Recycling high density tungsten alloy powder by oxidization-reduction process

被引：0

作者：

Zhang, Zhao-Sen ^{[1
]}

Chen, Li-Bao ^{[1
]}

He, Yue-Hui ^{[1
]}

Huang, Bai-Yun ^{[1
]}

机构：

[1] Lab. for Powder Metall., Central South Univ., Changsha 410083, China

来源：

Transactions of Nonferrous Metals Society of China (English Edition) | 2002年 / 12卷 / 03期

关键词：

Hydrogenation - Oxidation - Particle size analysis - Recycling - Reduction - Surface topography;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The processes of directly recycling high density tungsten alloy by oxidation-reduction technique were investigated. The particle size of recycled powder is fine, and the shape of powder particle is regular when the final reduction temperature is 850°C, at which the average size of the tungsten alloy particles reduced is about 1.5 μm. The average size of the alloy particles increase to 6 μm and 9 μm when increasing the reduction temperature to 900°C and 950°C, respectively. However, if the reduction temperature is higher than 900°C, the surface feature of powder is from 0.2314% to 0.1700%, and powder particles grow slightly. It was found that the chemical composition of the recycled alloy powder is the same as the initial powder.

引用

页码：450 / 453

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