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Effect of Calcination of the Raw Materials on the Microstructure and Electrical Properties of ZnO-Based Linear Resistance Ceramics
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Effect of Calcination of the Raw Materials on the Microstructure and Electrical Properties of ZnO-Based Linear Resistance Ceramics

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Abstract:

ZnO-based linear resistance ceramics were fabricated by the conventional ceramic method. The effect of calcination of the raw materials on the microstructure and electrical properties was investigated in detail. The results show that the electrical properties, such as resistivity, nonlinear coefficient and resistance temperature coefficient, have been obviously influenced by the calcining process. The optimal samples fabricated with the materials calcinated for twice possess the highest stabilization of resistivity. Meanwhile, the resistance temperature coefficient is improved by 30%, and the nonlinear coefficient of voltage decreases to 1.16, decreased by 20.7%.

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Eco-Materials Processing and Design XIII View Preview

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Periodical:

Materials Science Forum (Volume 724)

Pages:

327-330

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.724.327

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Online since:

June 2012

Authors:

Jian Feng Zhu, Yong Zhou

Keywords:

Calcination, Electrical Properties, Microstructure, Resistors, Zinc Oxide (ZnO)

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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