EFFECT OF CUO ON THE SINTERING BEHAVIOR, MICROSTRUCTURE AND PROTON CONDUCTIVITY OF YTTRIUM DOPED BARIUM ZIRCONATE

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SHERAFAT Z.; PAYDAR M.H.

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Journal: JOURNAL OF NEW MATERIALS Year:2011 | Volume:1 | Issue:4 Page(s): 75-85

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Title

EFFECT OF CUO ON THE SINTERING BEHAVIOR, MICROSTRUCTURE AND PROTON CONDUCTIVITY OF YTTRIUM DOPED BARIUM ZIRCONATE

Author(s)

SHERAFAT Z. | PAYDAR M.H. | Issue Writer Certificate

Keywords

CERAMIC PROTON CONDUCTORSQ3

PEROVSKITE STRUCTUREQ3

HYDROGENQ2

BARIUM ZIRCONATEQ3

SINTERING AIDQ3

Abstract

In the present work, the effect of addition of 2 wt% CuO on the sintering behavior, microstructure and proton conductivity of the yttrium doped BARIUM ZIRCONATE has been studied. Yttrium doped BARIUM ZIRCONATE (BZY20) including 2 wt% CuO, as SINTERING AID, was produced via solid state synthesis method using carbonate and oxides as raw materials. To characterize the crystal structure of the synthesized compounds, XRD analysis was used. The green samples, produced by dry pressing, were sintered in the range of 1300 to 1500oC for 5 to 24 h. Microstructure of the sintered samples was studied by the means of SEM to determine the amount of remained porosities and the grain sizes. Proton conductivity of the samples was determined using impedance analyzer in a wet and dry reducing atmosphere. The results showed that using 2 wt% CuO is so effective in reducing the sintering temperature and also in increasing the size of the grains. So that the sintering temperature decreased to 1400oC and grain size increased to more than 5 times. These results also showed that in the presence of 2 wt% CuO the conductivity of the BZY20 compounds can be improved.

Cites

AN STUDYING ON THE SYNTHESIS AND DENSIFICATION BEHAVIOR OF β”- ALUMINA ELECTROLYTE FOR SODIUM-SULFUR BATTERIES

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APA: Copy

SHERAFAT, Z., & PAYDAR, M.H.. (2011). EFFECT OF CUO ON THE SINTERING BEHAVIOR, MICROSTRUCTURE AND PROTON CONDUCTIVITY OF YTTRIUM DOPED BARIUM ZIRCONATE. JOURNAL OF NEW MATERIALS, 1(4), 75-85. SID. https://sid.ir/paper/169949/en

Vancouver: Copy

SHERAFAT Z., PAYDAR M.H.. EFFECT OF CUO ON THE SINTERING BEHAVIOR, MICROSTRUCTURE AND PROTON CONDUCTIVITY OF YTTRIUM DOPED BARIUM ZIRCONATE. JOURNAL OF NEW MATERIALS[Internet]. 2011;1(4):75-85. Available from: https://sid.ir/paper/169949/en

IEEE: Copy

Z. SHERAFAT, and M.H. PAYDAR, “EFFECT OF CUO ON THE SINTERING BEHAVIOR, MICROSTRUCTURE AND PROTON CONDUCTIVITY OF YTTRIUM DOPED BARIUM ZIRCONATE,” JOURNAL OF NEW MATERIALS, vol. 1, no. 4, pp. 75–85, 2011, [Online]. Available: https://sid.ir/paper/169949/en

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