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Licensed Unlicensed Requires Authentication Published by De Gruyter November 21, 2017

Friction and wear properties of nano-carbon reinforced Cu/Ti3SiC2/C nanocomposites

Reibungs- und Verschleißeigenschaften von nano-carbonverstärkten Cu/Ti3SiC2/C Nanokompositen
Wei Li, Xiaosong Jiang, Jun Gao, Yiming Li, Haixin Wang and Degui Zhu
From the journal Materials Testing


In this paper, friction and wear properties of nano-carbon reinforced Cu/Ti3SiC2/C nanocomposites are evaluated by orthogonal experiment method. The primary and secondary order of factors affecting wear characteristics of the nanocomposites and the best working conditions of specimens are obtained by means of range analysis and variance analysis. Results demonstrate that change of graphene nanoplatelets (GNPs) content has a very small effect on friction and wear properties of the nanocomposites under the premise of total content of GNPs and multi-walled carbon nanotubes (MWCNTs) is 1 wt.-%. Under these experimental conditions, the optimal level is that content is GNPs 0.8 wt.-% and MWCNTs 0.2 wt.-%, load is 350 N and rotational speed is 50 r × min−1. Microscopic analysis shows that the additions of graphene nanoplatelets and multi-walled carbon nanotubes help to improve wear resistance of the nanocomposites. Main wear mechanisms of the nanocomposites are abrasive wear, delamination wear and oxidation wear.


In der diesem Beitrag zugrunde liegenden Studie wurden die Reibungs- und Verschleißeigenschaften von nano-carbonverstärkten Cu/Ti3SiC2/C Nanokompositen mittels dem othogonalen experimentellen Verfahrens evaluiert. Die erste und zweite Ordnung der Faktoren, die die Verscheißeigenschaften der Nanokomposite beeinflussen, und die besten Bearbeitungsbedingungen der Proben wurden unter Einsatz der Bereichsanalyse und der Varianzanalyse ermittelt. Die Ergebnisse zeigen, dass die Veränderung des Gehaltes an Graphen-Nanoplättchen (Graphene Nanoplatelets (GNPs)) einen sehr kleinen Effekt auf die Reibungs- und Verschleißeigenschaften der Nanokomposite hat, unter der Prämisse, dass der Gesamtgehalt der GNPs und der mehrwandigen Carbon-Nanoröhrchen (Multi-Walled Carbon Nanotubes (MWCNTs)) unter 1 wt.-% beträgt. Unter diesen experimentellen Bedingungen ist der optimale Gehalt 0.8 wt.-% GNPs und 0.2 wt.-% MWCNT, wenn die Last 350 N und die Rotationsgeschwindigkeit 50 r × min−1 betragen. Die mikroskopische Analyse zeigte, dass die Zugabe von Graphen-Nanoplättchen und mehrwandigen Carbon-Nanoröhrchen dazu beitragen, den Verschleißwiderstand der Nanokomposite zu erhöhen, wobei die Hauptverschleißmechanismen abrasiver Verschleiß, Delaminationsverschleiß und Oxidationsverschleiß sind.

*Correspondence Address, Assoc. Prof. Dr. Xiaosong Jiang, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, P. R. China, E-mail: ,

Wei Li, born in 1996, is an undergraduate student majoring in Materials Science and Engineering at Southwest Jiaotong University, Chengdu, China and doing research on friction and wear.

Dr. Xiaosong Jiang, born in 1979, graduated with a Bachelor's degree in Powder Metallurgy from Central South University, Changsha, China in 2002. He completed his Master of Science in Materials Physics and Chemistry at Southwest Jiaotong University, Chengdu, China in 2007. Then, in 2011, he completed his PhD degree at Tongji University, Shanghai, China. His main research fields are powder metallurgy, welding and material tribology.

Jun Gao, born in 1995, graduated in Materials Science and Engineering at Southwest Jiaotong University, Chengdu, China in 2016. He is a Master of Science student in Materials Science and Engineering at the institute of Metal Research Chinese Academy of Sciences and doing research on fatigue and wear resistance.

Yiming Li, born in 1996, is an undergraduate student majoring in Materials Science and Engineering at Southwest Jiaotong University, Chengdu, China and doing research on friction and wear.

Haixin Wang, born in 1996, is an undergraduate student majoring in Materials Science and Engineering at Southwest Jiaotong University, Chengdu, China and doing research on friction and wear.

Dr. Degui Zhu, born in 1965, graduated with a Bachelor, Master and PhD Degree in Materials Science and Engineering from Southwest Jiaotong University, Chengdu, China in 1986,1989 and 2013, respectively. He is Associate Professor at Southwest Jiaotong University, Chengdu, China. His main research fields are powder metallurgy, welding, ceramics, and fatigue.


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Published Online: 2017-11-21
Published in Print: 2017-11-15

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