SYNTHESIS OF NANOCRYSTALLINE ALUMINA METAL COMPOSITES BY ROOM-TEMPERATURE BALL-MILLING OF METAL-OXIDES AND ALUMINUM

被引：127

作者：

MATTEAZZI, P ^{[1
]}

LECAER, G ^{[1
]}

机构：

[1] ECOLE MINES,CNRS,SCI & GENIE MAT MET LAB,URA 159,F-54042 NANCY,FRANCE

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1992年 / 75卷 / 10期

关键词：

D O I：

10.1111/j.1151-2916.1992.tb05499.x

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 synthesis of nanometer-sized alpha-Al2O3-M composites (nanocomposites) is described for M = Fe, V, Cr, Mn, Co, Ni, Co, Zn, Nb, Mo, W, Si, and Fe alloys. The synthesis is performed by solid-state reduction reaction which occurs during room-temperature ball-milling of mixtures of a metal oxide (M(x)O(y)) and aluminum (Al2y/3). A complete reduction is reached for milling times of congruent-to 1.5 h in a planetary mill. The crystallite sizes of alumina and metal obtained, for powders processed in a vibratory mill, are in general about 10 nm.

引用

页码：2749 / 2755

页数：7

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