Influence of Fe/Ni/Al additive on the sintering behaviors of TiB2 cermets

Fe-Ni-Al mixtures as hot-pressing sintering additive to Titanium diboride (TiB 2 ) were studied. It is found that liquid alloy formed under high temperature hardly has effects on the densification behaviors of TiB 2 -independent. Fe-Ni-Al additive just works as filler between TiB 2 particles and doe...

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Bibliographic Details
Published in:Journal of Wuhan University of Technology. Materials science edition 2009-12, Vol.24 (6), p.879-882
Main Authors: Chen, Hua, Zhang, Jinyong, Fu, Zhengyi
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
High temperature
Materials Science
Sintering
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Summary:Fe-Ni-Al mixtures as hot-pressing sintering additive to Titanium diboride (TiB 2 ) were studied. It is found that liquid alloy formed under high temperature hardly has effects on the densification behaviors of TiB 2 -independent. Fe-Ni-Al additive just works as filler between TiB 2 particles and does not change the TiB 2 -independent sintering behaviors. Pressing mode has a great effect on the liquid flowing between TiB 2 particles. Multiple-steps pressing mode will give more time and space for the liquid flowing and improve the relative density of TiB 2 -Fe-Ni-Al cermet.
ISSN:1000-2413
1993-0437
DOI:10.1007/s11595-009-6879-2