Frictional behavior between silicon and steel coated with graphene oxide in dry sliding and water lubrication conditions

Hae Jin Kim, Dong Gap Shin, Dae Eun Kim

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

With growing concern over environmental problems, green technologies associated with reducing pollution have been rapidly progressing to attain a sustainable future. Among numerous green technologies currently under development, water lubrication technology that can replace the use of conventional oil lubricants can be a promising technology that may lead to huge benefits with respect to environmental and economic issues. In this work, good-lubricating performance was achieved by using reduced graphene oxide (rGO) coating on AISI 440C stainless steel (SS) ball that was slid against a silicon (Si) specimen under water lubrication condition. Compared to the sliding tests performed in dry condition, the friction coefficient of the rGO coated SS ball slid against the Si specimen under water lubrication condition could be reduced by 12 times. Also, it was shown that friction coefficient of the uncoated SS ball slid against the Si specimen in water and dry conditions were relatively higher than that of the sliding test conducted with the rGO coated SS ball in water lubrication. The experimental results demonstrated that the rGO coating on SS can effectively lower the friction in water lubrication conditions. This work are expected to aid in the development of environmental-friendly lubrication technology for mechanical components.

Original languageEnglish
Pages (from-to)91-97
Number of pages7
JournalInternational Journal of Precision Engineering and Manufacturing - Green Technology
Volume3
Issue number1
DOIs
Publication statusPublished - 2016 Jan 1

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Graphite
Steel
Silicon
Stainless Steel
Oxides
Graphene
Lubrication
Stainless steel
Water
Environmental technology
Friction
Coatings
Lubricants
Oils
Pollution
Economics

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Management of Technology and Innovation

Cite this

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abstract = "With growing concern over environmental problems, green technologies associated with reducing pollution have been rapidly progressing to attain a sustainable future. Among numerous green technologies currently under development, water lubrication technology that can replace the use of conventional oil lubricants can be a promising technology that may lead to huge benefits with respect to environmental and economic issues. In this work, good-lubricating performance was achieved by using reduced graphene oxide (rGO) coating on AISI 440C stainless steel (SS) ball that was slid against a silicon (Si) specimen under water lubrication condition. Compared to the sliding tests performed in dry condition, the friction coefficient of the rGO coated SS ball slid against the Si specimen under water lubrication condition could be reduced by 12 times. Also, it was shown that friction coefficient of the uncoated SS ball slid against the Si specimen in water and dry conditions were relatively higher than that of the sliding test conducted with the rGO coated SS ball in water lubrication. The experimental results demonstrated that the rGO coating on SS can effectively lower the friction in water lubrication conditions. This work are expected to aid in the development of environmental-friendly lubrication technology for mechanical components.",
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