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Binder assisted graphene derivatives as lubricants in copper: Improved tribological performance for industrial application
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- Huang, Changjie, 1998 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Zhao, Su (författare)
- ABB
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- Chen, Ruiqi, 1997 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Taher, Mamoun (författare)
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- (creator_code:org_t)
- 2024
- 2024
- Engelska.
- Ingår i: iScience. - 2589-0042. ; 27:4
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
Stäng
- Originally derived from graphite, high-quality single-layer graphene is an excellent anti-wear and -friction additive in metal matrix. Here, the tribological performance of 3 different commercialized graphene derivatives (e.g., graphene oxide [GO], reduced graphene oxide [RGO], and graphene nanoplatelet [GNP]) as additives in a Cu matrix, were investigated from an industrial perspective. To increase the interaction of graphene derivatives with Cu particles, and addressing the aggregation problem of the graphene derivatives, different binders (polyvinyl alcohol [PVA] and cellulose nanocrystals [CNC]) were introduced into the system. Benefiting from such a strategy, a uniform distribution of the graphene derivatives in Cu matrix was achieved with graphene loading up to 5 wt %. After high-temperature sintering, the graphene is preserved and well distributed in the Cu matrix. It was found that the GNP-containing sample shows the most stable friction coefficient behavior. However, GO and RGO also improve the tribological performance of Cu under different circumstances.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Tribologi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Tribology (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- Materials chemistry
- Materials application
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- Zhao, Su
- Chen, Ruiqi, 199 ...
- Johansson, Erik
- Aqeel, Muhammad
- Klement, Uta, 19 ...
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- TEKNIK OCH TEKNOLOGIER
- TEKNIK OCH TEKNO ...
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- NATURVETENSKAP
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