Chen Wei, Du Guowei, Ma Zhaoceng, Xiao Zhigang, Qiu Baoqin. Sythesis of Lead Magnesium Niobate-Lead Titanate Dielectric Ceramic Powder by a Coprecipitation Process[J]. Chinese Journal of Engineering, 1995, 17(5): 472-475. DOI: 10.13374/j.issn1001-053x.1995.05.015
Citation: Chen Wei, Du Guowei, Ma Zhaoceng, Xiao Zhigang, Qiu Baoqin. Sythesis of Lead Magnesium Niobate-Lead Titanate Dielectric Ceramic Powder by a Coprecipitation Process[J]. Chinese Journal of Engineering, 1995, 17(5): 472-475. DOI: 10.13374/j.issn1001-053x.1995.05.015
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Sythesis of Lead Magnesium Niobate-Lead Titanate Dielectric Ceramic Powder by a Coprecipitation Process

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  • A coprecipitation method was used for preparation of lead magnesium niobate-lead titanate dielectric ceramic powder.X-ray powder diffraction revealed that the powder calcinated at 800℃ had only perovskite phase.The density of ceramic discs sintered at 1 000℃ was up to 96.77% the theoretical value,and its dielectric constant was reached 20 940 at room temperature.
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