Synthesis and sintering of nanocrystalline barium titanate powder under nonisothermal conditions. IV. Electron microscope study of the evolution of barium titanate powder morphology

被引：0
作者：
O. O. Vasyl’kiv
A. V. Ragulya
V. V. Skorokhod
N. V. Danilenko
机构：
来源：
Powder Metallurgy and Metal Ceramics | 1998年 / 37卷
关键词：
Barium Titanate; High Heating Rate; Crystal Hydrate; Prodan; Nonisothermal Condition;
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摘要：
The dependence of BaTiO3 powder morphology evolution during decomposition of barium titanyl-oxalate and subsequent barium titanate synthesis on heating rate is studied. It is established that the mechanisms of morphology development depend upon the heating mode and the necessity of a nonlinear heating schedule is proven. This schedule makes it possible to avoid some limitations of linear heating schedule and to use their advantages.
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页码：137 / 144
页数：7
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[1]  
Ragulya A. V.(1997)Synthesis and sintering of nanocrystalline barium titanate powder under nonisothermal conditions. I. Control of barium titanate fineness during its synthesis from barium titanyl-oxalate Poroshk. Metall. 3–4 59-65
[2]  
Vasyl'kiv O. O.(1997)Synthesis and sintering of nanocrystalline barium titanate powder under nonisothermal conditions. II. Phase analysis of barium titanyl-oxalate decomposition products and synthesis of barium titanate Poroshk. Metall. 5–6 53-59
[3]  
Skorokhod V. V.(1997)Synthesis and sintering of nanocrystalline barium titanate powder under nonisothermal conditions. III. Chromatographic analysis of gases which form during decomposition of barium titanyl-oxalate with synthesis of barium titanate Poroshk. Metall. 11–12 11-15
[4]  
Vasyl'kiv O. O.(1995)Effect of topochemical memory: nature and role in the synthesis of solid-phase substances and materials Ros. Khim. Zh. 39 85-93
[5]  
Ragulya A. V.(1994)Effect of particle size on the room-temperature crystal structure of barium titanate J. Amer. Ceram. Soc. 77 3186-3192
[6]  
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