Synthesis and characterization of novel Ti3SiC2-cBN composites

被引:19
|
作者
Li, Zhengyang [1 ]
Zhou, Aiguo [1 ]
Li, Liang [1 ]
Wang, Libo [1 ]
Hu, Meihua [1 ]
Li, Shangsheng [1 ]
Gupta, Surojit [2 ]
机构
[1] Henan Polytech Univ, Cultivating Base Key Lab Environm Friendly Inorga, Univ Henan Prov, Sch Mat Sci & Engn, Jiaozuo 454000, Henan, Peoples R China
[2] Univ N Dakota, Dept Mech Engn, Grand Forks, ND 58201 USA
关键词
Ti3SiC2; Cubic boron nitride; Composites; High pressure high temperature; HIGH-PRESSURE; TOOL WEAR; PHASE; BN;
D O I
10.1016/j.diamond.2014.01.008
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this paper, synthesis of novel super hard and high performance composites of titanium silicon carbide-cubic boron nitride (Ti3SiC2-cBN) was evaluated at three different conditions: (a) high pressure synthesis at similar to 4.5 GPa, (b) hot pressing at similar to 35 MPa, and (c) sintering under ambient pressure (0.1 MPa) in a tube furnace. From the analysis of experimental results, the authors report that the novel Ti3SiC2-cBN composites can be successfully fabricated at 1050 degrees C under a pressure of similar to 4.5 GPa from the mixture of Ti3SiC2 powders and cBN powders. The subsequent analysis of the microstructure and hardness studies indicates that these composites are promising candidates for super hard materials. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码:29 / 33
页数:5
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