Research Progress on Service Life and Physicochemical Properties of Enamel

Abstract

Abstract: Enameled equipment has the advantages of metal strength and high-temperature resistance, corrosion resistance, and easy cleaning of enamel. It is widely used in the pharmaceutical and chemical industries and has become a piece of irreplaceable equipment in the current chemical industry. However, the short service life of enamel and its various properties are far from the expected value. Therefore, it is of great significance to improve the physicochemical properties of enamel and extend its service life by introducing additives. By improving the integrity of the network structure, the chemical stability of enamel is significantly improved. The addition of abrasive additives and hard particles reduces the porosity and friction coefficient, and improves the wear resistance of enamel. The increase of anchor points and dendrites at the interface significantly enhances the adhesion of enamel. The addition of ceramic particles reduces the difference in thermal expansion coefficient, enhances toughness and oxygen resistance, thereby improving the high temperature protection performance of enamel. This paper summarized the research on the influence of additives on corrosion resistance, abrasion resistance, adherence and high temperature protection performance of enamel, and made a summary analysis, which had certain reference value for the subsequent experimental research.

Key words: enamel, corrosion, wear, adherence, high temperature protection

CLC Number:

TQ173

XUE Hongxi, CUI Yongfeng, XU Kunshan, LIU Jie, LI Zhiheng. Research Progress on Service Life and Physicochemical Properties of Enamel[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2020, 39(12): 3991-3997.

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