Combustion Synthesis of Ti-2B-Cu/Ni and 3Ti-2BN-Cu/Ni Bilayered Cermets

材料科学技术（英）, 2003, 19(4): 355-359.

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1.Lab. of Special Ceramics & P/M, University of Science and Technology Beijing, Beijing 100083, China

2.Lab. of Special Ceramics & P/M, University of Science and Technology Beijing, Beijing 100083, China

3.Lab. of Special Ceramics & P/M, University of Science and Technology Beijing, Beijing 100083, China

4.Institute of Structure Macrokinetics, Russian Academy of Sciences, Chernogolovka, 142 432, Russia

5.Institute of Structure Macrokinetics, Russian Academy of Sciences, Chernogolovka, 142 432, Russia

6.Institute of Structure Macrokinetics, Russian Academy of Sciences, Chernogolovka, 142 432, Russia

基金项目: Chinese-Russian joint research program(98-001) 国家自然科学基金(59672032 and 59811120918)

Combustion Synthesis of Ti-2B-Cu/Ni and 3Ti-2BN-Cu/Ni Bilayered Cermets

Keywords： Combustion synthesis

The effects of Cu and Ni (x=0, 10, 20 and 40 wt pct) and compaction pressures (12, 24, 84 and 108 MPa)on combustion wave velocity and wave front shape for Ti-2B-Cu/Ni and 3Ti-2BN-Cu/Ni bilayered cermets were investigated by a video camera. Since the boiling point of Cu is lower, the wave velocities of specimens are slower.Due to the higher specific heat of Ni than that of Cu, the wave velocities of specimens was slowed down a lot with increasing the Ni diluent. The wave velocity differences of the specimens containing Ni are more than that of the bilayered specimens containing Cu. Wave velocities of the specimens containing Ni increased more than that of the specimens containing Cu when higher pressure was employed for green mixture. The more the wave velocity difference of the bilayer, the more curved the specimen.

参考文献

[1]	Thermochemical Data of Pure Substances,Second Edition[M].I.Barin:Thermochemical Data of Pure Substances,Second Edition,Weinheim,Federal Republic of Germany,New York,VCH,1993

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Combustion Synthesis of Ti-2B-Cu/Ni and 3Ti-2BN-Cu/Ni Bilayered Cermets

参考文献