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Binder assisted graphene derivatives as lubricants in copper: Improved tribological performance for industrial application

Huang, Changjie, 1998 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Zhao, Su (author)
ABB
Chen, Ruiqi, 1997 (author)
Chalmers tekniska högskola,Chalmers University of Technology
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Johansson, Erik (author)
ABB
Aqeel, Muhammad (author)
Chalmers tekniska högskola,Chalmers University of Technology
Klement, Uta, 1962 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Andersson, Anna M. (author)
ABB
Taher, Mamoun (author)
Palermo, Vincenzo, 1972 (author)
Consiglo Nazionale Delle Richerche,Chalmers tekniska högskola,Chalmers University of Technology
Sun, Jinhua, 1987 (author)
Chalmers tekniska högskola,Chalmers University of Technology
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 (creator_code:org_t)
2024
2024
English.
In: iScience. - 2589-0042. ; 27:4
Related links:
https://research.cha... (primary) (free)
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • 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.

Subject headings

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)

Keyword

Materials chemistry
Materials application

Publication and Content Type

art (subject category)
ref (subject category)

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