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Graphene - MoS2 ensembles to reduce friction and wear in DLC-Steel contacts

Journal Article · · Carbon
 [1];  [2];  [1];  [1]
  1. Argonne National Lab. (ANL), Argonne, IL (United States)
  2. Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Illinois at Chicago, Chicago, IL (United States)

Recent demonstration of two dimensional (2D) solid lubricant materials to minimize friction to unmeasurable levels (superlubricity) and reduce wear at macroscale propelled further research investigations in the direction of exploring their potential in industrially relevant material combinations such as steel and diamond-like-carbon (DLC) in sliding contact. In this study, we have used a combination of 2D materials i. e. Graphene and MoS2 as a solid lubricant to reduce friction and wear in steel-hydrogenated DLC contacts even at high contact pressures and sliding speed. Sliding friction tests conducted under dry nitrogen conditions shows a reduction of friction and wear by 16 and 29 times, respectively as compared to Steel vs H-DLC (baseline) experiments and friction and wear by a factor of 43 and 434, respectively, compared to self-mated steel vs steel experiments. In conclusion, optical and Raman investigations of the material pairs and the wear debris analysis in TEM indicated the formation of amorphous carbon mixed graphene layers at the sliding interface leading to such dramatic reductions in friction and wear.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); USDOE Office of Fossil Energy (FE)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1527022
Alternate ID(s):
OSTI ID: 1635870
Journal Information:
Carbon, Journal Name: Carbon Journal Issue: C Vol. 146; ISSN 0008-6223
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (6)

Novel Carbon Nanoparticles Derived from Biodiesel Soot as Lubricant Additives journal August 2019
Black Phosphorus–Graphene Oxide Hybrid Nanomaterials toward Advanced Lubricating Properties under Water journal September 2019
Iron‐Nanoparticle Driven Tribochemistry Leading to Superlubric Sliding Interfaces journal September 2019
In‐situ formation and intercalation of carbon dots induced high‐yield 1T‐molybdenum disulfide as electrode materials journal December 2019
Superlubricity in rolling/sliding contacts journal September 2019
Rolling Contact Performance of a Ti-Containing MoS2 Coating Operating Under Ambient, Vacuum, and Oil-Lubricated Conditions journal November 2019

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