Effect of CuO Addition on the Sintering Behavior and Electrical Conductivity of 3Y-TZP

J Mater Sci Technol ›› 2007, Vol. 23 ›› Issue (01): 131-134.

• Research Articles • Previous Articles Next Articles

Effect of CuO Addition on the Sintering Behavior and Electrical Conductivity of 3Y-TZP

Ahmed A.Hassan, Omar Abdelal A., S.M.EL-Hout

Dept. of Metallurgy, Nuclear Research Center, Atomic Energy Authority, Cairo, Egypt

Received:2006-02-14 Revised:2006-06-06 Online:2007-01-28 Published:2009-10-10
Contact: S.M.EL-Hout

Abstract

Abstract: Yttria stabilized tetragonal zirconia polycrystals (3Y-TZP) doped with CuO was prepared, to get two compositions, 0.3 and 1 mole fraction CuO, respectively. The dilatometric study of the samples showed sintering to be improved for the samples doped with 0.3 mole fraction CuO, and to be deteriorated for the samples doped with 1 mole fraction CuO. The 1 mole fraction CuO doped 3Y-TZP showed higher tetragonal/monoclinic phase transformation which was accompanied by grain growth. The electrical conductivity decreased with the addition of CuO.

Key words: Y2O3, Sintering aids, Electrical conductivity, Fuel cells

Ahmed A.Hassan, Omar Abdelal A., S.M.EL-Hout. Effect of CuO Addition on the Sintering Behavior and Electrical Conductivity of 3Y-TZP[J]. J Mater Sci Technol, 2007, 23(01): 131-134.

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Effect of CuO Addition on the Sintering Behavior and Electrical Conductivity of 3Y-TZP

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