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Proceedings Paper

Tribological behavior of C-N coated spur gear by plasma source ion implantation
Author(s): Long Lu; Sungki Lyu; Huibo He; Sunghyun Cho; Sanghyun Lee
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Paper Abstract

The C-N coating can provide outstanding performance on the surface of spur gear. SCM415 specimens and test gears with steel surface were treated with carbon nitrogen by the plasma source ion implantation (PSII) method. The composition and structure of the surface layer were analyzed and compared with that of PVD coated TiN layer. It was found that both of friction coefficients of C-N coating decreased with the increase of load, however, C-N coating showed relatively lower friction coefficient than that of TiN coating. The effect of C-N coating was investigated on hardness, friction and wear. The TiN coated gear showed a more serious friction phenomenon than that of C-N coated gear. It was considered that coating of TiN, which was conducted at a vacuum chamber at about 500°C, resulted in a tempering of base material that caused microstructure change, which in turn resulted in decreasing of hardness, the C-N coated gear and pinion had higher wear resistance than that of TiN coated gear and pinion. C-N coating significantly improved the friction and wear resistance of gears.

Paper Details

Date Published: 2 May 2006
PDF: 5 pages
Proc. SPIE 6042, ICMIT 2005: Control Systems and Robotics, 60424H (2 May 2006); doi: 10.1117/12.664814
Show Author Affiliations
Long Lu, Huaihai Institute of Technology (China)
Sungki Lyu, Gyeongsang National Univ. (South Korea)
Huibo He, Gyeongsang National Univ. (South Korea)
Sunghyun Cho, Gyeongsang National Univ. (South Korea)
Sanghyun Lee, Gyeongsang National Univ. (South Korea)


Published in SPIE Proceedings Vol. 6042:
ICMIT 2005: Control Systems and Robotics

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