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首页> 外文期刊>Journal of Materials Science >Preparation and phase formation of perovskite Pb(Ni1/3Nb2/3)O3 by a reaction-sintering process
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Preparation and phase formation of perovskite Pb(Ni1/3Nb2/3)O3 by a reaction-sintering process

机译:反应烧结法制备钙钛矿型Pb(Ni1 / 3 Nb2 / 3 )O3 的相形成

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摘要

Pyrochlore-free Pb(Ni1/3Nb2/3)O3 perovskite ceramics produced by a simple and effective reaction-sintering process were investigated. Without any calcination, the mixture of PbO, Ni(NO3)2 and Nb2O5 was pressed and sintered directly into PNN ceramics. Density of 98.5% of theoretical value was obtained after sintered at 1230 °C for 2 h in air. 99.3% of theoretical density was obtained after sintered at 1,200 °C for 2 h in PbO compensated atmosphere. PNN ceramic with dielectric constant 1,680 at 25 °C and 1 kHz has been obtained.
机译:研究了一种简单有效的反应烧结法制备的无烧绿石的Pb(Ni1 / 3 Nb2 / 3 )O3 钙钛矿陶瓷。在不进行任何煅烧的情况下,将PbO,Ni(NO3 )2 和Nb2 O5 的混合物压制并直接烧结到PNN陶瓷中。在空气中于1230°C烧结2 h后,可获得理论值的98.5%的密度。在PbO补偿的气氛中于1200°C烧结2小时后,可获得99.3%的理论密度。已获得在25°C和1 kHz下介电常数为1,680的PNN陶瓷。

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  • 来源
    《Journal of Materials Science》 |2007年第8期|2612-2617|共6页
  • 作者单位

    Department of Electronic Engineering Kun-Shan University 949 Da Wan Rd. Tainan Hsien 71003 Taiwan ROC;

    Department of Electronic Engineering Kun-Shan University 949 Da Wan Rd. Tainan Hsien 71003 Taiwan ROC;

    Department of Electronic Engineering Kun-Shan University 949 Da Wan Rd. Tainan Hsien 71003 Taiwan ROC;

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