Wear resistant coatings for polymeric substrates deposited by atmospheric pressure plasma jet

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

Research output: Contribution to journalArticle

Abstract

Wear resistance and frictional behavior of InZnO thin coatings deposited on an acryl substrate using an atmospheric pressure plasma jet (APPJ) method was investigated by using a reciprocating pin-on-disk tribo-tester. The results showed that the wear and friction of the ZnO coatings could be significantly improved by doping with indium. The wear rate of the ZnO coating decreased from about 82 μm3/cycle to almost an undetectable amount when 2.2 at% indium was included in the coating. The friction coefficient of ZnO coating also decreased from 0.6 to 0.17 with inclusion of 2.2 at% indium. However, further increase in the indium content led to increase in the friction and wear of the coating. This outcome was attributed to the relatively high value of coating/substrate hardness ratio. Overall, APPJ method proved to be an effective method to deposit ZnO coatings with an optimum amount of indium concentration for wear protection of acryl substrates without compromising the optical transmittance of the coating.

Original languageEnglish
Pages (from-to)113-119
Number of pages7
JournalScience of Advanced Materials
Volume7
Issue number1
DOIs
Publication statusPublished - 2015 Jan 1

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Plasma jets
Atmospheric pressure
Wear of materials
Indium
Coatings
Substrates
Friction
Opacity
Wear resistance
Deposits
Hardness
Doping (additives)

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

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abstract = "Wear resistance and frictional behavior of InZnO thin coatings deposited on an acryl substrate using an atmospheric pressure plasma jet (APPJ) method was investigated by using a reciprocating pin-on-disk tribo-tester. The results showed that the wear and friction of the ZnO coatings could be significantly improved by doping with indium. The wear rate of the ZnO coating decreased from about 82 μm3/cycle to almost an undetectable amount when 2.2 at{\%} indium was included in the coating. The friction coefficient of ZnO coating also decreased from 0.6 to 0.17 with inclusion of 2.2 at{\%} indium. However, further increase in the indium content led to increase in the friction and wear of the coating. This outcome was attributed to the relatively high value of coating/substrate hardness ratio. Overall, APPJ method proved to be an effective method to deposit ZnO coatings with an optimum amount of indium concentration for wear protection of acryl substrates without compromising the optical transmittance of the coating.",
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Wear resistant coatings for polymeric substrates deposited by atmospheric pressure plasma jet. / Penkov, Oleksiy V.; Lee, Doo Hee; Kim, Dae Eun.

In: Science of Advanced Materials, Vol. 7, No. 1, 01.01.2015, p. 113-119.

Research output: Contribution to journalArticle

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