The effect of TiC:CNT mixing ratio and CNT content on the mechanical and tribological behaviors of TiC modified CNT-reinforced Al-matrix nanocomposites

被引：31

作者：

Saba, Farhad ^{[1
]}

Haddad-Sabzevar, Mohsen ^{[1
]}

Sajjadi, Seyed Abdolkarim ^{[1
]}

Zhang, Faming ^{[2
]}

机构：

[1] Ferdowsi Univ Mashhad, Fac Engn, Dept Mat Sci & Engn, Mashhad, Iran

[2] Southeast Univ, Sch Mat Sci & Engn, Jiangsu Key Lab Adv Metall Mat, Nanjing 211189, Jiangsu, Peoples R China

来源：

POWDER TECHNOLOGY | 2018年 / 331卷

关键词：

Metal-matrix composites (MMCs); Carbon nanotubes; Surface modification; Spark plasma sintering; Mechanical properties; Wear characteristics; WALLED CARBON NANOTUBES; FLAKE POWDER-METALLURGY; TITANIUM CARBIDE; ALUMINUM NANOCOMPOSITES; COMPOSITES; FABRICATION; DEPOSITION; ALLOY; MICROSTRUCTURE; FIBERS;

D O I：

10.1016/j.powtec.2018.03.023

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In this study, a novel method was developed for surface modification of CNTs through a pressureless spark plasma sintering. TiC:CNT mixing ratio was changed in the range of 1:2-5:2 to find the optimum ratio. Thereafter, by changing the amount of nanotubes in the optimal mixing ratio (4:2), the effect of modified-CNT content (0.5-5 wt%) on the mechanical and tribological properties was investigated. The composite sample containing 1.5 wt% modified-CNT, with the mixing ratio of 4:2, showed the greatest properties. The results showed that microhardness, nanohardness and Young's modulus of the sample have the highest values of 97.61 HV, 0.93 GPa and 100.48 GPa, respectively. In addition, mean friction coefficient of 0.22 and wear weight loss of 7.4 mg were obtained for the composite. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：107 / 120

页数：14

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