Paper Title:
Synthesis and Densification of Nanometer K0.6Sr0.7Zr4P6O24 Powder
  Abstract

Nanometer K0.6Sr0.7Zr4P6O24 (KSZP) powders were synthesized from KNO3, Sr(NO3)2, NH4H2PO4 and ZrOCl2·8H2O by a direct co-precipitation method. The as-prepared precipitates and KSZP powders were characterized by thermal analysis, X-ray powder diffraction, granulometer and scanning electron microscope. The crystallization and particle characteristics of the KSZP powder product depend on treatment temperatures and the nanometer KSZP powder can be attained after heat-treated at 900°C. The effects of the sintering conditions on the densification of nanometer KSZP powder and the properties of KSZP ceramics were studied. Under the sintering temperature of 1380°C and the sintering time of 2h and the additive of Nb2O5 2wt%, the KSZP ceramic from the nanometer powder after heat-treated at 900°C has better comprehensive properties.

  Info
Periodical
Key Engineering Materials (Volumes 280-283)
Edited by
Wei Pan, Jianghong Gong, Chang-Chun Ge and Jing-Feng Li
Pages
791-794
DOI
10.4028/www.scientific.net/KEM.280-283.791
Citation
L. Li, X. Z. Guo, X. Z. Hu, M. Z. Ge, "Synthesis and Densification of Nanometer K0.6Sr0.7Zr4P6O24 Powder", Key Engineering Materials, Vols. 280-283, pp. 791-794, 2005
Online since
February 2007
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$32.00
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