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自由弧熔融氢方法制备MLC用纳米金属镍粉
引用本文:蒋渝,赖庆贵,杨彦明,管登高,陈家钊,涂铭旌.自由弧熔融氢方法制备MLC用纳米金属镍粉[J].电子元件与材料,2003,22(12):13-15.
作者姓名:蒋渝  赖庆贵  杨彦明  管登高  陈家钊  涂铭旌
作者单位:1. 四川大学材料学院金属材料系,四川,成都,610065
2. 成都宏明电子股份有限公司,四川,成都,610058
摘    要:自由弧熔融氢等离子射流方法制备MLC用金属纳米镍粉,平均粒径36.6 nm,粒度呈近似正态分布,94%集中于10~60 nm范围内;分析了制粉空间平均温度及等离子弧柱的轴心线温度,计算过冷温度梯度,指出在弱电离自由弧和强制风冷的情况下仍然可以得到超细纳米金属粉末。

关 键 词:自由弧  金属纳米粉末  制备技术
文章编号:1001-2028(2003)12-0013-03

Preparation of Nano Nickel Powder for MLCs by Non-confined Arc with Fusible Hydrogen
JIANG Yu,LAI Qing-gui,YANG Yan-ming,GUAN Deng-gao,CHEN Jia-zhao,TU Ming-jing.Preparation of Nano Nickel Powder for MLCs by Non-confined Arc with Fusible Hydrogen[J].Electronic Components & Materials,2003,22(12):13-15.
Authors:JIANG Yu  LAI Qing-gui  YANG Yan-ming  GUAN Deng-gao  CHEN Jia-zhao  TU Ming-jing
Institution:JIANG Yu1,LAI Qing-gui2,YANG Yan-ming1,GUAN Deng-gao1,CHEN Jia-zhao1,TU Ming-jing1
Abstract:Nano nickel powder is prepared by plasma non-confined arc with fusible hydrogen. Its average diameter is 36.6 nanometer. The granularity presents normal distribution and the particles between 10 and 60 nanometer accounts to 94%. The temperature of preparing room and of iron arc were studied, and the overcooling temperature gradient was calculated. Even in the condition of weak arc and strong cooling air, nano powder can be obtained.
Keywords:non-confined arc  nano metal powder  preparation technique
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