Fabrication and characterization of Al-matrix composites reinforced with amino-functionalized carbon nanotubes

被引：33
|
作者：
Singhal, S. K. [1 ]
Pasricha, Renu [1 ]
Teotia, Satish [2 ]
Kumar, Girish [3 ]
Mathur, R. B. [1 ]
机构：
[1] CSIR, Natl Phys Lab, New Delhi 110012, India
[2] Guru Jambeshwar Univ Sci & Technol, Hisar, Haryana, India
[3] Jamia Millia Islamia, New Delhi 110002, India
来源：
COMPOSITES SCIENCE AND TECHNOLOGY | 2011年 / 72卷 / 01期
关键词：
Metal-matrix composites (MMCs); Carbon nanotubes; Mechanical properties; Scanning/transmission electron microscopy (STEM); Sintering; MECHANICAL-PROPERTIES; ALUMINUM; NANOCOMPOSITES; DISPERSION; POWDERS;
D O I：
10.1016/j.compscitech.2011.10.007
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
We report the fabrication of Al-matrix composites reinforced with amino-functionalized carbon nanotubes (fCNTs) using powder metallurgy process. Functionalization of the nanotubes was carried out by ball milling multiwalled carbon nanotubes (MWCNTs) in the presence of ammonium bicarbonate. It has been found that the mechanical properties of Al-fCNT composites were much superior to the composites fabricated using non-functionalized or acid functionalized carbon nanotubes. The enhancement in mechanical properties in these composites are attributed mainly to the better and homogeneous dispersion of fCNT in Al matrix as compared to non-functionalized or acid functionalized carbon nanotubes and the formation of a strong interfacial bonding between fCNT and Al matrix leading to an efficient load transfer from Al matrix to fCNT following high-resolution transmission electron microscopy. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：103 / 111
页数：9
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