Rare earth Ce-modified (Ti,Ce)/a-C:H carbon-based film on WC cemented carbide substrate
Rare earth Ce-modified (Ti,Ce)/a-C:H carbon-based film on WC cemented carbide substrate
WC cemented carbide suffers severe wear in water environments. A novel carbon-based film could be a feasible way to overcome this drawback. In this study, a rare earth Ce-modified (Ti,Ce)/a-C:H carbon-based film is successfully prepared on WC cemented carbide using a DC reactive magnetron sputtering process. The microstructure, mechanical properties, and tribological behavior of the as-prepared carbon-based film are systematically investigated. The results show that the doping Ti forms TiC nanocrystallites that are uniformly dispersed in the amorphous carbon matrix, whereas the doping Ce forms CeO2 that exists with the amorphous phase in the co-doped (Ti,Ce)/a-C:H carbon-based film. The mechanical properties of this (Ti,Ce)/a-C:H film exhibit remarkable improvements, which could suggest higher hardness and elastic modulus as well as better adhesive strength compared to solitary Ti-doped Ti/a-C:H film. In particular, the as-prepared (Ti,Ce)/a-C:H film presents a relatively low friction coefficient and wear rate in both ambient air and deionized water, indicating that (Ti,Ce)/a-C:H film could feasibly improve the tribological performance of WC cemented carbide in a water environment.
rare earth, (Ti,Ce)/a-C:H, cemented carbide, tribological
Zhou, Shengguo
02793824-a60e-481e-ae6e-55f2ab48e739
Liu, Zhengbing
bda7c16d-3be6-4cb5-8597-c04d580aad44
Wang, Shuncai
8a390e2d-6552-4c7c-a88f-25bf9d6986a6
2017
Zhou, Shengguo
02793824-a60e-481e-ae6e-55f2ab48e739
Liu, Zhengbing
bda7c16d-3be6-4cb5-8597-c04d580aad44
Wang, Shuncai
8a390e2d-6552-4c7c-a88f-25bf9d6986a6
Zhou, Shengguo, Liu, Zhengbing and Wang, Shuncai
(2017)
Rare earth Ce-modified (Ti,Ce)/a-C:H carbon-based film on WC cemented carbide substrate.
Chinese Physics B, 26 (1), [018101].
(doi:10.1088/1674-1056/26/1/018101).
Abstract
WC cemented carbide suffers severe wear in water environments. A novel carbon-based film could be a feasible way to overcome this drawback. In this study, a rare earth Ce-modified (Ti,Ce)/a-C:H carbon-based film is successfully prepared on WC cemented carbide using a DC reactive magnetron sputtering process. The microstructure, mechanical properties, and tribological behavior of the as-prepared carbon-based film are systematically investigated. The results show that the doping Ti forms TiC nanocrystallites that are uniformly dispersed in the amorphous carbon matrix, whereas the doping Ce forms CeO2 that exists with the amorphous phase in the co-doped (Ti,Ce)/a-C:H carbon-based film. The mechanical properties of this (Ti,Ce)/a-C:H film exhibit remarkable improvements, which could suggest higher hardness and elastic modulus as well as better adhesive strength compared to solitary Ti-doped Ti/a-C:H film. In particular, the as-prepared (Ti,Ce)/a-C:H film presents a relatively low friction coefficient and wear rate in both ambient air and deionized water, indicating that (Ti,Ce)/a-C:H film could feasibly improve the tribological performance of WC cemented carbide in a water environment.
Text
Zhou_2017_Chinese_Phys._B_26_018101
More information
Accepted/In Press date: 6 October 2016
e-pub ahead of print date: 10 December 2016
Published date: 2017
Additional Information:
Associated grants are: Royal Society International Exchanges Scheme (IE151191), and the EPSRC Global Challenge Research Fund
Keywords:
rare earth, (Ti,Ce)/a-C:H, cemented carbide, tribological
Identifiers
Local EPrints ID: 413791
URI: http://eprints.soton.ac.uk/id/eprint/413791
ISSN: 1674-1056
PURE UUID: a81ccc18-5cb4-46a7-94d6-a069e564d8c5
Catalogue record
Date deposited: 06 Sep 2017 16:31
Last modified: 15 Mar 2024 15:53
Export record
Altmetrics
Contributors
Author:
Shengguo Zhou
Author:
Zhengbing Liu
Download statistics
Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.
View more statistics