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首页> 外文期刊>Scripta materialia >REACTION SINTERING OF PARTIALLY REACTED SYSTEM FOR PZT CERAMICS VIA A HIGH-ENERGY BALL MILLING
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REACTION SINTERING OF PARTIALLY REACTED SYSTEM FOR PZT CERAMICS VIA A HIGH-ENERGY BALL MILLING

机译：PZT陶瓷部分反应体系的高能球磨反应烧结

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摘要

A partially reacted mixture comprising PZT phase and the starting oxides has been successfully synthesized via a high-energy bail milling process by controlling the milling time within the second milling stage. The partially reacted system exhibited a sintering reaction when sintered at elevated temperature. Fully dense PZT ceramics with 99.2 percent of the theoretic density have been achieved from the partially reacted mixture at a sintering temperature of 1100 deg C for 1 h. The good dielectric (K = 1460, #delta# = 1.5 percent) and ferroelectric (P_r = 24.5 #mu#C/cm~2, E_c = 12 kV/cm) properties of the sintered PZT ceramic measured in the present work are in good agreement with the widely reported results of other processing techniques in the literature, indicating that high-energy milling process is a promising and flexible technique for the preparation of PZT ceramics. This concept of reaction sintering may also be applied to the other ceramic meterials.
机译：通过控制第二研磨阶段的研磨时间，已通过高能球磨过程成功合成了包含PZT相和起始氧化物的部分反应混合物。当在高温下烧结时，部分反应的体系表现出烧结反应。在1100摄氏度的烧结温度下，由部分反应的混合物获得了理论密度为99.2％的全致密PZT陶瓷。在本工作中测得的PZT烧结陶瓷具有良好的介电性能（K = 1460，＃δ＃= 1.5％）和铁电性能（P_r = 24.5＃mu＃C / cm〜2，E_c = 12 kV / cm）。与文献中其他加工技术的广泛报道结果高度吻合，表明高能研磨工艺是制备PZT陶瓷的有前途且灵活的技术。反应烧结的概念也可以应用于其他陶瓷材料。

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