The effect of the synthesis conditions of aluminum-modified nanosized titanium dioxide on the efficiency of its use in electrorheological dispersions

被引:7
作者
Murashkevich, A. N. [1 ]
Alisienok, O. A. [1 ]
Zharskii, I. M. [1 ]
Korobko, E. V. [2 ]
Novikova, Z. A. [2 ]
机构
[1] Belarusian State Technol Univ, Ul Sverdlova 13a, Minsk 220006, BELARUS
[2] Natl Acad Sci Belarus, Lykov Inst Heat & Mass Transfer, Ul P Brovki 15, Minsk 220072, BELARUS
关键词
MESOPOROUS TIO2; DOPED TIO2; MICROSTRUCTURE; PROPERTY; BEHAVIOR;
D O I
10.1134/S1061933X17010100
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A comparative study of the physicochemical properties of nanodispersed TiO2 samples synthesized from TiCl4 by the sol-gel and coprecipitation methods has shown the advantages of the former from the points of view of both the specific surface area and electrorheological response of the obtained filler in 5% electrorheological dispersions. A correlation has been revealed between the temperature of TiO2 treatment (600-800A degrees C) and its structure, phase state and electrorheological response. The maximum shear stress increment has been observed for dispersions of TiO2 samples that contain 7-10 mol % Al and have been thermotreated at 700A degrees C for 3.0-3.5 h.
引用
收藏
页码:87 / 93
页数:7
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