FABRICATION OF PROTECTIVE SiC/TiO2/SiO2 COATING FOR GRAPHITE ELECTRODES

Hossein Alian Moghadam (), Majid Jabbari (), Saeed Daneshmand, Saeid Rasouli Jazi and Arezoo Khosravi
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Hossein Alian Moghadam: Department of Mechanical Engineering, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr, Isfahan, Iran
Majid Jabbari: Department of Mechanical Engineering, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr, Isfahan, Iran
Saeed Daneshmand: Department of Mechanical Engineering, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr, Isfahan, Iran†Department of Mechanical Engineering, Majlesi Branch, Islamic Azad University, Isfahan, Iran
Saeid Rasouli Jazi: Department of Mechanical Engineering, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr, Isfahan, Iran
Arezoo Khosravi: Department of Mechanical Engineering, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr, Isfahan, Iran

Surface Review and Letters (SRL), 2021, vol. 28, issue 05, 1-6

Abstract: Today, there is a rapid growing demand for graphite electrodes used at steel making factories. Graphite electrodes are expensive materials that are used at steel making factories. Increasing the working longevity of these materials can significantly improve the benefit of steel melting process. Therefore, the increase in the stability of graphite at high elevated temperatures in electric arc furnaces is necessary. The mixture of SiC/TiO2/SiO2 coating can desirably reduce the oxidation of the graphite matrix at high temperatures. Evidently, the SiC/TiO2/SiO2 coating can specially decrease the mass loss rate of the graphite at high elevated temperatures and improve its working longevity in these conditions. Moreover, this coating can effectively improve the stability and thermal shock properties of graphite at the temperatures up to 1000∘C.

Keywords: Graphite electrode; ceramic coating; oxidation; electric arc furnace; SiC/TiO2/SiO2 (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1142/S0218625X21500384

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