glass, Alexander Dubček University of Trenčín, Študentská 2, 911 50 Trenčín, Slovakia.

Joint Glass Centre of the Institute of Inorganic Chemistry Slovak Academy of Sciences, Alexander Dubček University of Trenčín and Faculty of Chemical and Food Technology Slovak University of Technology, Študentská 2, 911 50 Trenčín, Slovakia.

出版信息

Molecules. 2021 Apr 20;26(8):2388. doi: 10.3390/molecules26082388.

DOI:10.3390/molecules26082388
PMID:33924073
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8074250/
Abstract

This work is aimed at the development and investigation of the oxidation behavior of ferritic stainless-steel grade AISI 441 and polymer-derived ceramic (PDC) protective coatings. Double-layer coatings of a PDC bond coat below a PDC top coat with glass and ceramic passive fillers' oxidative resistance were studied at temperatures up to 1000 °C in a flow-through atmosphere of synthetic air and in air saturated with water vapor. Investigation of the oxide products formed at the surface of the samples in synthetic air and water vapor atmospheres, at different temperatures (900, 950, 1000 °C) and exposure times (24, 96 h) was carried out on both uncoated steel and steel coated with selected coatings by scanning electron microscopy (SEM) and X-Ray diffraction (XRD). The Fe, CrO, TiO, and spinel (Mn,Cr)O phases were identified by XRD on oxidized steel substrates in both atmospheres. In the cases of the coated samples, m- ZrO, c- ZrO, YAG, and crystalline phases (Ba(AlSiO)-hexacelsian, celsian) were identified. Scratch tests performed on both coating compositions revealed strong adhesion after pyrolysis as well as after oxidation tests in both atmospheres. After testing in the water vapor atmosphere, Cr ions diffused through the bond coat, but no delamination of the coatings was observed.

摘要

这项工作旨在研究铁素体不锈钢AISI 441以及聚合物衍生陶瓷(PDC)防护涂层的氧化行为并进行相关开发。对具有玻璃和陶瓷钝化填料抗氧化性的PDC面涂层下方带有PDC粘结涂层的双层涂层,在高达1000°C的温度下,于合成空气的流通气氛以及水蒸气饱和的空气中进行了研究。通过扫描电子显微镜(SEM)和X射线衍射(XRD),对未涂层钢以及涂有选定涂层的钢在合成空气和水蒸气气氛中、不同温度(900、950、1000°C)和暴露时间(24、96小时)下样品表面形成的氧化物产物进行了研究。在两种气氛中,通过XRD在氧化钢基体上鉴定出了Fe、CrO、TiO和尖晶石(Mn,Cr)O相。对于涂层样品,鉴定出了m-ZrO、c-ZrO、YAG以及晶相(Ba(AlSiO)-六方钡长石、钡长石)。对两种涂层组合物进行的划痕试验表明,在热解后以及在两种气氛中的氧化试验后,涂层均具有很强的附着力。在水蒸气气氛中进行测试后,Cr离子扩散穿过粘结涂层,但未观察到涂层分层现象。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a40/8074250/9e81dbcc8ad6/molecules-26-02388-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a40/8074250/89aee4a1bb2b/molecules-26-02388-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a40/8074250/8db1fc18dfaf/molecules-26-02388-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a40/8074250/358856988b04/molecules-26-02388-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a40/8074250/23310517a65c/molecules-26-02388-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a40/8074250/7caaf8344e63/molecules-26-02388-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a40/8074250/9f6ed56c1072/molecules-26-02388-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a40/8074250/3812de15bdfd/molecules-26-02388-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a40/8074250/7e030ed590ba/molecules-26-02388-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a40/8074250/9e81dbcc8ad6/molecules-26-02388-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a40/8074250/89aee4a1bb2b/molecules-26-02388-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a40/8074250/8db1fc18dfaf/molecules-26-02388-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a40/8074250/358856988b04/molecules-26-02388-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a40/8074250/23310517a65c/molecules-26-02388-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a40/8074250/7caaf8344e63/molecules-26-02388-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a40/8074250/9f6ed56c1072/molecules-26-02388-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a40/8074250/3812de15bdfd/molecules-26-02388-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a40/8074250/7e030ed590ba/molecules-26-02388-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a40/8074250/9e81dbcc8ad6/molecules-26-02388-g009.jpg

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