Paper Title:
Strengthen of Porous Al2O3 Ceramics by Adding Nanoparticle ZrO2 Addition
  Abstract

In this paper, Nanoslurry-ZrO2 were added into alumina powders to improve the bending strength of macroporous Al2O3 Ceramic sintered at 1550°C, 1600°C, 1650°C corresponding for3h each in air, respectively. The results show that the bending strength of porous alumina ceramic was simultaneously greatly influenced by various ZrO2 contents. When ZrO2 content is 2wt%, the maximum bending strength value of sample heated at 1650°C was observed, which achieves to 50 MPa. And the maximum bending strength value of any sample also exists at 1650oC. By SEM analysis, many fine ZrO2 particles with high activity surface form a neck bonding which is beneficial to the improvements of bending strength.

  Info
Periodical
Advanced Materials Research (Volumes 79-82)
Edited by
Yansheng Yin and Xin Wang
Pages
239-242
DOI
10.4028/www.scientific.net/AMR.79-82.239
Citation
G. Y. Li, Y. Q. Fan, "Strengthen of Porous Al2O3 Ceramics by Adding Nanoparticle ZrO2 Addition", Advanced Materials Research, Vols. 79-82, pp. 239-242, 2009
Online since
August 2009
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Price
$32.00
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