Variation in the particle size of FE-TI-B4C powders induced by high-voltage electrical discharge

被引：9
|
作者：
Sizonenko, O. N. [1 ]
Baglyuk, G. A. [2 ]
Raichenko, A. I. [2 ]
Taftai, E. I. [1 ]
Lipyan, E. V. [1 ]
Zaichenko, A. D. [1 ]
Torpakov, A. S. [1 ]
Guseva, E. V. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Inst Pulse Proc & Technol, Nikolayev, Ukraine
[2] Natl Acad Sci Ukraine, Frantsevich Inst Problems Mat Sci, Kiev, Ukraine
来源：
POWDER METALLURGY AND METAL CERAMICS | 2012年 / 51卷 / 3-4期
关键词：
high-voltage electrical discharge; pressure in the discharge channel; integral energy; powder; refinement; particle size; specific surface area; HIGH-PRESSURES;
D O I：
10.1007/s11106-012-9407-4
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The effect of high-voltage electrical discharge (ED) on the particle size of Fe-Ti-B4C powders in a hydrocarbon liquid is studied. It is shown that high-voltage ED allows significant refinement of the powders. The important factors are integral processing energy and pressure in the discharge channel. A relationship between the integral processing energy and decrease in the average diameter of micropowder particles is found. It is shown that the average particle size monotonically decreases up to a certain value of integral processing energy. The use of high-voltage ED for the refinement of micropowders permits significant reduction in time and energy needed to reach the desired particle size compared with other methods.
引用
收藏
页码：129 / 136
页数：8
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