A thermokinetic model of friction in molybdenum disulfide (MoS<sub>2</sub>)

ORAL

Abstract

Molybdenum disulfide (MoS2) is a lamellar compound with a long history of use as a solid lubricant due to its ability to significantly reduce friction. The compound’s lamellar structure, with weak inter-lamellar bonding, can result in both commensurate and incommensurate contacts that significantly affect the sliding properties of MoS2, and directly affect the friction. We present results of detailed molecular dynamics calculations of energy barriers to sliding and rotation, and discuss how these barriers relate to macroscopic friction coefficients.

*Sandia National Laboratories is a multi-mission laboratory managed and operated by National Technology and Engineering Solutions of Sandia, LLC., a wholly owned subsidiary of Honeywell International, Inc., for the U.S. Department of Energy’s National Nuclear Security Administration under contract DE-NA00

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Presenters

  • Adam Hinkle

    • Sandia National Laboratories

Authors

  • Adam Hinkle

    • Sandia National Laboratories

  • John Curry

    • Sandia National Laboratories

  • Brendan Nation

    • Sandia National Laboratories

  • Minh Pham

    • Sandia National Laboratories

  • Nicolas Argibay

    • Sandia National Laboratories

  • Michael Chandross

    • Computational Materials and Data Science, Sandia National Laboratories
    • Sandia National Laboratories