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An explanation of the “grey system” analysis methodology for the evaluation of inert anode materials

Li Yuchun (Department of Chemistry & Environmental Engineering, Changsha University of Science & Technology, Changsha City, People's Republic of China State Key Laboratory for Powder Metallurgy, Central South University, Changsha City, People's Republic of China)
He Hanwei (State Key Laboratory for Powder Metallurgy, Central South University, Changsha City, People's Republic of China)
Zhou Tao (State Key Laboratory for Powder Metallurgy, Central South University, Changsha City, People's Republic of China)
Zhang Fang (Department of Chemistry & Environmental Engineering, Changsha University of Science & Technology, Changsha City, People's Republic of China)
Wang Hongmei (Department of Chemistry & Environmental Engineering, Changsha University of Science & Technology, Changsha City, People's Republic of China)
Song Liubin (Department of Chemistry & Environmental Engineering, Changsha University of Science & Technology, Changsha City, People's Republic of China)

Anti-Corrosion Methods and Materials

ISSN: 0003-5599

Article publication date: 27 June 2008

Abstract

Purpose

The purpose of this paper is to consider the use and application of the “grey system” modelling methodology for the prediction and characterisation of inert anodes used in the aluminium electrolysis industry.

Design/methodology/approach

Cermet was very interesting potential material for developing inert anodes, which was composed of ceramic phase (NiFe2O4) and metal/alloy phase (nickel‐iron‐copper).

Findings

Differential thermal analysis showed that newly fabricated cermet had good performance. The calcination temperature was very important for evaluating material properties, so was obtained in order to build the forecast grey model.

Originality/value

Through calculation the GM(1,1) model was proved to be accurate in predicting technical parameters, and able to pinpoint precisely the properties of cermet materials.

Keywords

Citation

Yuchun, L., Hanwei, H., Tao, Z., Fang, Z., Hongmei, W. and Liubin, S. (2008), "An explanation of the “grey system” analysis methodology for the evaluation of inert anode materials", Anti-Corrosion Methods and Materials, Vol. 55 No. 4, pp. 191-194. https://doi.org/10.1108/00035590810887682

Publisher

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Emerald Group Publishing Limited

Copyright © 2008, Emerald Group Publishing Limited