Volume 21 Issue 3
Apr 2015
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WANG Jun-Xia, YANG Shi-Yuan, HE Hong-Liang, WANG Jin. Study on the Mechanism of PZT95/5 Powder Synthesis by Shock Waves[J]. Chinese Journal of High Pressure Physics, 2007, 21(3): 322-326 . doi: 10.11858/gywlxb.2007.03.018
Citation: WANG Jun-Xia, YANG Shi-Yuan, HE Hong-Liang, WANG Jin. Study on the Mechanism of PZT95/5 Powder Synthesis by Shock Waves[J]. Chinese Journal of High Pressure Physics, 2007, 21(3): 322-326 . doi: 10.11858/gywlxb.2007.03.018

Study on the Mechanism of PZT95/5 Powder Synthesis by Shock Waves

doi: 10.11858/gywlxb.2007.03.018
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  • Corresponding author: WANG Jun-Xia
  • Received Date: 09 Jun 2006
  • Rev Recd Date: 31 Jan 2007
  • Publish Date: 05 Sep 2007
  • A cylinder shock-wave recycling device was used, and via impacting effects of explosive shock waves, PZT95/5 powders were synthesized from a mixture of Pb3O4, ZrO2, and TiO2 oxides. Based on the XRD analyses of recovered powders and shock wave theory, the synthesis mechanism and process of PZT powders are discussed from the experimental and theoretical facets. The results show that PZT synthesis and Pb3O4 decomposition happened simultaneously, because of the shock-wave particularity, the system temperature and pressure could simultaneously satisfy the thermodynamics conditions of Pb3O4 decomposition and PZT synthesizing reactions. Thus once PbO formed by decomposing Pb3O4, PbO would react immediately with ZrO2 and TiO2 oxide compounds to produce PZT. And the reaction of shocksynthesizing PZT powders belonged to the special solid phase reaction, in which the diffusion velocity and reaction speed were enhanced greatly.

     

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