Catalytic growth of carbon nanotubes on stainless steel: Characterization and frictional properties

被引：31

作者：

Abad, M. D. ^{[1
]}

Srichez-Lopez, J. C. ^{[1
]}

Berenguer-Murcia, A. ^{[2
]}

Golovko, V. B. ^{[2
,3
]}

Cantoro, M. ^{[4
]}

Wheatley, A. E. H. ^{[2
]}

Fernandez, A. ^{[1
]}

Johnson, B. F. G. ^{[2
]}

Robertson, J. ^{[4
]}

机构：

[1] Univ Seville, CSIC, Inst Ciencia Mat Sevilla, Seville 41092, Spain

[2] Univ Cambridge, Dept Chem, Cambridge CB2 1EW, England

[3] Univ Canterbury, Dept Chem, Christchurch 8140, New Zealand

[4] Univ Cambridge, Dept Engn, Cambridge CB2 1PZ, England

来源：

关键词：

Nanotubes; Nanoparticles; Plasma CVD; Friction; Tribology;

D O I：

10.1016/j.diamond.2008.03.021

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Carbon nanotubes (CNTs) have been grown both on a sample of stainless steel (317-2R) and on the same steel coated with cobalt colloid nanoparticles. Both materials are suitable supports for the growth of vertically aligned carbon nanotubes, although a more sparse growth of significantly thicker carbon nanotubes is observed in the case of the bare steel. We find that carbon nanotubes grown directly on the stainless steel support show very poor tribological behaviour whereas the support using nanoparticles for carbon nanotube growth displayed interesting tribological properties with friction coefficients of approximately 0.1-0.2. The modified CNT material (studied by Raman spectroscopy) adheres to both mating surfaces avoiding direct contact between asperities and plough so the friction and wear processes decrease greatly. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：1853 / 1857

页数：5

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