Wall-friction characteristics of differently shaped particles

被引：2

作者：

Otani, M

Minoshima, H

Hino, W

Shinohara, K

机构：

[1] Hokkaido Ind Res Inst, Dept Resources & Energy, Kita Ku, Sapporo, Hokkaido 060, Japan

[2] Hokkaido Univ, Grad Sch Engn, Div Engn & Mat Sci, Kita Ku, Sapporo, Hokkaido 060, Japan

来源：

JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 1997年 / 105卷 / 12期

关键词：

consolidation; powder bed; particle shape; pressure; voidage;

D O I：

10.2109/jcersj.105.1099

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：

Uneven packing structure of consolidated powder bed due to particle shape was experimentally investigated, Angular stainless steel particles were processed in several steps toward sphericity by means of Hybridizer and consolidated under a piston press. The vertical pressure distribution was measured and correlated with the voidage for different shaped particles, As a result, it was found that the ratio of horizontal to vertical pressure, k, decreases with increasing overall voidage and sphericity. Thus, for preparation of powder compacts with low voidage and uniformly distributed voids, it is effective to make particles spherical or adjust the particle shape as required.

引用

页码：1099 / 1102

页数：4