Effect of Mo2C content on the microstructure and mechanical properties of TiC/TiB2 base cermets

被引：0
|
作者：
Koike, Wataru [1 ]
Seo, Tomoki [2 ]
Imai, Yuya [2 ]
Fujima, Takuya [2 ]
Takagi, Ken-Ichi [2 ]
机构：
[1] Graduate School of Mechanical Engineering, Tokyo City University, 1-28-1 Tamazutsumi, Setagaya-ku, Tokyo 158-8557, Japan
[2] Department of Mechanical Engineering, Tokyo City University, 1-28-1 Tamazutsumi, Setagaya-ku, Tokyo 158-8557, Japan
来源：
Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy | 2010年 / 57卷 / 08期
关键词：
Intermetallics - Microstructure - Cermets - Molybdenum compounds;
D O I：
10.2497/jjspm.57.574
中图分类号：
学科分类号：
摘要：
Effect of Mo2C content on the microstructure and mechanical properties of TiC/TiB2 base cermets was studied by using model cermets with the compositions of TiC/TiB2-(11-17)Mo2C-24Ni (mass%). TiC/TiB2 ratio is set to molar ratio of 57/43 that is quasi-eutectic composition. As a result, maximum transverse rupture strength of 680 MPa was obtained for 13mass%Mo2C content sintered at 1693 K. These cermets achieved remarkable microstructural refinement and still maintained characteristic core-rim structure of the TiC base cermets. These cermets have strong possibility to be an alternative material to cemented carbides by tailoring the composition and elimination of large defects.
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页码：574 / 578
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