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Comparison of tribological properties of CrN, TiCN and TiAlN coatings sliding against SiC balls in water

Comparison of tribological properties of CrN, TiCN and TiAlN coatings sliding against SiC balls in water
Comparison of tribological properties of CrN, TiCN and TiAlN coatings sliding against SiC balls in water
CrN, TiCN and TiAlN coatings were deposited on WC cemented carbide disks using enhanced cathodic arc magnetron sputtering and their topographies and structures were observed and analyzed using scanning electron microscopy (SEM) and X-ray diffraction (XRD), respectively. The friction and wear properties of CrN, TiCN and TiAlN coatings sliding against SiC balls in water were investigated and compared synthetically using ball-on-disk tribometer. The results showed that the CrN/SiC tribopairs showed the lowest friction coefficient of 0.076, while the TiCN/SiC tribopairs displayed the highest friction coefficient of 0.264. For the CrN/SiC tribopairs the specific wear rate of CrN coatings was lowest while that of SiC balls became highest. But for the TiAlN(TiCN)/SiC tribopairs, the specific wear rate of TiAlN coatings was highest while that of SiC balls for the TiCN/SiC tribopairs became lowest. This indicated that the friction and wear behaviors of nitride coatings/SiC balls tribo-systems in water were more strongly influenced by the anti-oxidative ability of tribomaterials in water than by their mechanical properties.
friction, wear, water lubrication, CrN, TiCN, TiAlN
0169-4332
7813-7820
Wang, Qianzhi
696b2954-9bbe-4e19-a9d2-22435e55d9b4
Zhou, Fei
aaf54725-aefa-4df9-a69c-07b3f60060fc
Wang, Xiaonan
fcae940d-4255-443a-87d5-ba7f765f48bb
Chen, Kangmin
ac0429e2-ab9b-41fe-a8c3-2bc53a6cfc6a
Wang, Meiling
0233c0e2-a9c8-460c-b8ed-e239e9929ba5
Qian, Tao
d3d7703e-676f-49d0-9690-c0cabe9d3c72
Li, Yanxia
2a870513-efc4-4a2d-b048-0bd6597beee7
Wang, Qianzhi
696b2954-9bbe-4e19-a9d2-22435e55d9b4
Zhou, Fei
aaf54725-aefa-4df9-a69c-07b3f60060fc
Wang, Xiaonan
fcae940d-4255-443a-87d5-ba7f765f48bb
Chen, Kangmin
ac0429e2-ab9b-41fe-a8c3-2bc53a6cfc6a
Wang, Meiling
0233c0e2-a9c8-460c-b8ed-e239e9929ba5
Qian, Tao
d3d7703e-676f-49d0-9690-c0cabe9d3c72
Li, Yanxia
2a870513-efc4-4a2d-b048-0bd6597beee7

Wang, Qianzhi, Zhou, Fei, Wang, Xiaonan, Chen, Kangmin, Wang, Meiling, Qian, Tao and Li, Yanxia (2011) Comparison of tribological properties of CrN, TiCN and TiAlN coatings sliding against SiC balls in water. Applied Surface Science, 257 (17), 7813-7820. (doi:10.1016/j.apsusc.2011.04.035).

Record type: Article

Abstract

CrN, TiCN and TiAlN coatings were deposited on WC cemented carbide disks using enhanced cathodic arc magnetron sputtering and their topographies and structures were observed and analyzed using scanning electron microscopy (SEM) and X-ray diffraction (XRD), respectively. The friction and wear properties of CrN, TiCN and TiAlN coatings sliding against SiC balls in water were investigated and compared synthetically using ball-on-disk tribometer. The results showed that the CrN/SiC tribopairs showed the lowest friction coefficient of 0.076, while the TiCN/SiC tribopairs displayed the highest friction coefficient of 0.264. For the CrN/SiC tribopairs the specific wear rate of CrN coatings was lowest while that of SiC balls became highest. But for the TiAlN(TiCN)/SiC tribopairs, the specific wear rate of TiAlN coatings was highest while that of SiC balls for the TiCN/SiC tribopairs became lowest. This indicated that the friction and wear behaviors of nitride coatings/SiC balls tribo-systems in water were more strongly influenced by the anti-oxidative ability of tribomaterials in water than by their mechanical properties.

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More information

Accepted/In Press date: 5 April 2011
e-pub ahead of print date: 13 April 2011
Published date: 15 June 2011
Keywords: friction, wear, water lubrication, CrN, TiCN, TiAlN
Organisations: nCATS Group

Identifiers

Local EPrints ID: 377173
URI: http://eprints.soton.ac.uk/id/eprint/377173
ISSN: 0169-4332
PURE UUID: d281177b-c1aa-48cc-b0fa-c1559961481b

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Date deposited: 01 Jun 2015 14:23
Last modified: 14 Mar 2024 19:57

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Contributors

Author: Qianzhi Wang
Author: Fei Zhou
Author: Xiaonan Wang
Author: Kangmin Chen
Author: Meiling Wang
Author: Tao Qian
Author: Yanxia Li

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