CHARACTERIZATION OF ALNI FORMED BY A SELF-SUSTAINING REACTION DURING MECHANICAL ALLOYING

被引：27
|
作者：
ATZMON, M
机构：
[1] Department of Nuclear Engineering, The University of Michigan, Ann Arbor
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1991年 / 134卷
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0921-5093(91)90983-T
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We report on electron-microscopic studies of AlNi powder formed by an explosive reaction during mechanical alloying. In situ thermal analysis enabled us to terminate the milling process immediately following the reaction, so that further mechanical damage to the reaction product was minimized. The surfaces of the resulting particles are smooth on a scale of tens of nanometers. We suggest that explosive reactions occur in individual grains during mechanical alloying even for seemingly gradual reactions, and that amorphous phase formation could involve such mechanism.
引用
收藏
页码：1326 / 1329
页数：4
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