Fabrication of well-dispersed, multiwall carbon nanotube-reinforced aluminum matrix composites

被引：14

作者：

Javadi, A. H. ^{[1
]}

Mirdamadi, Sh ^{[1
]}

Faghihisani, M. A. ^{[1
]}

Shakhesi, S. ^{[2
]}

Soltani, R. ^{[2
]}

机构：

[1] IAU, Sci & Res Branch, Dept Mat Engn, Tehran, Iran

[2] Engn Res Inst, Tehran, Iran

来源：

NEW CARBON MATERIALS | 2012年 / 27卷 / 03期

关键词：

Multiwalled carbon nanotube; Metal matrix composite; Ball milling; MECHANICAL-PROPERTIES;

D O I：

10.1016/S1872-5805(12)60010-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Mechanical alloying was used to disperse multiwall carbon nanotubes (MWCNTs) in an aluminum (Al) matrix. Mixtures consisting of 99% pure Al powder and a mass fraction of 2% MWCNTs were sonicated. Then, horizontal ball milling was used to generate mechanical bonding between the Al particles and the MWCNTs. The structure observed by a field-emission scanning electron microscope revealed an attachment of MWCNTs to the surface of the Al-flakes. FESEM results showed that particle size and morphology varied with milling time. Finally, the composite powders were processed into bulk material by compaction and sintering. The macro-hardness confirmed the improvement in the mechanical properties due to the addition of MWCNTs to the Al matrix.

引用

收藏

页码：161 / 165

页数：5

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