Microstructure and dry sliding wear behavior of Cu-Sn alloy reinforced with multiwalled carbon nanotubes

被引：38

作者：

Mallikarjuna, H. M. ^{[1
,2
]}

Kashyap, K. T. ^{[3
]}

Koppad, P. G. ^{[4
]}

Ramesh, C. S. ^{[5
]}

Keshavamurthy, R. ^{[6
]}

机构：

[1] PES Inst Technol, ACRC, Bangalore 560085, Karnataka, India

[2] GEC, Dept Mech Engn, KR Pet 571426, Karnataka, India

[3] Atria Inst Technol, Dept Mech Engn, Bangalore 560024, Karnataka, India

[4] Rapsri Engn Prod Co Ltd, Res & Dev, Harohalli 562112, India

[5] Alliance Univ, Alliance Coll Engn & Design, Dept Mech Engn, Bangalore 562106, Karnataka, India

[6] Dayananda Sagar Coll Engn, Dept Mech Engn, Bangalore 560078, Karnataka, India

来源：

TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2016年 / 26卷 / 07期

关键词：

Cu-Sn alloy; carbon nanotube; nanocomposites; powder metallurgy; microstructure; sliding wear; MATRIX NANOCOMPOSITES; MECHANICAL-PROPERTIES; COMPOSITE COATINGS; COPPER; FRICTION; CONDUCTIVITY; GRAPHITE; STRENGTH; POWDER;

D O I：

10.1016/S1003-6326(16)64269-3

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Multiwalled carbon nanotubes (MWCNTs) reinforced Cu-Sn alloy based nanocomposite was developed by powder metallurgy route. The mass fraction of CNTs was varied from 0 to 2% in a step of 0.5%. The developed nanocomposites were subjected to density, hardness, electrical conductivity, and friction and wear tests. The results reveal that the density of nanocomposite decreases with the increase of the mass fraction of CNTs. A significant improvement in the hardness is noticed in the nanocomposite with the addition of CNTs. The developed nanocomposites show low coefficient of friction and improved wear resistance when compared with unreinforced alloy. At an applied load of 5 N, the coefficient of friction and wear loss of 2% CNTs reinforced Cu-Sn alloy nanocomposite decrease by 72% and 68%, respectively, compared with those of Cu-Sn alloy. The wear mechanisms of worn surfaces of the composites are reported. In addition, the electrical conductivity reduces with the increase of the content of CNTs.

引用

页码：1755 / 1764

页数：10

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