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

页码：129 / 136

页数：8

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