Preparation and properties of titanium diboride ceramic matrix reinforced by carbon nanotubes

被引：0

作者：

Zhang Xing-Hong ^{[1
]}

Hong Chang-Qing ^{[1
]}

Han Jie-Cai ^{[1
]}

Zhang He-Xin ^{[1
]}

Meng Song-He ^{[1
]}

Qu Wei ^{[1
]}

机构：

[1] Harbin Inst Technol, Ctr Composite Mat & Struct, Harbin 150001, Peoples R China

来源：

JOURNAL OF INORGANIC MATERIALS | 2006年 / 21卷 / 04期

关键词：

carbon nanotube; TiB2 ceramic matrix composite; mechanical properties; microstructure;

D O I：

暂无

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

TiB2-xwt%CNTs-5wt%Ni (x=0.1, 0.3, 0.5, 1, 4) composites reinforced by carbon nanotube were fabricated by hot-pressing sintering and the prepared conditions, mechanical properties and microstructure were also investigated. XRD and SEM were used to analyze the phase and fracture surface. The results show that the hardness, bending strength and fracture toughness of the composite reinforced by carbon nanotube are increased distinctly. When the carbon nanotube content is 0.5wt%, the bending strength attains 496MPa; moreover the value of hardness and fracture toughness reaches 20.5GPa and 7.25MPa.m(1/2) respectively. The analysis of fracture photograph reveals that the carbon nanotube mainly distributes at the TiB2 grain boundary. The main toughing mechanisms of the TiB2-CNTs-Ni composite are CNTs pulled-out and CNTs bridging.

引用

页码：899 / 905

页数：7

共 15 条

[1] Nanotube composite carbon fibers
Andrews, R
Jacques, D
Rao, AM
Rantell, T
Derbyshire, F
Chen, Y
Chen, J
Haddon, RC
[J]. APPLIED PHYSICS LETTERS, 1999, 75 (09) : 1329 - 1331
[2] An investigation of the sliding wear behavior of Cu-matrix composite reinforced by carbon nanotubes
Dong, SR
Tu, JP
Zhang, XB
[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2001, 313 (1-2): : 83 - 87
[3] Carbon nanotube-metal-oxide nanocomposites:: Microstructure, electrical conductivity and mechanical properties
Flahaut, E
Peigney, A
Laurent, C
Marlière, C
Chastel, F
Rousset, A
[J]. ACTA MATERIALIA, 2000, 48 (14) : 3803 - 3812
[4] Surfactant-assisted processing of carbon nanotube/polymer composites
Gong, XY
Liu, J
Baskaran, S
Voise, RD
Young, JS
[J]. CHEMISTRY OF MATERIALS, 2000, 12 (04) : 1049 - 1052
[5] HELICAL MICROTUBULES OF GRAPHITIC CARBON
IIJIMA, S
[J]. NATURE, 1991, 354 (6348) : 56 - 58
[6] Lau KT, 2002, COMPOS PART B-ENG, V33, P263
[7] Carbon nanotubes Fe alumina nanocomposites. Part II: Microstructure and mechanical properties of the hot-pressed composites
Laurent, C
Peigney, A
Dumortier, O
Rousset, A
[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 1998, 18 (14) : 2005 - 2013
[8] Processing and properties of carbon nanotubes-nano-SiC ceramic
Ma, RZ
Wu, J
Wei, BQ
Liang, J
Wu, DH
[J]. JOURNAL OF MATERIALS SCIENCE, 1998, 33 (21) : 5243 - 5246
[9] Surfactants assisted processing of carbon nanotube-reinforced SiO2 matrix composites
Ning, JW
Zhang, JJ
Pan, YB
Guo, JK
[J]. CERAMICS INTERNATIONAL, 2004, 30 (01) : 63 - 67
[10] Peigney A., 1997, Key Engineering Materials, V132-136, P743

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