Nanocrystalline ZrO₂ Porous Ceramics Fabricated by SPS

Abstract:

The porous ZrO₂ ceramics was prepared by spark plasma sintering (SPS) at 520 °C. A dense closed micro-cellular ceramic structure was fabricated with micron Al₉₀Mn₉Ce₁ alloy powders clading by 10 wt% ZrO₂ nano-powder. SEM image showed that the thickness of ceramic cell wall was 1.0 - 2.0 μm. After deep corrosion with 10% HCl, an integrity nanocrystalline ZrO₂ porous sample was obtained. Based on the experimental results, the transient spark plasma sintering mechanism of micron-nano mixing powder was also studied.

• Periodical: Advanced Materials Research (Volumes 306-307)
• Pages: 1398-1401
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.306-307.1398
• Online since: August 2011
• Authors: Di Zhang, Ming Gang Wang, Zhan Kui Zhao
• Keywords: Nanocrystalline ZrO₂, Porous Ceramics, SPS

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