Conference proceeding
The thermal stability and structural properties evolution of cured and non-cured ZrO2 and ZrO2-SiO2 powders
COLLOIDAL CERAMIC PROCESSING OF NANO-, MICRO, AND MACRO- PARTICULATE SYSTEMS, Vol.152(152)
CERAMIC TRANSACTIONS
01 Jan 2004
Abstract
The curing effect on ZrO2 powders was studied using Teflon flask to avoid the Si dissolved from glass containers. It was found that curing ZrO2 powders at 75degreesC for 5 days generates larger pore volume and pore size. The cured ZrO2 also has 30similar to40 m(2)/g higher specific surface area than non-cured ZrO2 before extensive heat treatment. As heat treatment time increases ZrO2 powders begin to sinter. At the same time the pore volume decreases and the pore size increases and the initial surface area difference between the cured and non-cured ZrO2 diminishes with time. On the other hand, for Si-doped ZrO2 powders, the initial surface area difference between cured and non-cured samples is preserved even after hours of calcinations at elevated temperatures because Si effectively inhibits sintering and stabilizes the textural structures of ZrO2 powders.
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Details
- Title
- The thermal stability and structural properties evolution of cured and non-cured ZrO2 and ZrO2-SiO2 powders
- Creators
- Q ZhaoW Y ShihW H Shih
- Contributors
- W H Shih (Editor)Y Hirata (Editor)W Carty (Editor)
- Publication Details
- COLLOIDAL CERAMIC PROCESSING OF NANO-, MICRO, AND MACRO- PARTICULATE SYSTEMS, Vol.152(152)
- Series
- CERAMIC TRANSACTIONS
- Publisher
- Amer Ceramic Soc
- Number of pages
- 10
- Resource Type
- Conference proceeding
- Language
- English
- Academic Unit
- School of Biomedical Engineering, Science, and Health Systems; Materials Science and Engineering; Materials Science and Engineering
- Identifiers
- 991019170467204721
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