材料科学
铝化钛
复合数
铝化物
金属间化合物
相(物质)
基质(化学分析)
化学工程
冶金
复合材料
化学
有机化学
合金
工程类
作者
Jian Zhu,Ji Gao,Fen Wang
出处
期刊:Key Engineering Materials
日期:2007-04-01
卷期号:336-338: 1397-1399
被引量:10
标识
DOI:10.4028/www.scientific.net/kem.336-338.1397
摘要
Titanium aluminide composite reinforced with submicron Al2O3 has been prepared by a reactive hot press method using TiO2, Al and Ti powder as source materials. The reaction synthesis processing is particularly investigated. Results show that the matrix of the as-prepared material is a mixture of TiAl and a small amount of Ti3Al. Fine Al2O3 particles that act as reinforcing phase are dispersed along the interface of the matrix. The reduction of TiO2 involves many transitional stages, including Ti-Al reaction, TiO2-Ti reducing reaction, reaction between TiO2 and Al, etc.
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