Research on Properties of Al2O3-Based Cermets Inert Anode

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The cermets were prepared for aluminum electrolysis as inert anode. The microstructure of cermets inter anode was dense , the crystal of cermets growth ideally. The electric conductivity was stable and good, had the electric conductivity property of the semiconductor. The conductivity increased with temperature increasing. Electrolysis was conducted 12h at 850°C in cryolite molten salt(CR=2.0, Al2O3 comtent 5.0% ), and the anodic current density was 1.0 A/cm2.The results showed that the cermets inert anode had high anti-oxidation, corrosion resistance and high conductivity. The back electromotive force was 2.45V, the decomposition voltage was 2.18V, the conductivity at 850°C was 47S/cm, the annual corrosion rate was 23.68 mm/year.

Info:

Periodical:

Advanced Materials Research (Volumes 189-193)

Edited by:

Zhengyi Jiang, Shanqing Li, Jianmin Zeng, Xiaoping Liao and Daoguo Yang

Pages:

4377-4382

DOI:

10.4028/www.scientific.net/AMR.189-193.4377

Citation:

J. C. Mu and L. P. Zhang, "Research on Properties of Al2O3-Based Cermets Inert Anode", Advanced Materials Research, Vols. 189-193, pp. 4377-4382, 2011

Online since:

February 2011

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$35.00

[1] Zhuxian Qiu: Aluminium Metallurgical Physical Chemistry. (Shanghai scientific & Technical Press, China 1985).

[2] Thonstad J , Fellner P , Haarberg G M: Aluminium, . (Aluminium Verlag Press , Düsseldorf 2001).

[3] Pawlek R P. : Light Metals . Warrendale , Pa : TMS , (2002), p.449.

[4] BENEDYK J C. : Light Met Age . Vol. 12(2001)p.36.

[5] XIAO H , HOVLAND R , ROLSTH S: Metall Mater Proc Sci . Vol. 2(1996) p.185.

[6] Zhongliang Tian, Yanqing Lai, Huanan Duan: Conservation and Utilization of Mineral Resources (in Chinese). Vol. 5(2004)p.37.

[7] Jianjun Chen, Jianhong Yang, Xiaochun Chen: Journal of Central South University (in Chinese). Vol. 2(2003)p.303.

[8] Zhuxian Qiu, Zhongning Shi, Junli Xu.: Chinese Engineering Science (in Chinese). Vol. 8(2004)p.35.

[9] J. A. Sekhar, H. Deng, J. Liu, E. Sum, J. J. Duruz and V. de Nora: Light Metals. 1999p. 347.

[10] Mianceng Su: Introduction to Solid Chemistry. ( China Peking University Press, China 1987).

[11] Elhiti M A , Aboelata A M.: Journal of Magnetism and Magnetic Materials . Vol. 3(1999)p.667.

[12] K. Park.: Scrip ta Materiallia, Vol. 50(2004)p.551.

[13] K. Park: Materials Science and Engineering. Vol. 104(2003)p.9.

[14] Weimin Wang: Journal of Anyang Teachers College (in Chinese). Vol. 2(2005)p.41.

[15] Naixiang Feng: Aluminum Electrolysis. ( Chemical Industry Press, China2006).

[16] Zhuxian Qiu: Aluminum Electrolysis Theory and Application (University of Mining And Technology Press, China 1998).

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