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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 9    No. 3    September 1999

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TiC-Fe cermets fabricated by SHS
Zhang Weifang(张卫方), He Xiaodong(赫晓东), Han Jiecai(韩杰才),Zhang Jianguang(张剑光), Du Shanyi(杜善义)

Center for Composite Material, Harbin Institute of Technology,Harbin 150001, P. R. China

Abstract:The dense TiC-Fe cermets were produced by self-propagating high temperature synthesis and pseudo-hot isostatic pressing(SHS/PHIP). The influence of Fe content on the combustion temperature, combustion velocity, density and microstructure of products was studied. The composition and microstructure of the product were analyzed. The results showed that the cermet consists of quasi-spherical TiC particles and Febinder phases. A thin diffusion layer was found between Fe binder phase and TiC particle. In the range of 10%~20% Fe content, the combustion temperature and velocity decrease more slowly than the other contributions.

 

Key words: SHS/PHIP; TiC-Fe cermet; microstructure; Fe-binder phase

ISSN 1672-7029
CN 43-1423/U

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