Phase Formation in Al2O3–ZrO2–CeO2 Nanopowders Modified with Calcium Cations
- 作者: Podzorova L.I.1, Il’icheva A.A.1, Pen’kova O.I.1, Sirotinkin V.P.1, Antonova O.S.1, Konovalov A.A.1
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隶属关系:
- Baikov Institute of Metallurgy and Materials Science
- 期: 卷 54, 编号 5 (2018)
- 页面: 454-459
- 栏目: Article
- URL: https://journals.rcsi.science/0020-1685/article/view/158450
- DOI: https://doi.org/10.1134/S0020168518050102
- ID: 158450
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详细
We have studied phase formation in calcium-modified Al2O3–ZrO2–CeO2 nanopowders during sol–gel synthesis. The results demonstrate that heat treatment of the nanopowders first leads to the formation of a zirconium dioxide-based solid solution stabilized with cerium cations. Raising the heat treatment temperature helps the crystallization of corundum, a stable phase of aluminum oxide, to reach completion. In the temperature range 1400–1550°C, we observe the formation of a second aluminum-containing phase: calcium cerium hexaaluminate consisting of long prismatic grains.
作者简介
L. Podzorova
Baikov Institute of Metallurgy and Materials Science
编辑信件的主要联系方式.
Email: ludpodzorova@gmail.com
俄罗斯联邦, Leninskii pr. 49, Moscow, 119991
A. Il’icheva
Baikov Institute of Metallurgy and Materials Science
Email: ludpodzorova@gmail.com
俄罗斯联邦, Leninskii pr. 49, Moscow, 119991
O. Pen’kova
Baikov Institute of Metallurgy and Materials Science
Email: ludpodzorova@gmail.com
俄罗斯联邦, Leninskii pr. 49, Moscow, 119991
V. Sirotinkin
Baikov Institute of Metallurgy and Materials Science
Email: ludpodzorova@gmail.com
俄罗斯联邦, Leninskii pr. 49, Moscow, 119991
O. Antonova
Baikov Institute of Metallurgy and Materials Science
Email: ludpodzorova@gmail.com
俄罗斯联邦, Leninskii pr. 49, Moscow, 119991
A. Konovalov
Baikov Institute of Metallurgy and Materials Science
Email: ludpodzorova@gmail.com
俄罗斯联邦, Leninskii pr. 49, Moscow, 119991
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