EFFECT OF THE POLARITY OF THE MEDIUM ON AGGREGATE STABILITY AND THE ELECTROPHORETIC DEPOSITION OF SUSPENSIONS OF HIGH-TEMPERATURE SUPERCONDUCTORS

被引:0
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作者
BEDENKO, VG [1 ]
NICHIKOVA, TN [1 ]
CHISTYAKOV, BE [1 ]
KALININ, NB [1 ]
GORSHKOV, TB [1 ]
SHIKOV, AK [1 ]
机构
[1] ALL UNION INORGAN MAT RES INST, SHEBEKINO, USSR
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O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A decrease in the polarity of the dispersion medium in the sequence alcohol-chloroform-octane leads to a reduction in electrokinetic potential and to the aggregation of particles of yttrium and bismuth ceramics. A transition from aggregatively stable suspensions to unstable suspensions takes place in media with a permittivity lower than 17-18. It is shown that the aggregate stability of these suspensions has a substantial effect on the formation of electrophoretic coatings.
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页码:15 / 19
页数:5
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