Abstract
The effects of varied weight fractions of multi-walled carbon nanotubes (MWCNTs) on the dry sliding wear characteristics of Ti6Al4 V were investigated in this study. Dry sliding wear tests were conducted at three applied load levels of 5, 15 and 25 N on spark plasma sintered unreinforced Ti6Al4V alloy and MWCNTs reinforced Ti6Al4V composites containing 1, 2 and 3 wt% MWCNTs respectively sintered at 1000 °C. The ball-on-flat test configuration with tungsten carbide (WC) as the counterface material was used during the tests. Wear scars and debris were characterized by scanning electron microscopy (SEM) and energy dispersive X-ray spectrometry (EDX) techniques. It was observed that the wear resistances and coefficients of friction for the composites were significantly improved over that of the unreinforced Ti6Al4V alloy. Worn surface analysis showed the prevalent wear mechanisms at low and high applied loads were adhesive and abrasive wears respectively. Wear debris analysis by EDX showed the presence of tungsten (W), which suggests a transfer layer of the counterface material. Wear resistance enhancement in the composites was directly related to the extent of MWCNTs dispersion within Ti6Al4V matrix, the interfacial bond strength between the matrix and the reinforcement, as well as the presence of hard TiC interfacial product.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
References
Williams, J.C., Starke, E.A.: Progress in structural materials for aerospace systems. Acta Mater. 51(19), 5775–5799 (2003)
Dong, A.H., Bell, T.: Enhanced wear resistance of titanium surfaces by a new thermal oxidation treatment. Wear 238(2), 131–137 (2000)
Met, A.C., Vandenbulcke, L., Catherine, M.S.: Friction and wear characteristics of various prosthetic materials sliding against smooth diamond-coated titanium alloy. Wear 255(7–12), 1022–1029 (2003)
Bakshi, A.S., Lahiri, D., Agarwal, A.: Carbon nanotube reinforced metal matrix composites-a review. Int. Mater. Rev. 55 (2010)
Wang, F.C., Zhang, Z.H., Sun, Y.J., Liu, Y., Hu, Z.Y., Wang, H., Korznikov, A.V., Korznikova, E., Liu, Z.F., Osamu, S.: Rapid and low temperature spark plasma sintering synthesis of novel carbon nanotube reinforced titanium matrix composites. Carbon 95, 396–407 (2015)
Feng, X., Sui, J., Cai, W., Liu, A.: Improving wear resistance of TiNi matrix composites reinforced by carbon nanotubes and in situ TiC. Scripta Mater. 64(9), 824–827 (2011)
Author information
Authors and Affiliations
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2019 Springer International Publishing AG, part of Springer Nature
About this paper
Cite this paper
Adegbenjo, A., Olubambi, P., Potgieter, J. (2019). Improving the Tribological Properties of Ti6Al4V Alloy with Multi-walled Carbon Nanotube Additions. In: Gdoutos, E. (eds) Proceedings of the First International Conference on Theoretical, Applied and Experimental Mechanics. ICTAEM 2018. Structural Integrity, vol 5. Springer, Cham. https://doi.org/10.1007/978-3-319-91989-8_10
Download citation
DOI: https://doi.org/10.1007/978-3-319-91989-8_10
Published:
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-91988-1
Online ISBN: 978-3-319-91989-8
eBook Packages: EngineeringEngineering (R0)