Wenshuo Du, Yue Ma, Taofu Zhao, Rui Zhang, Ping Tang, Shihan Li, Wei Zhao, Hai Wang, Yuezhen Bin
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Preparation and properties of corrosion-resistant polysiloxane-based ceramic coatings
Developing high-performance anti-corrosion coating is an effective way of preventing metal surface from environmental corrosion. Polymethylhydrosiloxane (PMHS) precursor was utilized in combination with nano-zirconia (ZrO2) particles to prepare SiCxO-ZrO2 ceramic coating by means of high-temperature pyrolysis at 800 °C. A series of characterizations, including chemical structure, thermal stability, crystalline structure, microscopic morphology, and mechanical and electrochemical properties, were conducted to reveal the relation between the structure and the performance of the ceramic coatings. It was observed that the SiCxO-ZrO2 coating containing 20 wt% ZrO2 exhibited a hardness greater than 9H, impact resistance of 50 cm, water contact angle as high as 132°, and excellent corrosion resistance, which was attributed from the reparative effect of ZrO2 on ceramic coatings. This coating shows significant potential for use in storage tank anti-corrosion applications.
期刊介绍：
The Journal of Materials Science publishes reviews, full-length papers, and short Communications recording original research results on, or techniques for studying the relationship between structure, properties, and uses of materials. The subjects are seen from international and interdisciplinary perspectives covering areas including metals, ceramics, glasses, polymers, electrical materials, composite materials, fibers, nanostructured materials, nanocomposites, and biological and biomedical materials. The Journal of Materials Science is now firmly established as the leading source of primary communication for scientists investigating the structure and properties of all engineering materials.
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