Frictional behavior of atmospheric plasma jet deposited carbon-ZnO composite coatings

Oleksiy V. Penkov; Doo Hee Lee; Haejin Kim; Dae Eun Kim

doi:10.1016/j.compscitech.2013.01.005

Frictional behavior of atmospheric plasma jet deposited carbon-ZnO composite coatings

Oleksiy V. Penkov, Doo Hee Lee, Haejin Kim, Dae Eun Kim

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

The tribological behavior of carbon-zinc oxide composite coatings (CZnO) grown on silicon substrates using an atmospheric pressure plasma jet method was evaluated by using a reciprocating pin-on-disk tribo-tester. The substrates were slid against a stainless steel ball with a diameter of 1mm under a normal load of 20mN. The corresponding Hertzian contact pressure was 250MPa. The results showed that the frictional behavior and the wear resistance of the ZnO coating could be significantly improved with the addition of carbon. The improvements were attributed to higher hardness and Young's modulus of the CZnO coating compared to those of the ZnO coating as well as to production of a smooth carbon-rich layer on the wear track. The concentration of carbon and the amount of sp³ bonds in the carbon phase varied with deposition temperature and affected the frictional behavior. The lowest friction coefficient of 0.16 was achieved at deposition temperature of 250°C.

Original language	English
Pages (from-to)	60-66
Number of pages	7
Journal	Composites Science and Technology
Volume	77
DOIs	https://doi.org/10.1016/j.compscitech.2013.01.005
Publication status	Published - 2013 Mar 2

Bibliographical note

Funding Information:
This work was supported by a National Research Foundation of Korea (NRF) Grant funded by the Korean government (MEST) ( No. 2012-0001232 ).

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Engineering(all)

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10.1016/j.compscitech.2013.01.005

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title = "Frictional behavior of atmospheric plasma jet deposited carbon-ZnO composite coatings",

abstract = "The tribological behavior of carbon-zinc oxide composite coatings (CZnO) grown on silicon substrates using an atmospheric pressure plasma jet method was evaluated by using a reciprocating pin-on-disk tribo-tester. The substrates were slid against a stainless steel ball with a diameter of 1mm under a normal load of 20mN. The corresponding Hertzian contact pressure was 250MPa. The results showed that the frictional behavior and the wear resistance of the ZnO coating could be significantly improved with the addition of carbon. The improvements were attributed to higher hardness and Young's modulus of the CZnO coating compared to those of the ZnO coating as well as to production of a smooth carbon-rich layer on the wear track. The concentration of carbon and the amount of sp3 bonds in the carbon phase varied with deposition temperature and affected the frictional behavior. The lowest friction coefficient of 0.16 was achieved at deposition temperature of 250°C.",

author = "Penkov, {Oleksiy V.} and Lee, {Doo Hee} and Haejin Kim and Kim, {Dae Eun}",

note = "Funding Information: This work was supported by a National Research Foundation of Korea (NRF) Grant funded by the Korean government (MEST) ( No. 2012-0001232 ).",

year = "2013",

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doi = "10.1016/j.compscitech.2013.01.005",

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T1 - Frictional behavior of atmospheric plasma jet deposited carbon-ZnO composite coatings

AU - Penkov, Oleksiy V.

AU - Lee, Doo Hee

AU - Kim, Haejin

AU - Kim, Dae Eun

N1 - Funding Information: This work was supported by a National Research Foundation of Korea (NRF) Grant funded by the Korean government (MEST) ( No. 2012-0001232 ).

PY - 2013/3/2

Y1 - 2013/3/2

N2 - The tribological behavior of carbon-zinc oxide composite coatings (CZnO) grown on silicon substrates using an atmospheric pressure plasma jet method was evaluated by using a reciprocating pin-on-disk tribo-tester. The substrates were slid against a stainless steel ball with a diameter of 1mm under a normal load of 20mN. The corresponding Hertzian contact pressure was 250MPa. The results showed that the frictional behavior and the wear resistance of the ZnO coating could be significantly improved with the addition of carbon. The improvements were attributed to higher hardness and Young's modulus of the CZnO coating compared to those of the ZnO coating as well as to production of a smooth carbon-rich layer on the wear track. The concentration of carbon and the amount of sp3 bonds in the carbon phase varied with deposition temperature and affected the frictional behavior. The lowest friction coefficient of 0.16 was achieved at deposition temperature of 250°C.

AB - The tribological behavior of carbon-zinc oxide composite coatings (CZnO) grown on silicon substrates using an atmospheric pressure plasma jet method was evaluated by using a reciprocating pin-on-disk tribo-tester. The substrates were slid against a stainless steel ball with a diameter of 1mm under a normal load of 20mN. The corresponding Hertzian contact pressure was 250MPa. The results showed that the frictional behavior and the wear resistance of the ZnO coating could be significantly improved with the addition of carbon. The improvements were attributed to higher hardness and Young's modulus of the CZnO coating compared to those of the ZnO coating as well as to production of a smooth carbon-rich layer on the wear track. The concentration of carbon and the amount of sp3 bonds in the carbon phase varied with deposition temperature and affected the frictional behavior. The lowest friction coefficient of 0.16 was achieved at deposition temperature of 250°C.

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DO - 10.1016/j.compscitech.2013.01.005

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VL - 77

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JO - Composites Science and Technology

JF - Composites Science and Technology

ER -

Frictional behavior of atmospheric plasma jet deposited carbon-ZnO composite coatings

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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