Preparation of Ni/Al2O3 nanocomposite powder by high-energy ball milling and subsequent heat treatment

被引：42

作者：

Li, JL ^{[1
]}

Li, F ^{[1
]}

Hu, K ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Inst Composite Mat, State Key Lab Mat Composites, Shanghai 200030, Peoples R China

来源：

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2004年 / 147卷 / 02期

关键词：

Ni; Al; Al2O3; composite powder; high-energy ball milling; heat treatment;

D O I：

10.1016/j.jmatprotec.2003.12.022

中图分类号：

T [工业技术];

学科分类号：

08 [工学];

摘要：

The preparation of Ni/Al2O3 nanocomposite powder by high-energy ball milling and subsequent heat treatment was investigated. X-ray diffraction and transmission electron microscopy were employed to monitor the phase development. Elemental Al and NiO reacted at ambient temperature during milling process and resulted in the formation of nanosized Ni particles within 10 h of milling. After annealing at 1400 degreesC for 1 h, the powder mixture milled for 15 h consisted of Al2O3 and nanosized Ni particles. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：236 / 240

页数：5

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