Influence of Calcination Temperatures on the Morphology and Specific Surface Area Development of ZrO2-CeO2-Y2O3-Al2O3 Powders Obtained via Sol-Gel Route

被引：0
|
作者：
Nakonieczny, Damian S. [1 ]
Paszenda, Zbigniew K. [1 ]
Majewska, Justyna [2 ]
Drewniak, Sabina [3 ]
Bogacz, Wojciech [4 ]
Antonowicz, Magdalena [1 ]
Sambok, Agata [1 ]
Krawczyk, Cezary [5 ]
机构：
[1] Silesian Tech Univ, Fac Biomed Engn, Dept Biomat & Med Devices Engn, Roosevelta 40 St, Zabrze, Poland
[2] Silesian Tech Univ, Fac Biomed Engn, Dept Biosensors & Biomed Signal Proc, Roosevelt 40 St, PL-41800 Zabrze, Poland
[3] Silesian Tech Univ, Dept Optoelect, B Krzywoustego 2 St, Gliwice, Poland
[4] Silesian Tech Univ, Fac Chem, Dept Chem Engn & Proc Design, M Strzody 7 St, Gliwice, Poland
[5] Med Coll Zabrze, Dept Dent Technol, 3 Maja 63 St, Zabrze, Poland
来源：
INNOVATIONS IN BIOMEDICAL ENGINEERING | 2018年 / 623卷
关键词：
zirconia; prosthetic dentistry; sol-gel; calcination; morphology; BET; YTTRIA-STABILIZED ZIRCONIA; DEGRADATION; CERAMICS; DOPANTS; ZRO2;
D O I：
10.1007/978-3-319-70063-2_38
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
BACKGROUND: Doped with metal oxide, zirconia is one of the most currently used ceramics for making a wide range of all-ceramic restorations in dental prosthetics. Its use entails very good mechanical properties and the possibility of obtaining a desirable aesthetic effect of manufactured prostheses. OBJECTIVE: The main purpose/aim of this study was to investigate the influence of calcination temperature on the morphology and specific surface area development of a ZrO2-CeO2-Y2O3-Al2O3 powder system obtained with a humid-free sol-gel process. METHODS: Powders were obtained by the sol-gel method in an inert gas atmosphere at ambient temperature using, for this purpose, zirconium n-propoxide. Morphology was examined by scanning electron microscopy (SEM), and specific surface area was investigated with full-adsorption isotherms in nitrogen with a Brunauer-Emmett-Teller model (BET). RESULTS: Depending on the calcination temperature, different morphologies and surface areas were observed. With an increase in temperature, grain growth was observed. CONCLUSIONS: The influence of calcination temperature on morphology and specific surface area of the as-obtained powders was clearly evidenced.
引用
收藏
页码：359 / 367
页数：9
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