Synthesis of Al2O3-WC composite powder by SHS process

被引：0

作者：

J. Zhang

J. H. Lee

C. W. Won

S. S. Cho

B. S. Chun

机构：

[1] Chungnam National University,Rapidly Solidified Materials Research Center (RASOM)

来源：

Journal of Materials Science | 1999年 / 34卷

关键词：

Polymer; Aluminum; Particle Size; Al2O3; Carbon Source;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Al2O3-WC composite powder was synthesized by self-propagating high-temperature synthesis using Al powder as a reducing agent. WC, W2C and Al2O3 were concurrently formed in WO3-Al-C system. It was found that the complete reaction was achieved with excessive addition of carbon and appropriate processing parameters such as degree of dilution, particle size of aluminum, pellet compaction pressure and carbon source. The final product which was leached by 50% 1 : 4 HNO3 + HF diluted solution was consisted of Al2O3-55wt%WC having 2–3 μm of mean particle size.

引用

页码：5211 / 5214

页数：3

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